Run 1 summary

https://en.wikipedia.org/wiki/United_States

Tested 2024-11-21 05:35:01 using Chrome 131.0.6778.69 (runtime settings).

Back to summary
SummaryWaterfall MetricsVideoFilmstrip CoachPageXrayCPU Screenshots

Summary

MetricValue
Page metrics
Performance score71
Total page size3.8 MB
Requests102
Timing metrics
TTFB490 ms
First Paint1.422 s
Fully Loaded4.636 s
Google Web Vitals
TTFB490 ms
First Contentful Paint (FCP) 1.422 s
Largest Contentful Paint (LCP) 1.422 s
Cumulative Layout Shift (CLS) 0.16
Total Blocking Time789 ms
Max Potential FID423 ms
CPU metrics
CPU long tasks6
CPU last long task happens at11.461 s
Visual Metrics
First Visual Change1.433 s
Speed Index3.424 s
Visual Complete 85%11.866 s
Visual Complete 99%14.433 s
Last Visual Change14.833 s
Screenshot
Download videoDownload timelineDownload Console Logs
| Waterfall | | Download HAR | 

Waterfall

Download HARCompare
| Video | Download | 

Video

Download video
| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
0.9 sCPU Long Task duration 473 ms
1.5 sFirst Contentful Paint 1.422 sLCP <P> 1.422 sFirst Visual Change 1.433 smwStartup 1.439 sDOM Content Loaded Time 1.480 s
1.6 s
1.7 s
3.4 sCPU Long Task duration 118 ms
3.5 sCPU Long Task duration 73 ms
3.6 s
3.7 sCPU Long Task duration 117 ms
3.8 smwCentralNoticeBanner 3.780 s
3.9 sCPU Long Task duration 423 ms
4.3 s
4.4 s
4.5 s
4.6 sPage Load Time 4.528 s
4.7 sFully Loaded 4.636 s
9.8 s
9.9 s
11.5 sCPU Long Task duration 308 ms
11.8 sLayout Shift 0.05146 11.787 s
11.9 sLayout Shift 0.00778 11.816 sLayout Shift 0.02618 11.857 sVisual Complete 85% 11.866 sLayout Shift 0.01523 11.892 s
12 sLayout Shift 0.00646 11.913 sLayout Shift 0.01067 11.936 sLayout Shift 0.00437 11.965 sLayout Shift 0.00419 11.984 s
12.1 sLayout Shift 0.00663 12.006 sLayout Shift 0.00284 12.033 sLayout Shift 0.00515 12.060 sLayout Shift 0.00214 12.080 s
12.2 sLayout Shift 0.00377 12.106 sLayout Shift 0.00188 12.133 sLayout Shift 0.00292 12.156 sLayout Shift 0.00055 12.180 sLayout Shift 0.00228 12.200 s
12.3 sLayout Shift 0.00056 12.218 sLayout Shift 0.00163 12.269 s
12.4 s
12.5 sLargest Image 12.500 sHeading 12.500 s
12.6 s
12.7 s
12.8 sVisual Complete 95% 12.766 s
12.9 s
13 s
13.1 s
13.2 s
13.3 s
13.4 s
13.5 s
13.6 s
13.7 s
13.8 s
13.9 s
14 s
14.1 s
14.2 s
14.3 s
14.4 s
14.5 sVisual Complete 99% 14.433 s
14.6 s
14.7 s
14.8 s
14.9 sLast Visual Change 14.833 s
| Performance advice | Best practice advice | Privacy advice | Page info | Technologies | 

Coach

The coach helps you find performance problems on your web page using web performance best practice rules. And gives you advice on privacy and best practices. Tested using Coach-core version 8.0.2.

I am the coach

Coach score

Performance advice (71)

