Page summary

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

Tested 2025-09-01 03:09:02 using Chrome 139.0.7258.127 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip CoachPageXrayCPU
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Summary

MetricValue
Page metrics
Performance Score69
Total Page Transfer Size2.3 MB
Requests116
Timing metrics
TTFB [median]505 ms
First Paint [median]1.452 s
Fully Loaded [median]3.977 s
Google Web Vitals
TTFB [median]505 ms
First Contentful Paint (FCP) [median]1.452 s
Largest Contentful Paint (LCP) [median]1.452 s
Cumulative Layout Shift (CLS) [median]0.03
Total Blocking Time [median]313 ms
Max Potential FID [median]175 ms
CPU metrics
CPU long tasks [median]5
CPU longest task duration486 ms
CPU last long task happens at3.644 s
Visual Metrics
First Visual Change [median]1.466 s
Speed Index [median]1.801 s
Visual Complete 85% [median]1.500 s
Visual Complete 99% [median]3.933 s
Last Visual Change [median]3.933 s
Screenshot of run 2

Timings Summary

Metricminmedianmeanmax
Visual Metrics
FirstVisualChange1.433 s1.466 s1.499 s1.666 s
LastVisualChange3.766 s3.933 s3.953 s4.266 s
SpeedIndex1.769 s1.801 s1.842 s2.054 s
LargestImage3.766 s3.800 s3.873 s4.233 s
Heading3.766 s3.800 s3.873 s4.233 s
LargestContentfulPaint3.766 s3.800 s3.873 s4.233 s
LastMeaningfulPaint3.766 s3.800 s3.873 s4.233 s
VisualReadiness2.300 s2.467 s2.453 s2.600 s
VisualComplete851.500 s1.500 s1.587 s1.933 s
VisualComplete953.766 s3.933 s3.953 s4.266 s
VisualComplete993.766 s3.933 s3.953 s4.266 s
Google Web Vitals
Time To First Byte (TTFB)487 ms505 ms549 ms761 ms
Largest Contentful Paint (LCP)1.448 s1.452 s1.493 s1.656 s
First Contentful Paint (FCP)1.448 s1.452 s1.493 s1.656 s
Cumulative Layout Shift (CLS)0.03470.03470.03470.0347
More metrics
firstPaint1.448 s1.452 s1.493 s1.656 s
loadEventEnd2.968 s2.986 s3.288 s4.432 s
User Timing
mwStartup1.451 s1.484 s1.510 s1.655 s
mwCentralNoticeBanner3.583 s3.676 s3.742 s4.066 s
CPU
Total Blocking Time291 ms313 ms338 ms462 ms
Max Potential FID169 ms175 ms175 ms183 ms
CPU long tasks 5569
CPU last long task happens at3.591 s3.644 s3.733 s4.070 s
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Waterfall

Run 2 SpeedIndex median

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Video

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| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
1 sCPU Long Task duration 464 ms
1.5 sFirst Contentful Paint 1.448 sLCP <P> 1.448 smwStartup 1.451 sFirst Visual Change 1.466 sDOM Content Loaded Time 1.467 sVisual Complete 85% 1.500 s
1.6 s
1.8 s
3.1 sPage Load Time 3.083 s
3.3 sCPU Long Task duration 177 ms
3.5 sCPU Long Task duration 118 msLayout Shift 0.00293 3.473 s
3.6 sLayout Shift 0.00000 3.524 sCPU Long Task duration 69 ms
3.7 smwCentralNoticeBanner 3.676 s
3.8 sLayout Shift 0.03122 3.703 sLayout Shift 0.00055 3.725 sCPU Long Task duration 127 msLargest Image 3.766 sHeading 3.766 s
3.9 s
4 sLast Visual Change 3.933 sVisual Complete 95% 3.933 sVisual Complete 99% 3.933 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 8.1.3.