TitleAdviceScore
Avoid slowing down the critical rendering path (avoidRenderBlocking)The page has 2 blocking requests and 0 in body parser blocking (0 JavaScript and 2 CSS). There are 1 potentially render blocking requests. You need to verify if it is render blocking: https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-202299
Description: The critical rendering path is what the browser needs to do to start rendering the page. Every file requested inside of the head element will postpone the rendering of the page, because the browser need to do the request. Avoid loading JavaScript synchronously inside of the head (you should not need JavaScript to render the page), request files from the same domain as the main document (to avoid DNS lookups) and inline CSS for really fast rendering and a short rendering path.
Offenders:
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
    • Don't scale images in the browser (avoidScalingImages)The page has 2 images that are scaled more than 100 pixels. It would be better if those images are sent so the browser don't need to scale them.80
    Description: It's easy to scale images in the browser and make sure they look good in different devices, however that is bad for performance! Scaling images in the browser takes extra CPU time and will hurt performance on mobile. And the user will download extra kilobytes (sometimes megabytes) of data that could be avoided. Don't do that, make sure you create multiple version of the same image server-side and serve the appropriate one.
    Offenders:
  • https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg
  • https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en.svg
    • Inline CSS for faster first render (inlineCss)The page has both inline CSS and CSS requests even though it uses a HTTP/2-ish connection. If you have many users on slow connections, it can be better to only inline the CSS. Run your own tests and check the waterfall graph to see what happens.95
    Description: In the early days of the Internet, inlining CSS was one of the ugliest things you can do. That has changed if you want your page to start rendering fast for your user. Always inline the critical CSS when you use HTTP/1 and HTTP/2 (avoid doing CSS requests that block rendering) and lazy load and cache the rest of the CSS. It is a little more complicated when using HTTP/2. Does your server support HTTP push? Then maybe that can help. Do you have a lot of users on a slow connection and are serving large chunks of HTML? Then it could be better to use the inline technique, becasue some servers always prioritize HTML content over CSS so the user needs to download the HTML first, before the CSS is downloaded.
    Avoid CPU Long Tasks (longTasks)The page has 6 CPU long tasks with the total of 1.512 s. The total blocking time is 789 ms and 1 long task before first contentful paint with total time of 473 ms. However the CPU Long Task is depending on the computer/phones actual CPU speed, so you should measure this on the same type of the device that your user is using. Use Geckoprofiler for Firefox or Chromes tracelog to debug your long tasks.0
    Description: Long CPU tasks locks the thread. To the user this is commonly visible as a "locked up" page where the browser is unable to respond to user input; this is a major source of bad user experience on the web today. However the CPU Long Task is depending on the computer/phones actual CPU speed, so you should measure this on the same type of the device that your user is using. To debug you should use the Chrome timeline log and drag/drop it into devtools or use Firefox Geckoprofiler.
    Offenders:
  • unknown
  • self
  • unknown
  • self
  • self
  • self
    • Avoid doing redirects (assetsRedirects)The page has 1 redirect. 1 of the redirects are from the base domain, please fix them! 90
    Description: A redirect is one extra step for the user to download the asset. Avoid that if you want to be fast. Redirects are even more of a showstopper on mobile.
    Offenders:
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script
    • Avoid extra requests by setting cache headers (cacheHeaders)The page has 78 requests that are missing a cache time. Configure a cache time so the browser doesn't need to download them every time. It will save 3.2 MB the next access.0
    Description: The easiest way to make your page fast is to avoid doing requests to the server. Setting a cache header on your server response will tell the browser that it doesn't need to download the asset again during the configured cache time! Always try to set a cache time if the content doesn't change for every request.
    Offenders:
  • https://upload.wikimedia.org/wikipedia/en/thumb/8/8c/Extended-protection-shackle...n-shackle.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Flag_of_the_United_Sta...andard%29.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Greater_coat_of_arms_o...ed_States.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/dc/USA_orthographic.svg/2...hographic.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/US_insular_areas.svg/2...lar_areas.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/NOAA_Map_of_the_US_EEZ...he_US_EEZ.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/74/Increase_Neutral.svg/1...e_Neutral.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/11px-Increase2.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Increase_Negative.svg/..._Negative.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Emigrants_%28i.e._immi...Island_-.webm.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Extreme_Makeover%2C_Me...n_-_panoramio.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Nouvelle-France_map-en...ce_map-en.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Declaration_of_Indepen...John_Trumbull.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/U.S._Territorial_Acqui..._Acquisitions.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/US_map_1864_Civil_War_...divisions.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/TrinityDetonation1945G...nation1945GIF.gif
  • https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Reagan_and_Gorbachev_s...achev_signing.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Explosion_following_th...29_-_B6019~11.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/2021_storming_of_the_U...8retouched%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/50/Uspaintedrelief.png/22...paintedrelief.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Grand_Canyon_%28529314...2931490880%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/K%C3%B6ppen_Climate_Ty...e_Types_US_50.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/db/Bald_eagle_about_to_fl...ka_%282016%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/US_Capitol_west_side.J...tol_west_side.JPG
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/White_House_lawn_%28lo...ly_cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Panorama_of_United_Sta...lding_at_Dusk.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/US_state_Legislature_a...r_Control.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Map_of_USA_with_state_...itory_names_2.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/67%C2%BA_Per%C3%ADodo_...8020913157%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Aerial_view_of_the_Pen...8285035892%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Washington_DC%2C_FBI_-...I_-_panoramio.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/US_one_dollar_bill%2C_...C_series_2009.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Aerial_Microsoft_West_...s_August_2009.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Gaming-Wall-Street_BTS...Prodigium-266.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/Buzz_salutes_the_U.S._....S._Flag-crop.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Atlanta_Hartsfield-Jac...%28cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/45intoI-10_2.jpg/220px-45intoI-10_2.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Languages_cp-02.svg/22...ges_cp-02.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Border_USA_Mexico.jpg/...er_USA_Mexico.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Luchtfoto_van_Lower_Ma...wer_Manhattan.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Los_Angeles_with_Mount...h_Mount_Baldy.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Chicago_Skyline_2022_1...kyline_2022_1.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Dallas_view.jpg/120px-Dallas_view.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Texas_medical_center.j...edical_center.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/University-of-Virginia...ginia-Rotunda.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Liberty02.jpg/170px-Liberty02.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Mark_Twain_by_AF_Bradl...by_AF_Bradley.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Comcastcenter_vertical...nter_vertical.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Broadway_Theaters_45th..._Street_Night.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Grant_Wood_-_American_...e_Art_Project.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Country_music_hall_of_...hall_of_fame2.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Carolina_Herrera_AW14_...rrera_AW14_12.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Hollywood_Sign_%28Zusc...8Zuschnitt%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/2019-11-28_14_46_15_A_...2C_New_Jersey.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Commanders_vs._Jaguars...2379056543%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Definition_of_Free_Cul...go_notext.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Gnome-globe.svg/16px-Gnome-globe.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Openstreetmap_logo.svg...tmap_logo.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.s...ed_States.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/North_America_%28ortho...ection%29.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/P_countries-vector.svg...es-vector.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/14px-Commons-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/21px...news-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/16p...uote-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017....logo_2017.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Wikivoyage-Logo-v3-ico...o-v3-icon.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progr...ogressive.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/f/f2/Treeview-grey-line.png
  • https://upload.wikimedia.org/wikipedia/commons/4/4d/Icon_pdf_file.png
  • https://upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg
  • https://upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg
  • https://upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/WMA_button2b.png/17px-WMA_button2b.png
  • https://upload.wikimedia.org/wikipedia/commons/b/b5/Button_resize.png
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn?wikiid=enwiki&type=script
  • https://upload.wikimedia.org/wikipedia/commons/d/d4/Button_hide.png
    • Long cache headers is good (cacheHeadersLong)The page has 3 requests that have a shorter cache time than 30 days (but still a cache time).97
    Description: Setting a cache header is good. Setting a long cache header (at least 30 days) is even better beacause then it will stay long in the browser cache. But what do you do if that asset change? Rename it and the browser will pick up the new version.
    Offenders:
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022
  • https://en.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022
    • Total image size shouldn't be too big (imageSize)The page total image size is 3.1 MB. It's really big. Is the page using the right format for the images? Can they be lazy loaded? Are they compressed as good as they can be? Make them smaller by using https://imageoptim.com/.50
    Description: Avoid having too many large images on the page. The images will not affect the first paint of the page, but it will eat bandwidth for the user.
    Total JavaScript size shouldn't be too big (javascriptSize)The total JavaScript transfer size is 454.5 kB and the uncompressed size is 1.7 MB. This is totally crazy! There is really room for improvement here. 0
    Description: A lot of JavaScript often means you are downloading more than you need. How complex is the page and what can the user do on the page? Do you use multiple JavaScript frameworks?
    Offenders:
    URLTransfer sizeContent size
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022 20.4 KB61.5 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 16.2 KB42.8 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 17.1 KB58.1 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 204.9 KB810.8 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 25.1 KB121.3 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 2.7 KB14.8 KB
    https://meta.wikimedia.org/w/index.php...a.org/w/index.php 82.2 KB321.4 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 74.1 KB236.0 KB
    https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn?wikiid=enwiki&type=script 1.2 KB252 B
    Make each CSS response small (optimalCssSize)https://en.wikipedia.org/w/load.php?lang=en&modules=ext.cite.styles%7Cext.imagemap.styles%7Cext.tmh.player.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022 size is 23.6 kB (23628) and that is bigger than the limit of 14.5 kB. Try to make the CSS files fit into 14.5 KB.90
    Description: Make CSS responses small to fit into the magic number TCP window size of 14.5 KB. The browser can then download the CSS faster and that will make the page start rendering earlier.
    Offenders:
    URLTransfer sizeContent size
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 23.1 KB179.4 KB
    Total page size shouldn't be too big (pageSize)The page total transfer size is 4 MB, which is more than the coach limit of 2 MB. That is really big and you need to make it smaller.0
    Description: Avoid having pages that have a transfer size over the wire of more than 2 MB (desktop) and 1 MB (mobile) because that is really big and will hurt performance and will make the page expensive for the user if she/he pays for the bandwidth.
    Offenders:
    URLTransfer sizeContent size
    https://en.wikipedia.org/wiki/United_States 279.0 KB1.5 MB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 23.1 KB179.4 KB
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022 20.4 KB61.5 KB
    https://en.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022 3.0 KB7.2 KB
    https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg 3.3 KB6.0 KB
    https://en.wikipedia.org/static/images/icons/wikipedia.png 13.8 KB13.1 KB
    https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en.svg 3.9 KB9.2 KB
    https://upload.wikimedia.org/wikipedia/en/thumb/8/8c/Extended-protection-shackle...n-shackle.svg.png 1.2 KB306 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Flag_of_the_United_Sta...andard%29.svg.png 2.2 KB1.4 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Greater_coat_of_arms_o...ed_States.svg.png 14.9 KB14.0 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/d/dc/USA_orthographic.svg/2...hographic.svg.png 35.7 KB34.8 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/US_insular_areas.svg/2...lar_areas.svg.png 18.7 KB17.9 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/NOAA_Map_of_the_US_EEZ...he_US_EEZ.svg.png 18.4 KB17.6 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/7/74/Increase_Neutral.svg/1...e_Neutral.svg.png 968 B90 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/11px-Increase2.svg.png 962 B90 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Increase_Negative.svg/..._Negative.svg.png 959 B80 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Emigrants_%28i.e._immi...Island_-.webm.jpg 9.8 KB8.9 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Extreme_Makeover%2C_Me...n_-_panoramio.jpg 25.3 KB24.4 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Nouvelle-France_map-en...ce_map-en.svg.png 19.0 KB18.2 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Declaration_of_Indepen...John_Trumbull.jpg 11.9 KB11.0 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/U.S._Territorial_Acqui..._Acquisitions.png 57.9 KB57.0 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/US_map_1864_Civil_War_...divisions.svg.png 9.4 KB8.6 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/TrinityDetonation1945G...nation1945GIF.gif 2.1 MB2.0 MB
    https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Reagan_and_Gorbachev_s...achev_signing.jpg 9.3 KB8.4 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Explosion_following_th...29_-_B6019~11.jpg 9.1 KB8.2 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/2021_storming_of_the_U...8retouched%29.jpg 16.4 KB15.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/50/Uspaintedrelief.png/22...paintedrelief.png 37.4 KB36.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Grand_Canyon_%28529314...2931490880%29.jpg 19.4 KB18.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/K%C3%B6ppen_Climate_Ty...e_Types_US_50.png 54.2 KB53.3 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/d/db/Bald_eagle_about_to_fl...ka_%282016%29.jpg 11.0 KB10.1 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/US_Capitol_west_side.J...tol_west_side.JPG 12.1 KB11.3 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/White_House_lawn_%28lo...ly_cropped%29.jpg 10.1 KB9.2 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Panorama_of_United_Sta...lding_at_Dusk.jpg 6.6 KB5.7 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/US_state_Legislature_a...r_Control.svg.png 18.6 KB17.7 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Map_of_USA_with_state_...itory_names_2.png 143.8 KB142.8 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/67%C2%BA_Per%C3%ADodo_...8020913157%29.jpg 10.3 KB9.3 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Aerial_view_of_the_Pen...8285035892%29.jpg 19.0 KB18.0 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Washington_DC%2C_FBI_-...I_-_panoramio.jpg 11.5 KB10.6 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/US_one_dollar_bill%2C_...C_series_2009.jpg 12.3 KB11.4 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Aerial_Microsoft_West_...s_August_2009.jpg 20.4 KB19.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Gaming-Wall-Street_BTS...Prodigium-266.jpg 19.4 KB18.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/Buzz_salutes_the_U.S._....S._Flag-crop.jpg 12.3 KB11.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Atlanta_Hartsfield-Jac...%28cropped%29.jpg 18.5 KB17.6 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/45intoI-10_2.jpg/220px-45intoI-10_2.jpg 23.0 KB22.2 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Languages_cp-02.svg/22...ges_cp-02.svg.png 14.2 KB13.3 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Border_USA_Mexico.jpg/...er_USA_Mexico.jpg 18.3 KB17.4 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Luchtfoto_van_Lower_Ma...wer_Manhattan.jpg 5.7 KB4.9 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Los_Angeles_with_Mount...h_Mount_Baldy.jpg 4.4 KB3.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Chicago_Skyline_2022_1...kyline_2022_1.jpg 5.9 KB5.1 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Dallas_view.jpg/120px-Dallas_view.jpg 6.2 KB5.4 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Texas_medical_center.j...edical_center.jpg 10.5 KB9.6 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/University-of-Virginia...ginia-Rotunda.jpg 14.6 KB13.8 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Liberty02.jpg/170px-Liberty02.jpg 14.0 KB13.1 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Mark_Twain_by_AF_Bradl...by_AF_Bradley.jpg 9.9 KB9.0 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Comcastcenter_vertical...nter_vertical.jpg 15.6 KB14.8 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Broadway_Theaters_45th..._Street_Night.jpg 17.9 KB17.1 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Grant_Wood_-_American_...e_Art_Project.jpg 12.8 KB11.9 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Country_music_hall_of_...hall_of_fame2.jpg 10.9 KB10.0 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Carolina_Herrera_AW14_...rrera_AW14_12.jpg 10.2 KB9.4 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Hollywood_Sign_%28Zusc...8Zuschnitt%29.jpg 10.9 KB10.1 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/2019-11-28_14_46_15_A_...2C_New_Jersey.jpg 18.3 KB17.3 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Commanders_vs._Jaguars...2379056543%29.jpg 19.7 KB18.8 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Definition_of_Free_Cul...go_notext.svg.png 1.4 KB516 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Gnome-globe.svg/16px-Gnome-globe.svg.png 1.6 KB758 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Openstreetmap_logo.svg...tmap_logo.svg.png 1.7 KB846 B
    https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.s...ed_States.svg.png 1.1 KB260 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/North_America_%28ortho...ection%29.svg.png 1.6 KB728 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/P_countries-vector.svg...es-vector.svg.png 1.7 KB838 B
    https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/14px-Commons-logo.svg.png 1.3 KB432 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/21px...news-logo.svg.png 1.5 KB660 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/16p...uote-logo.svg.png 1.4 KB584 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017....logo_2017.svg.png 1.2 KB298 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Wikivoyage-Logo-v3-ico...o-v3-icon.svg.png 1.2 KB304 B
    https://upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progr...ogressive.svg.png 1.1 KB178 B
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 1005 B221 B
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 1005 B268 B
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 1.2 KB704 B
    https://en.wikipedia.org/w/skins/Vector/resources/skins.vector.styles/images/arr...n-progressive.svg 949 B217 B
    https://en.wikipedia.org/w/extensions/WikimediaBadges/resources/images/badge-silver-star.png?70a8c 914 B161 B
    https://upload.wikimedia.org/wikipedia/commons/f/f2/Treeview-grey-line.png 1.1 KB216 B
    https://en.wikipedia.org/w/resources/src/mediawiki.skinning/images/magnify-clip-ltr.svg?8330e 1002 B305 B
    https://en.wikipedia.org/w/skins/Vector/resources/skins.vector.styles/images/lin...r-progressive.svg 1020 B298 B
    https://upload.wikimedia.org/wikipedia/commons/4/4d/Icon_pdf_file.png 1.1 KB225 B
    https://upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg 1.2 KB432 B
    https://upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg 1.2 KB516 B
    https://upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg 1.7 KB2.1 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 16.2 KB42.8 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 17.1 KB58.1 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 204.9 KB810.8 KB
    https://en.wikipedia.org/static/images/project-logos/enwiki.png 8.5 KB7.8 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 25.1 KB121.3 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 2.7 KB14.8 KB
    https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script N/A0 b
    https://meta.wikimedia.org/w/index.php...a.org/w/index.php 82.2 KB321.4 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 74.1 KB236.0 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/WMA_button2b.png/17px-WMA_button2b.png 1.8 KB976 B
    https://upload.wikimedia.org/wikipedia/commons/b/b5/Button_resize.png 1.2 KB337 B
    https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn?wikiid=enwiki&type=script 1.2 KB252 B
    https://upload.wikimedia.org/wikipedia/commons/d/d4/Button_hide.png 1.1 KB285 B
    https://en.wikipedia.org/w/extensions/ImageMap/resources/desc-20.png?15600 1.8 KB1.1 KB
    https://en.wikipedia.org/beacon/impression...beacon/impression 546 B0 b
    https://en.wikipedia.org/static/favicon/wikipedia.ico 1.7 KB2.7 KB
    Don't use private headers on static content (privateAssets)The page has 4 requests with private headers. The main page has a private header. It could be right in some cases where the user can be logged in and served specific content. But if your asset is static it should never be private. Make sure that the assets really should be private and only used by one user. Otherwise, make it cacheable for everyone.70
    Description: If you set private headers on content, that means that the content are specific for that user. Static content should be able to be cached and used by everyone. Avoid setting the cache header to private.
    Offenders:
  • https://en.wikipedia.org/wiki/United_States
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn?wikiid=enwiki&type=script