I am the coach

Coach score

Performance advice (69)

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 6 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.40
    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
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/71/Flag_of_the_United_Sta...Colors%29.svg.png
  • 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/f/f3/January_2025_Official_...t_of_JD_Vance.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Map_of_USA_with_state_...itory_names_2.png
    • 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 9 CPU long tasks with the total of 1.117 s. The total blocking time is 462 ms and 1 long task before first contentful paint with total time of 255 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
  • unknown
  • unknown
  • unknown
  • unknown
  • self
  • unknown
  • self
  • self
    • Avoid doing redirects (assetsRedirects)The page has 2 redirects. 1 of the redirects are from the base domain, please fix them! 1 request are from other domains, it could be 3rd-party assets doing unnecessary redirects. :(80
    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&usesul3=1&urlversion=2
  • https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
    • Avoid extra requests by setting cache headers (cacheHeaders)The page has 85 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 1.6 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/7/71/Flag_of_the_United_Sta...Colors%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/3...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/2...e_Neutral.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/20px-Increase2.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Decrease_Positive.svg/..._Positive.svg.png
  • 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/b/b3/Emigrants_%28i.e._immi...Island_-.webm.jpg
  • 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/f/f3/US_SlaveFree1858.gif/2...SlaveFree1858.gif
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Trinity_shot_color_%28...x3_cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Civil_Rights_March_on_...NARA_-_542010.jpg
  • 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/25...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/8/8b/Capitol_Washington_Oct...ctober_2016-1.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/1/16/Official_Presidential_...mp_%282025%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/January_2025_Official_...t_of_JD_Vance.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/United_States_%28%2Bov...28zoom%29.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Indian_Reservations.pn..._Reservations.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/5/59/US_state_Legislature_a...r_Control.svg.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/3/3d/The_New_York_City_Skyl...yline_at_Dusk.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Gaming-Wall-Street_BTS...Prodigium-266.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Aerial_view_of_Silicon...ilicon_Valley.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/41/A_Man_on_the_Moon%2C_A...%28cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/45intoI-10_2.jpg/250px-45intoI-10_2.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Atlanta_Hartsfield-Jac...%28cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Languages_cp-02.svg/25...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/6/65/Hempstead%2C_Manhasset...tle_Neck_bays.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/250px-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/0/00/Delhomme_goes_deep.jpg...mme_goes_deep.jpg
  • 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://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/20px-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/8/8a/OOjs_UI_icon_edit-ltr-progr...ogressive.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/20px-Commons-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/40px...news-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/20p...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://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script&usesul3=1&urlversion=2
  • 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://upload.wikimedia.org/wikipedia/commons/d/d4/Button_hide.png
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
  • https://upload.wikimedia.org/wikipedia/foundation/2/20/CloseWindow19x19.png
  • https://upload.wikimedia.org/wikipedia/commons/6/6f/WLM_Logo_Deutschland_(Typo_rechts).svg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/WLM-Banner-Bg-2017.jpg...anner-Bg-2017.jpg
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
    • 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 1.6 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 390.2 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 21.0 KB63.0 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 20.8 KB70.8 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 291.9 KB1.3 MB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 24.6 KB116.7 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 2.5 KB5.2 KB
    https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn 1.4 KB254 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 24.5 kB (24464) 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 23.9 KB184.9 KB
    Total page size shouldn't be too big (pageSize)The page total transfer size is 2.4 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 298.0 KB1.6 MB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 23.9 KB184.9 KB
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022 21.0 KB63.0 KB
    https://en.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022 3.1 KB6.6 KB
    https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg 3.4 KB6.0 KB
    https://en.wikipedia.org/static/images/icons/wikipedia.png 14.0 KB13.1 KB
    https://en.wikipedia.org/static/images/mobile/copyright/wikipedia-tagline-en.svg 4.1 KB9.2 KB
    https://upload.wikimedia.org/wikipedia/en/thumb/8/8c/Extended-protection-shackle...n-shackle.svg.png 1.3 KB306 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/7/71/Flag_of_the_United_Sta...Colors%29.svg.png 2.8 KB1.7 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Greater_coat_of_arms_o...ed_States.svg.png 19.6 KB18.5 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/d/dc/USA_orthographic.svg/2...hographic.svg.png 21.4 KB20.3 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/US_insular_areas.svg/3...lar_areas.svg.png 14.8 KB13.8 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/NOAA_Map_of_the_US_EEZ...he_US_EEZ.svg.png 26.2 KB25.1 KB
    https://upload.wikimedia.org/wikipedia/commons/thumb/7/74/Increase_Neutral.svg/2...e_Neutral.svg.png 1.2 KB140 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/20px-Increase2.svg.png 1.1 KB120 B
    https://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Decrease_Positive.svg/..._Positive.svg.png 1.2 KB120 B
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 1.2 KB704 B
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 1006 B221 B
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 1006 B268 B
    https://en.wikipedia.org/w/skins/Vector/resources/skins.vector.styles/images/arr...n-progressive.svg 932 B217 B
    https://en.wikipedia.org/w/extensions/WikimediaBadges/resources/images/badge-silver-star.png?70a8c 889 B161 B
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    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&usesul3=1&urlversion=2
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn

    • Best practice advice (88)

    TitleAdviceScore
    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 1547 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 25 responses that sets both a max-age and expires header. There are 116 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:
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  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Gaming-Wall-Street_BTS...Prodigium-266.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Aerial_view_of_Silicon...ilicon_Valley.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/41/A_Man_on_the_Moon%2C_A...%28cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/45intoI-10_2.jpg/250px-45intoI-10_2.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Atlanta_Hartsfield-Jac...%28cropped%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Languages_cp-02.svg/25...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/6/65/Hempstead%2C_Manhasset...tle_Neck_bays.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/250px-Liberty02.jpg
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  • 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
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  • 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://upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg
  • 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/20px-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/8/8a/OOjs_UI_icon_edit-ltr-progr...ogressive.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/20px-Commons-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/40px...news-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/20p...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://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&usesul3=1&urlversion=2
  • 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://upload.wikimedia.org/wikipedia/commons/d/d4/Button_hide.png
  • https://en.wikipedia.org/w/extensions/ImageMap/resources/desc-20.png?15600
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
  • 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/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/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/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://upload.wikimedia.org/wikipedia/foundation/2/20/CloseWindow19x19.png
  • https://upload.wikimedia.org/wikipedia/commons/6/6f/WLM_Logo_Deutschland_(Typo_rechts).svg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/WLM-Banner-Bg-2017.jpg...anner-Bg-2017.jpg
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
  • 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 1.45.0-wmf.16
    Width1904
    Height60593
    DOM elements19080
    Avg DOM depth15
    Max DOM depth32
    Iframes0
    Script tags5
    Local storage1.3 MB
    Session storage0 b
    Network Information API3g
    Resource Hints
    dns-prefetch
    https://meta.wikimedia.org/
    https://en.wikipedia.org/wiki/auth.wikimedia.org
    preconnect
    https://upload.wikimedia.org/

    Technologies used to build the page.

    Data collected using Wappalyzer version 6.10.54. With updated code from Webappanalyzer 2024-12-27. Use --browsertime.firefox.includeResponseBodies htmlor --browsertime.chrome.includeResponseBodies htmlto help Wappalyzer find more information about technologies used.