    • Best practice advice (80)

    TitleAdviceScore
    Cumulative Layout Shift (cumulativeLayoutShift)You have a cumulative layout shift score (0.1567) that needs improvements. It is in the Google Web Vitals needs improvement range, shift higher than 0.1. You should manually check the filmstrip or video and check if it will affect the user.50
    Description: Cumulative Layout Shift measures the sum total of all individual layout shift scores for unexpected layout shift that occur. The metric is measuring visual stability by quantify how often users experience unexpected layout shifts. It is one of Google Web Vitals.
    Meta description (metaDescription)The page is missing a meta description.0
    Description: Use a page description to make the page more relevant to search engines.
    Do not send too long headers (longHeaders)https://en.wikipedia...ia.org/w/load.php has a header sourcemap that is 1273 characters long. 99
    Description: Do not send response headers that are too long.
    Offenders:
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
    • Avoid unnecessary headers (unnecessaryHeaders)There are 17 responses that sets both a max-age and expires header. There are 102 responses that sets a server header. 0
    Description: Do not send headers that you don't need. We look for p3p, cache-control and max-age, pragma, server and x-frame-options headers. Have a look at Andrew Betts - Headers for Hackers talk as a guide https://www.youtube.com/watch?v=k92ZbrY815c or read https://www.fastly.com/blog/headers-we-dont-want.
    Offenders:
  • https://en.wikipedia.org/wiki/United_States
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022
  • https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022
  • https://en.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022
  • https://en.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022
  • https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg
  • https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg
  • https://en.wikipedia.org/static/images/icons/wikipedia.png
  • https://en.wikipedia.org/static/images/icons/wikipedia.png
  • https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en.svg
  • https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en.svg
  • https://upload.wikimedia.org/wikipedia/en/thumb/8/8c/Extended-protection-shackle...n-shackle.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Flag_of_the_United_Sta...andard%29.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Greater_coat_of_arms_o...ed_States.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/dc/USA_orthographic.svg/2...hographic.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/US_insular_areas.svg/2...lar_areas.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/NOAA_Map_of_the_US_EEZ...he_US_EEZ.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/74/Increase_Neutral.svg/1...e_Neutral.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/11px-Increase2.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Increase_Negative.svg/..._Negative.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Emigrants_%28i.e._immi...Island_-.webm.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Extreme_Makeover%2C_Me...n_-_panoramio.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Nouvelle-France_map-en...ce_map-en.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Declaration_of_Indepen...John_Trumbull.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/U.S._Territorial_Acqui..._Acquisitions.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/US_map_1864_Civil_War_...divisions.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/TrinityDetonation1945G...nation1945GIF.gif
  • https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Reagan_and_Gorbachev_s...achev_signing.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Explosion_following_th...29_-_B6019~11.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/2021_storming_of_the_U...8retouched%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/50/Uspaintedrelief.png/22...paintedrelief.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Grand_Canyon_%28529314...2931490880%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/K%C3%B6ppen_Climate_Ty...e_Types_US_50.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/db/Bald_eagle_about_to_fl...ka_%282016%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/US_Capitol_west_side.J...tol_west_side.JPG
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/White_House_lawn_%28lo...ly_cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Panorama_of_United_Sta...lding_at_Dusk.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/US_state_Legislature_a...r_Control.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Map_of_USA_with_state_...itory_names_2.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/67%C2%BA_Per%C3%ADodo_...8020913157%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Aerial_view_of_the_Pen...8285035892%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Washington_DC%2C_FBI_-...I_-_panoramio.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/US_one_dollar_bill%2C_...C_series_2009.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Aerial_Microsoft_West_...s_August_2009.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Gaming-Wall-Street_BTS...Prodigium-266.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/Buzz_salutes_the_U.S._....S._Flag-crop.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Atlanta_Hartsfield-Jac...%28cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/45intoI-10_2.jpg/220px-45intoI-10_2.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Languages_cp-02.svg/22...ges_cp-02.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Border_USA_Mexico.jpg/...er_USA_Mexico.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Luchtfoto_van_Lower_Ma...wer_Manhattan.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Los_Angeles_with_Mount...h_Mount_Baldy.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Chicago_Skyline_2022_1...kyline_2022_1.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Dallas_view.jpg/120px-Dallas_view.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Texas_medical_center.j...edical_center.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/University-of-Virginia...ginia-Rotunda.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Liberty02.jpg/170px-Liberty02.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Mark_Twain_by_AF_Bradl...by_AF_Bradley.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Comcastcenter_vertical...nter_vertical.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Broadway_Theaters_45th..._Street_Night.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Grant_Wood_-_American_...e_Art_Project.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Country_music_hall_of_...hall_of_fame2.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Carolina_Herrera_AW14_...rrera_AW14_12.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Hollywood_Sign_%28Zusc...8Zuschnitt%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/2019-11-28_14_46_15_A_...2C_New_Jersey.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Commanders_vs._Jaguars...2379056543%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Definition_of_Free_Cul...go_notext.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Gnome-globe.svg/16px-Gnome-globe.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Openstreetmap_logo.svg...tmap_logo.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.s...ed_States.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/North_America_%28ortho...ection%29.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/P_countries-vector.svg...es-vector.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/14px-Commons-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/21px...news-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/16p...uote-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017....logo_2017.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Wikivoyage-Logo-v3-ico...o-v3-icon.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progr...ogressive.svg.png
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/skins/Vector/resources/skins.vector.styles/images/arr...n-progressive.svg
  • https://en.wikipedia.org/w/extensions/WikimediaBadges/resources/images/badge-silver-star.png?70a8c
  • https://upload.wikimedia.org/wikipedia/commons/f/f2/Treeview-grey-line.png
  • https://en.wikipedia.org/w/resources/src/mediawiki.skinning/images/magnify-clip-ltr.svg?8330e
  • https://en.wikipedia.org/w/skins/Vector/resources/skins.vector.styles/images/lin...r-progressive.svg
  • https://upload.wikimedia.org/wikipedia/commons/4/4d/Icon_pdf_file.png
  • https://upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg
  • https://upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg
  • https://upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/static/images/project-logos/enwiki.png
  • https://en.wikipedia.org/static/images/project-logos/enwiki.png
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/WMA_button2b.png/17px-WMA_button2b.png
  • https://upload.wikimedia.org/wikipedia/commons/b/b5/Button_resize.png
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn?wikiid=enwiki&type=script
  • https://upload.wikimedia.org/wikipedia/commons/d/d4/Button_hide.png
  • https://en.wikipedia.org/w/extensions/ImageMap/resources/desc-20.png?15600
  • https://en.wikipedia.org/beacon/impression...beacon/impression
  • https://en.wikipedia.org/static/favicon/wikipedia.ico
  • https://en.wikipedia.org/static/favicon/wikipedia.ico