    TechnologyConfidenceCategory
    MediaWiki 100  Wikis
    PHP 100  Programming languages
    Apache Traffic Server 9.2.11100  Web servers
    HSTS 100  Security
    | Browser metrics | Visual Metrics | Largest Contentful Paint | Cumulative Layout Shift | Long Aninimation Frames | Visual Elements | Server timings | 

    Data from run 2

    Visual Metrics

    Visual Metrics
    First Visual Change1.466 s
    Speed Index1.801 s
    Largest Image3.766 s
    Heading3.766 s
    LargestContentfulPaint3.766 s
    Last Meaningful Paint3.766 s
    Largest Contentful Paint3.766 s
    Visual Complete 85%1.500 s
    Visual Complete 95%3.933 s
    Visual Complete 99%3.933 s
    Last Visual Change3.933 s
    Visual Readiness2.467 s

    Browser Metrics

    Navigation Timing
    backEndTime505 ms
    domContentLoadedTime1.467 s
    domInteractiveTime1.467 s
    domainLookupTime106 ms
    frontEndTime2.190 s
    pageDownloadTime388 ms
    pageLoadTime3.083 s
    redirectionTime0 ms
    serverConnectionTime200 ms
    serverResponseTime582 ms
    Google Web Vitals
    Time to first byte (TTFB)505 ms
    First Contentful Paint (FCP)1.448 s
    Largest Contentful Paint (LCP)1.448 s
    Cumulative Layout Shift (CLS)0.03
    Total Blocking Time (TBT)291 ms
    First Contentful Paint info
    Elements that needed recalculate style before FCP17515
    Time spent in recalculate style before FCP238.261 ms
    Extra timings
    TTFB505 ms
    First Paint1.448 s
    Load Event End3.083 s
    Fully loaded4.046 s
    User Timing marks
    mwStartup1.451 s
    mwCentralNoticeBanner3.676 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 1.448 s
    Element render delay943 ms
    TTFB505 ms
    Resource delay0 ms
    Resource load duration0 ms
    Elements that needed recalculate style before LCP17515
    Time spent in recalculate style before LCP238.261 ms
    Load time0 ms
    Size (width*height)301670
    DOM path
    div:eq(1) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > p:eq(2)> div:eq(1) > 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

    0.03470 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
    0.03122<div class="vector-column-start"></div>,<div class="mw-content-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;">,<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:eq(1) > div > div:eq(1),body > div:eq(1) > div > div:eq(2),body > div:eq(1) > 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,body > div:eq(1) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > table:eq(0) > tbody > tr:eq(6) > td > span > span > span > img
    0.00293<div class="mw-indicators"></div>,<tr></tr>,<tr class="mergedbottomrow"></tr>
    body > div:eq(1) > div > div:eq(2) > main#content > div#bodyContent > div:eq(0) > div:eq(0),body > div:eq(1) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > table:eq(0) > tbody > tr:eq(5),body > div:eq(1) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > table:eq(0) > tbody > tr:eq(6)
    0.00055<label class="cdx-label cdx-radio__label" for="skin-client-pref-vector-feature-custom-font-size-value-1"></label>,<label class="cdx-label cdx-radio__label" for="skin-client-pref-vector-feature-custom-font-size-value-2"></label>,<div class="mw-portlet mw-portlet-skin-client-prefs-skin-theme vector-menu" id="skin-client-prefs-skin-theme"></div>,<div class="mw-portlet mw-portlet-skin-client-prefs-vector-feature-limited-width vector-menu" id="skin-client-prefs-vector-feature-limited-width"></div>,<::before></::before>
    body > div:eq(1) > div > div:eq(2) > main#content > div:eq(1) > div > nav:eq(1) > div#vector-appearance-pinned-container > div#vector-appearance > div#skin-client-prefs-vector-feature-custom-font-size > div:eq(1) > ul > li > div > form > div:eq(1) > label,body > div:eq(1) > div > div:eq(2) > main#content > div:eq(1) > div > nav:eq(1) > div#vector-appearance-pinned-container > div#vector-appearance > div#skin-client-prefs-vector-feature-custom-font-size > div:eq(1) > ul > li > div > form > div:eq(2) > label,body > div:eq(1) > div > div:eq(2) > main#content > div:eq(1) > div > nav:eq(1) > div#vector-appearance-pinned-container > div#vector-appearance > div#skin-client-prefs-skin-theme,body > div:eq(1) > div > div:eq(2) > main#content > div:eq(1) > div > nav:eq(1) > div#vector-appearance-pinned-container > div#vector-appearance > div#skin-client-prefs-vector-feature-limited-width,body > div:eq(1) > div > div:eq(2) > main#content > div:eq(1) > div > nav:eq(1) > div#vector-appearance-pinned-container > div#vector-appearance > div#skin-client-prefs-skin-theme > div:eq(1) > ul > li > div > form > div:eq(2) > span > ::before
    0.00000<span class="vector-icon mw-ui-icon-wikimedia-expand"></span>,<span class="vector-icon mw-ui-icon-wikimedia-expand"></span>,<span class="vector-icon mw-ui-icon-wikimedia-expand"></span>,<span class="vector-icon mw-ui-icon-wikimedia-expand"></span>,<span class="vector-icon mw-ui-icon-wikimedia-expand"></span>
    body > div:eq(1) > div > div:eq(1) > div:eq(1) > nav#mw-panel-toc > div#vector-toc-pinned-container > div#vector-toc > ul#mw-panel-toc-list > li#toc-History > button > span:eq(0),body > div:eq(1) > div > div:eq(1) > div:eq(1) > nav#mw-panel-toc > div#vector-toc-pinned-container > div#vector-toc > ul#mw-panel-toc-list > li#toc-Geography > button > span:eq(0),body > div:eq(1) > div > div:eq(1) > div:eq(1) > nav#mw-panel-toc > div#vector-toc-pinned-container > div#vector-toc > ul#mw-panel-toc-list > li#toc-Government_and_politics > button > span:eq(0),body > div:eq(1) > div > div:eq(1) > div:eq(1) > nav#mw-panel-toc > div#vector-toc-pinned-container > div#vector-toc > ul#mw-panel-toc-list > li#toc-Economy > button > span:eq(0),body > div:eq(1) > div > div:eq(1) > div:eq(1) > nav#mw-panel-toc > div#vector-toc-pinned-container > div#vector-toc > ul#mw-panel-toc-list > li#toc-Demographics > button > span:eq(0)
    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
    403 ms425.4 ms434.3 ms0 ms434.3 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    239.3 ms255 ms111.8 ms106.7 ms5.1 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: 4314