    • Privacy advice (88)

    TitleAdviceScore
    Use a good Content-Security-Policy header to make sure you you avoid Cross Site Scripting (XSS) attacks. (contentSecurityPolicyHeader)Set a Content-Security-Policy header to make sure you are not open for Cross Site Scripting (XSS) attacks. You can start with setting a Content-Security-Policy-Report-Only header, that will only report the violation, not stop the download.0
    Description: Content Security Policy is delivered via a HTTP response header, and defines approved sources of content that the browser may load. It can be an effective countermeasure to Cross Site Scripting (XSS) attacks and is also widely supported and usually easily deployed. https://scotthelme.co.uk/content-security-policy-an-introduction/.
    Offenders:
  • https://en.wikipedia.org/wiki/United_States
    • Set a referrer-policy header to make sure you do not leak user information. (referrerPolicyHeader)Set a referrer-policy header to make sure you do not leak user information.0
    Description: Referrer Policy is a new header that allows a site to control how much information the browser includes with navigations away from a document and should be set by all sites. https://scotthelme.co.uk/a-new-security-header-referrer-policy/.
    Offenders:
  • https://en.wikipedia.org/wiki/United_States

    • Page info

    Page info
    TitleUnited States - Wikipedia
    GeneratorMediaWiki 1.44.0-wmf.3
    Width1904
    Height55382
    DOM elements18164
    Avg DOM depth15
    Max DOM depth32
    Iframes0
    Script tags6
    Local storage1.0 MB
    Session storage0 b
    Network Information API3g
    Resource Hints
    dns-prefetch
    https://meta.wikimedia.org/
    https://login.wikimedia.org/
    preconnect
    https://upload.wikimedia.org/

    Technologies used to build the page.