    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%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.quicksurveys.init%2Clib%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Coojs-ui%2Coojs-ui-core%2Coojs-ui-toolbars%2Coojs-ui-widgets%2Coojs-ui-windows%2Csite%7Cjquery.client%2CmakeCollapsible%2Cspinner%2CtextSelection%7Cjquery.spinner.styles%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%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-core.icons%2Cstyles%7Coojs-ui-toolbars.icons%7Coojs-ui-widgets.icons%7Coojs-ui-windows.icons%7Coojs-ui.styles.indicators%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022&skin=vector-2022&version=17ar9

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 344167

    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%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.quicksurveys.init%2Clib%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Coojs-ui%2Coojs-ui-core%2Coojs-ui-toolbars%2Coojs-ui-widgets%2Coojs-ui-windows%2Csite%7Cjquery.client%2CmakeCollapsible%2Cspinner%2CtextSelection%7Cjquery.spinner.styles%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%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-core.icons%2Cstyles%7Coojs-ui-toolbars.icons%7Coojs-ui-widgets.icons%7Coojs-ui-windows.icons%7Coojs-ui.styles.indicators%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022&skin=vector-2022&version=17ar9

    Forced Style And Layout Duration: 21 ms

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 344167

    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%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.quicksurveys.init%2Clib%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Coojs-ui%2Coojs-ui-core%2Coojs-ui-toolbars%2Coojs-ui-widgets%2Coojs-ui-windows%2Csite%7Cjquery.client%2CmakeCollapsible%2Cspinner%2CtextSelection%7Cjquery.spinner.styles%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%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-core.icons%2Cstyles%7Coojs-ui-toolbars.icons%7Coojs-ui-widgets.icons%7Coojs-ui-windows.icons%7Coojs-ui.styles.indicators%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022&skin=vector-2022&version=17ar9