    Data collected using Wappalyzerversion 6.10.66.  Use --browsertime.firefox.includeResponseBodies htmlor --browsertime.chrome.includeResponseBodies htmlto help Wappalyser find more information about technologies used.

    TechnologyConfidenceCategory
    MediaWiki 100  Wikis
    PHP 100  Programming languages
    Apache Traffic Server 9.2.5100  Web servers
    HSTS 100  Security
    | Browser metrics | Visual Metrics | Largest Contentful Paint | Cumulative Layout Shift | Long Aninimation Frames | Visual Elements | Metrics from CDP | Server timings | 

    Visual Metrics

    Visual Metrics
    First Visual Change1.433 s
    Speed Index3.424 s
    Largest Image12.500 s
    Heading12.500 s
    LargestContentfulPaint0 ms
    Last Meaningful Paint12.500 s
    Visual Complete 85%11.866 s
    Visual Complete 95%12.766 s
    Visual Complete 99%14.433 s
    Last Visual Change14.833 s
    Visual Readiness13.400 s

    Browser Metrics

    Navigation Timing
    backEndTime490 ms
    domContentLoadedTime1.480 s
    domInteractiveTime1.480 s
    domainLookupTime90 ms
    frontEndTime3.677 s
    pageDownloadTime361 ms
    pageLoadTime4.528 s
    redirectionTime0 ms
    serverConnectionTime202 ms
    serverResponseTime555 ms
    Google Web Vitals
    Time to first byte (TTFB)490 ms
    First Contentful Paint (FCP)1.422 s
    Largest Contentful Paint (LCP)1.422 s
    Cumulative Layout Shift (CLS)0.16
    Total Blocking Time (TBT)789 ms
    First Contentful Paint info
    Elements that needed recalculate style before FCP16223
    Time spent in recalculate style before FCP229.444 ms
    Extra timings
    TTFB490 ms
    First Paint1.422 s
    Load Event End4.528 s
    Fully loaded4.636 s
    User Timing marks
    mwStartup1.439 s
    mwCentralNoticeBanner3.780 s

    Largest Contentful Paint

    When in time the page main content is rendered (collected using the Largest Contentful Paint API). Read more about Largest Contentful Paint.

    Element typeP
    Element/tag<p></p>
    Render time 1.422 s
    Elements that needed recalculate style before LCP16223
    Time spent in recalculate style before LCP229.444 ms
    Load time0 ms
    Size (width*height)242736
    DOM path
    div:eq(2) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > p:eq(2)> div:eq(2) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > p:eq(2)>
    LCP

    The largest contentful paint is highlighted in the image. If no element is highlighted the element was removed before the screenshot or the LCP API couldn't find the element.

    Detected Cumulative Layout Shift

    0.15669 cumulative layout shift collected from the Cumulative Layout Shift API.

    These HTML elements contribute most to the Cumulative Layout Shifts of the page. The higher score, the more layout shift.

    ScoreHTML Element
    0.05146<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<span class="cdx-text-input__icon cdx-text-input__start-icon"></span>,<div class="mw-page-container"></div>,<img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/WMA_button2b.png/17px-WMA_button2b.png" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/WMA_button2b.png/17px-WMA_button2b.png 1x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/WMA_button2b.png/34px-WMA_button2b.png 2x" class="wmamapbutton noprint" title="Show location on an interactive map" alt="" style="padding: 0px 3px 0px 0px; cursor: pointer;">
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(1) > header > div:eq(1) > div#p-search > div > div > form#searchform > div#simpleSearch > div > span,body > div:eq(2),body > div:eq(2) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > table:eq(0) > tbody > tr:eq(5) > td > span > span > span > img
    0.02618<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<span class="cdx-text-input__icon cdx-text-input__start-icon"></span>,<div class="mw-page-container"></div>,<label style="display:inline-block"></label>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(1) > header > div:eq(1) > div#p-search > div > div > form#searchform > div#simpleSearch > div > span,body > div:eq(2),body > div:eq(2) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > table:eq(0) > tbody > tr:eq(4) > td > div > label:eq(0)
    0.01523<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<span class="cdx-text-input__icon cdx-text-input__start-icon"></span>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(1) > header > div:eq(1) > div#p-search > div > div > form#searchform > div#simpleSearch > div > span,body > div:eq(2)
    0.01067<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<span class="cdx-text-input__icon cdx-text-input__start-icon"></span>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(1) > header > div:eq(1) > div#p-search > div > div > form#searchform > div#simpleSearch > div > span,body > div:eq(2)
    0.00778<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00663<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00646<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00515<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00437<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00419<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00377<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00292<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00284<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00228<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00214<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00188<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00163<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header"></header>,<div class="mw-page-container"></div>
    body > div#wmde-banner-app,body > div:eq(1) > header,body > div:eq(2)
    0.00056<div id="wmde-banner-app" data-v-app=""></div>
    body > div#wmde-banner-app
    0.00055<div id="wmde-banner-app" data-v-app=""></div>
    body > div#wmde-banner-app
    Layout shift

    The elements that have shifted place is highlighted in the image (that have a higher value than 0.01). If the element shifted outside of the viewport, you will not see it there. It can be hard to understand what content that has shifted, if that's the case, checkout the video or the filmstrip of the run.

    Long Animation Frames

    Read more about the Long Animation Frames API here here.