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 344167

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

    Forced Style And Layout Duration: 17 ms

    Invoker:  FrameRequestCallback
    Invoker Type: user-callback
    Source Function Name:  flushCssBuffer
    Window attribution: self
    Source char position: 3240

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    77.5 ms25 ms124.5 ms103.7 ms20.8 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    37.9 ms41.2 ms65.1 ms65.1 ms0 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%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.quicksurveys.init%2Clib%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Coojs-ui%2Coojs-ui-core%2Coojs-ui-toolbars%2Coojs-ui-widgets%2Coojs-ui-windows%2Csite%7Cjquery.client%2CmakeCollapsible%2Cspinner%2CtextSelection%7Cjquery.spinner.styles%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%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-core.icons%2Cstyles%7Coojs-ui-toolbars.icons%7Coojs-ui-widgets.icons%7Coojs-ui-windows.icons%7Coojs-ui.styles.indicators%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022&skin=vector-2022&version=17ar9

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 344167

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    13.8 ms40.3 ms23.8 ms11.5 ms12.3 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: 4314

    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: 3240

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    0 ms24.9 ms44.6 ms32.4 ms12.2 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: 3240

    Server timings

    namedurationdescription
    cache0hit-front
    host0cp3070

    Custom metrics collected through JavaScript

    There are no custom configured scripts.

    Extra metrics collected using scripting

    There are no custom extra metrics from scripting.

    Visual Elements

    NameDisplay TimeX YWidthHeight
    LargestImage (250px-USA_orthographic.svg.png)3.766 s 1146 655 250 250
    <img alt="Orthographic map of the U.S. in North America" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/USA_orthographic.svg/250px-USA_orthographic.svg.png" decoding="async" width="250" height="250" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/USA_orthographic.svg/500px-USA_orthographic.svg.png 1.5x" data-file-width="551" data-file-height="551">
    Heading3.766 s 478 174 789 40
    <h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
    LargestContentfulPaint3.766 s 478 585 948 494
    <p></p>
    | Summary  | Largest responses  | Requests and sizes per content type  | Data per domain | Expires and last modified statistics  | Requests loaded after onLoad event  | Render blocking requests  | 

    PageXray

    How the page is built.

    Summary
    HTTP versionHTTP/2.0
    Total requests116
    Total domains5
    Total transfer size2.3 MB
    Total content size4.9 MB
    Responses missing compression14
    Number of cookies24
    Third party cookies0
    Requests per response code
    200114
    3022

    Largest assets on the page (by transfer size)

    URLTypeTransfer SizeContent Size
    https://en.wikipedia...iki/United_Stateshtml298.0 KB1.6 MB
    https://en.wikipedia...ia.org/w/load.phpjavascript291.9 KB1.3 MB
    https://upload.wikim...itory_names_2.pngimage213.8 KB212.8 KB
    https://upload.wikim...e_Types_US_50.pngimage201.6 KB200.7 KB
    https://upload.wikim..._Acquisitions.pngimage88.4 KB87.3 KB
    https://upload.wikim...paintedrelief.pngimage60.3 KB59.5 KB
    https://upload.wikim...ce_map-en.svg.pngimage55.2 KB54.1 KB
    https://upload.wikim...28zoom%29.svg.pngimage40.3 KB39.4 KB
    https://upload.wikim...nter_vertical.jpgimage33.4 KB32.5 KB
    https://upload.wikim..._Street_Night.jpgimage30.3 KB29.4 KB
    https://upload.wikim...n_-_panoramio.jpgimage29.4 KB28.3 KB
    https://upload.wikim...%28cropped%29.jpgimage28.7 KB27.8 KB
    https://upload.wikim...-45intoI-10_2.jpgimage27.9 KB27.1 KB
    https://upload.wikim...anner-Bg-2017.jpgimage27.7 KB26.8 KB
    https://upload.wikim..._Reservations.pngimage27.3 KB26.5 KB
    https://upload.wikim...he_US_EEZ.svg.pngimage26.2 KB25.1 KB
    https://en.wikipedia...ia.org/w/load.phpjavascript24.6 KB116.7 KB
    https://upload.wikim...Prodigium-266.jpgimage24.4 KB23.5 KB
    https://upload.wikim...8285035892%29.jpgimage24.0 KB23.1 KB
    https://en.wikipedia...ia.org/w/load.phpcss23.9 KB184.9 KB

    Requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b298.0 KB1.6 MB1
    css0 b27.0 KB191.5 KB2
    javascript0 b381.0 KB1.6 MB8
    image0 b1.6 MB1.5 MB80
    svg0 b33.4 KB38.5 KB22
    favicon0 b1.7 KB2.7 KB1
    Total0 b2.3 MB4.9 MB114

    Data per domain

    DomainTotal download timeTransfer SizeContent SizeRequests
    en.wikipedia.org7.847 s744.5 KB3.4 MB32
    upload.wikimedia.org46.558 s1.5 MB1.5 MB81
    meta.wikimedia.org100 ms2.5 KB5.2 KB1
    auth.wikimedia.org324 msN/A0 b1
    login.wikimedia.org193 ms1.4 KB254 B1

    Expires and last modified statistics

    typeminmedianmax
    Expires0 seconds0 seconds1 year
    Last modified34 minutes31 weeks12 years

    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
    javascript360.0 KB7
    image867.3 KB50
    font0 b0
    svg21.8 KB16
    favicon1.7 KB1
    Total1.2 MB76

    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://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...ia.org/w/load.phpblocking
    https://en.wikipedia...ia.org/w/load.phpnon_blocking
    https://meta.wikimed...a.org/w/index.phpnon_blocking
    https://login.wikime...gin/checkLoggedInnon_blocking
    https://en.wikipedia...alAutoLogin/startnon_blocking
    https://auth.wikimed...gin/checkLoggedInnon_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 291
    Max Potential First Input Delay 177
    Long Tasks before First Paint1464
    Long Tasks before First Contentful Paint1464
    Long Tasks before Largest Contentful Paint1464
    Long Tasks after Load Event End4491
    Total Long Tasks5955

    CPU last long task happened at 3.762 s

    Individual Long Tasks

    namestartTimedurationcontainerIdcontainerNamecontainerSrccontainerType
    unknown934464window
    self3233177window
    self3413118window
    unknown357369window
    self3762127window

    CPU time spent

    Calculated using Tracium.

    Categories (ms)
    parseHTML83
    styleLayout912
    paintCompositeRender113
    scriptParseCompile3
    scriptEvaluation415
    garbageCollection15
    other725
    Events (ms)
    Layout467
    UpdateLayoutTree441
    FunctionCall375
    PrePaint340
    RunTask291
    Paint96
    ParseHTML79
    Layerize26
    v8.run16
    DocumentLoader::BodyLoadingFinished14
    HitTest12
    RunMicrotasks11
    CpuProfiler::StartProfiling11

    Time spent per request

    URLCPU time (ms)
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022437
    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%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.quicksurveys.init%2Clib%7Cext.scribunto.logs%7Cext.tmh.OgvJsSupport%2Cplayer%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Coojs-ui%2Coojs-ui-core%2Coojs-ui-toolbars%2Coojs-ui-widgets%2Coojs-ui-windows%2Csite%7Cjquery.client%2CmakeCollapsible%2Cspinner%2CtextSelection%7Cjquery.spinner.styles%7Cjquery.uls.data%7Cmediawiki.ForeignApi%2CString%2CTitle%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-core.icons%2Cstyles%7Coojs-ui-toolbars.icons%7Coojs-ui-widgets.icons%7Coojs-ui-windows.icons%7Coojs-ui.styles.indicators%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022&skin=vector-2022&version=17ar9294