    The top 10 longest animation frames entries

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    443 ms401.5 ms472.5 ms0 ms472.5 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    393 ms424.6 ms19.4 ms6.1 ms13.3 ms
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022

    Forced Style And Layout Duration: 333 ms

    Invoker:  IdleRequestCallback
    Invoker Type: user-callback
    Source Function Name:  doPropagation
    Window attribution: self
    Source char position: 4309

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    261 ms308.3 ms2.7 ms0 ms2.7 ms

    Forced Style And Layout Duration: 304 ms

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 162754

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    142 ms173.5 ms72.5 ms67.5 ms5 ms
    https://en.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2Cimagemap%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctoc%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.editfont.styles%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmmv.bootstrap%2Ccodex%7Cmw.cx.SiteMapper%7Coojs-ui.styles.icons-interactions%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.sidebar.tracking&skin=vector-2022&version=2ge4a

    Forced Style And Layout Duration: 19 ms

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 276112

    https://en.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2Cimagemap%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctoc%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.editfont.styles%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmmv.bootstrap%2Ccodex%7Cmw.cx.SiteMapper%7Coojs-ui.styles.icons-interactions%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.sidebar.tracking&skin=vector-2022&version=2ge4a

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 276112

    https://en.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2Cimagemap%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctoc%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.editfont.styles%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmmv.bootstrap%2Ccodex%7Cmw.cx.SiteMapper%7Coojs-ui.styles.icons-interactions%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.sidebar.tracking&skin=vector-2022&version=2ge4a

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 276112

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    70 ms8.5 ms117.5 ms87.3 ms30.2 ms
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022

    Invoker:  FrameRequestCallback
    Invoker Type: user-callback
    Source Function Name:  flushCssBuffer
    Window attribution: self
    Source char position: 3231

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    17 ms49.6 ms24.4 ms12.6 ms11.8 ms
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022

    Invoker:  IdleRequestCallback
    Invoker Type: user-callback
    Source Function Name:  doPropagation
    Window attribution: self
    Source char position: 4309

    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022

    Invoker:  FrameRequestCallback
    Invoker Type: user-callback
    Source Function Name:  flushCssBuffer
    Window attribution: self
    Source char position: 3231

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    7 ms26 ms44 ms27.4 ms16.6 ms
    https://en.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2Cimagemap%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctoc%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.editfont.styles%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmmv.bootstrap%2Ccodex%7Cmw.cx.SiteMapper%7Coojs-ui.styles.icons-interactions%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.sidebar.tracking&skin=vector-2022&version=2ge4a

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 276112

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    0 ms30.7 ms32.3 ms27.6 ms4.7 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    0 ms14.7 ms37.3 ms34.1 ms3.2 ms
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022

    Invoker:  IdleRequestCallback
    Invoker Type: user-callback
    Source Function Name:  doPropagation
    Window attribution: self
    Source char position: 4309

    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022

    Forced Style And Layout Duration: 8 ms

    Invoker:  FrameRequestCallback
    Invoker Type: user-callback
    Source Function Name:  flushCssBuffer
    Window attribution: self
    Source char position: 3231

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    0 ms7 ms43 ms17.1 ms25.9 ms
    No availible script information.

    Server timings

    namedurationdescription
    cache0hit-front
    host0cp3067

    Custom metrics collected through JavaScript

    There are no custom configured scripts.

    Extra metrics collected using scripting

    There are no custom extra metrics from scripting.

    CDP Performance

    namevalue
    AudioHandlers0
    AudioWorkletProcessors0
    Documents25
    Frames24
    JSEventListeners2477
    LayoutObjects30623
    MediaKeySessions0
    MediaKeys0
    Nodes37991
    Resources113
    ContextLifecycleStateObservers35
    V8PerContextDatas1
    WorkerGlobalScopes0
    UACSSResources9
    RTCPeerConnections0
    ResourceFetchers25
    AdSubframes0
    DetachedScriptStates2
    ArrayBufferContents0
    LayoutCount234
    RecalcStyleCount261
    LayoutDuration670
    RecalcStyleDuration1041
    DevToolsCommandDuration75
    ScriptDuration452
    V8CompileDuration12
    TaskDuration4009
    TaskOtherDuration1758
    ThreadTime5
    ProcessTime8
    JSHeapUsedSize12582916
    JSHeapTotalSize20066304
    FirstMeaningfulPaint1422

    Visual Elements

    NameDisplay TimeX YWidthHeight
    LargestImage (125px-Flag_of_the_United_States_%28DoS_ECA_Color_Standard%29.svg.png)12.500 s 1146 744 127 68
    <img alt="&nbsp;" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Flag_of_the_United_States_%28DoS_ECA_Color_Standard%29.svg/125px-Flag_of_the_United_States_%28DoS_ECA_Color_Standard%29.svg.png" decoding="async" width="125" height="66" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Flag_of_the_United_States_%28DoS_ECA_Color_Standard%29.svg/188px-Flag_of_the_United_States_%28DoS_ECA_Color_Standard%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Flag_of_the_United_States_%28DoS_ECA_Color_Standard%29.svg/250px-Flag_of_the_United_States_%28DoS_ECA_Color_Standard%29.svg.png 2x" data-file-width="1235" data-file-height="650">
    Heading12.500 s 478 445 787 40
    <h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
    LargestContentfulPaint 478 954 948 461
    <p></p>
    | Summary  | Largest responses  | Requests and sizes per content type  | Data per domain | Expires and last modified statistics  | Console log  | Requests loaded after onLoad event  | Render blocking requests  | 

    PageXray

    How the page is built.

    Summary
    HTTP versionHTTP/2.0
    Total requests102
    Total domains4
    Total transfer size3.8 MB
    Total content size6.3 MB
    Responses missing compression14
    Number of cookies2
    Third party cookies0
    Requests per response code
    200100
    2041
    3021

    Largest assets on the page (by transfer size)

    URLTypeTransfer SizeContent Size
    https://upload.wikim...nation1945GIF.gifimage2.1 MB2.0 MB
    https://en.wikipedia...iki/United_Stateshtml279.0 KB1.5 MB
    https://en.wikipedia...ia.org/w/load.phpjavascript204.9 KB810.8 KB
    https://upload.wikim...itory_names_2.pngimage143.8 KB142.8 KB
    https://meta.wikimed...a.org/w/index.phpjavascript82.2 KB321.4 KB
    https://en.wikipedia...ia.org/w/load.phpjavascript74.1 KB236.0 KB
    https://upload.wikim..._Acquisitions.pngimage57.9 KB57.0 KB
    https://upload.wikim...e_Types_US_50.pngimage54.2 KB53.3 KB
    https://upload.wikim...paintedrelief.pngimage37.4 KB36.5 KB
    https://upload.wikim...hographic.svg.pngimage35.7 KB34.8 KB
    https://upload.wikim...n_-_panoramio.jpgimage25.3 KB24.4 KB
    https://en.wikipedia...ia.org/w/load.phpjavascript25.1 KB121.3 KB
    https://en.wikipedia...ia.org/w/load.phpcss23.1 KB179.4 KB
    https://upload.wikim...-45intoI-10_2.jpgimage23.0 KB22.2 KB
    https://en.wikipedia...ia.org/w/load.phpjavascript20.4 KB61.5 KB
    https://upload.wikim...s_August_2009.jpgimage20.4 KB19.5 KB
    https://upload.wikim...2379056543%29.jpgimage19.7 KB18.8 KB
    https://upload.wikim...2931490880%29.jpgimage19.4 KB18.5 KB
    https://upload.wikim...Prodigium-266.jpgimage19.4 KB18.5 KB
    https://upload.wikim...ce_map-en.svg.pngimage19.0 KB18.2 KB

    Requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b279.0 KB1.5 MB1
    css0 b26.1 KB186.6 KB2
    javascript0 b443.9 KB1.6 MB9
    image0 b3.0 MB3.0 MB76
    svg0 b17.4 KB20.2 KB11
    plain0 b546 B0 b1
    favicon0 b1.7 KB2.7 KB1
    Total0 b3.8 MB6.3 MB101

    Data per domain

    DomainTotal download timeTransfer SizeContent SizeRequests
    en.wikipedia.org6.727 s706.1 KB3.0 MB25
    upload.wikimedia.org70.644 s3.0 MB2.9 MB75
    meta.wikimedia.org350 ms82.2 KB321.4 KB1
    login.wikimedia.org317 ms1.2 KB252 B1

    Expires and last modified statistics

    typeminmedianmax
    Expires0 seconds0 seconds1 year
    Last modified2 minutes47 weeks11 years

    Console log

    The page logs the following messages to the console.

    LevelMessage
    WARNING https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022 11:274 "This page is using the deprecated ResourceLoader module \"mediawiki.Uri\".\n[1.43] Please use browser native URL."
    SEVERE https://en.wikipedia.org/w/load.php?lang=en&modules=skins.vector.search.codex.scripts%7Cvue&skin=vector-2022&version=148qw 153 Error: <path> attribute transform: Expected transform function, "none".
    WARNING https://en.wikipedia.org/wiki/United_States - The resource https://en.wikipedia.org/static/images/project-logos/enwiki.png was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.

    Requests loaded after onLoad event

    Included requests done after load event end.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript0 b0
    image0 b0
    font0 b0
    favicon1.7 KB1
    Total1.7 KB1

    Requests loaded after onContentLoad

    Includes requests done after DOM content loaded.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript423.4 KB8
    image15.5 KB6
    font0 b0
    svg5.1 KB4
    plain546 B1
    favicon1.7 KB1
    Total446.3 KB21

    Render blocking requests

    Render blocking information directly from Chrome.

    BlockingIn body parser blockingPotentially blocking
    201

    Render information

    URLType
    https://en.wikipedia...ia.org/w/load.phpnon_blocking
    https://meta.wikimed...a.org/w/index.phpnon_blocking
    https://en.wikipedia...ia.org/w/load.phpnon_blocking
    https://en.wikipedia...ia.org/w/load.phpnon_blocking
    https://en.wikipedia...ia.org/w/load.phpblocking
    https://en.wikipedia...ia.org/w/load.phppotentially_blocking
    https://en.wikipedia...ia.org/w/load.phpnon_blocking
    https://en.wikipedia...ia.org/w/load.phpnon_blocking
    https://en.wikipedia...-logos/enwiki.pngnon_blocking
    https://en.wikipedia...ia.org/w/load.phpblocking
    https://en.wikipedia...ia.org/w/load.phpnon_blocking
    https://login.wikime...gin/checkLoggedInnon_blocking
    https://en.wikipedia...alAutoLogin/startnon_blocking
    CPU Long Tasks | CPU Time Spent | CPU Time Spent Per Request | 

    CPU

    Download the Chrome trace log and drag and drop it into Developer Tools / Performance in Chrome.

    Download trace log

    Long Tasks

    Collected using the Long Task API. A long task is a task that take 50 milliseconds or more.

    TypeQuantityTotal duration (ms)
    Total Blocking Time 789
    Max Potential First Input Delay 423
    Long Tasks before First Paint1473
    Long Tasks before First Contentful Paint1473
    Long Tasks before Largest Contentful Paint1473
    Long Tasks after Load Event End1308
    Total Long Tasks61512

    CPU last long task happened at 11.461 s

    Individual Long Tasks

    namestartTimedurationcontainerIdcontainerNamecontainerSrccontainerType
    unknown895473window
    self3360118window
    unknown348073window
    self3633117window
    self3814423window
    self11461308window

    CPU time spent

    Calculated using Tracium.

    Categories (ms)
    parseHTML96
    styleLayout1711
    paintCompositeRender389
    scriptParseCompile12
    scriptEvaluation452
    garbageCollection16
    other1290
    Events (ms)
    UpdateLayoutTree1039
    PrePaint686
    Layout668
    FunctionCall392
    RunTask362
    Paint288
    Layerize131
    ParseHTML91
    HitTest70
    IntersectionObserverController::computeIntersections30
    Commit26
    PaintImage23
    RunMicrotasks21
    v8.run18
    DocumentLoader::BodyLoadingFinished15
    CpuProfiler::StartProfiling13
    v8.compile12

    Time spent per request

    URLCPU time (ms)
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022503
    https://en.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2Cimagemap%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctoc%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.editfont.styles%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmmv.bootstrap%2Ccodex%7Cmw.cx.SiteMapper%7Coojs-ui.styles.icons-interactions%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.sidebar.tracking&skin=vector-2022&version=2ge4a235
    https://meta.wikimedia.org/w/index.php?title=Special:BannerLoader&campaign=C24_WMDE_Desktop_EN_04&banner=B24_WMDE_Desktop_EN_04_ctrl&uselang=en&debug=false24
    | afterPageCompleteCheck.jpg | layoutShift.jpg | largestContentfulPaint.jpg | 

    Screenshots

    afterPageCompleteCheck.jpg

    afterPageCompleteCheck.jpg

    layoutShift.jpg

    layoutShift.jpg

    largestContentfulPaint.jpg

    largestContentfulPaint.jpg