Page summary

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

Tested 2025-12-27 19:58:42 using Chrome 143.0.7499.109 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip CoachPageXrayCPU
| Summary | | Download Video | Download Timeline Log | Download HAR | Download Console Logs | 

Summary

MetricValue
Page metrics
Performance Score73
Total Page Transfer Size1.1 MB
Requests67
Timing metrics
TTFB [median]503 ms
First Paint [median]1.184 s
Fully Loaded [median]2.662 s
Google Web Vitals
TTFB [median]503 ms
First Contentful Paint (FCP) [median]1.184 s
Largest Contentful Paint (LCP) [median]1.184 s
Cumulative Layout Shift (CLS) [median]0.14
Interaction To Next Paint (INP) [median]672 ms
Total Blocking Time [median]354 ms
Max Potential FID [median]270 ms
CPU metrics
CPU long tasks [median]5
CPU longest task duration323 ms
CPU last long task happens at2.470 s
Visual Metrics
First Visual Change [median]1.166 s
Speed Index [median]1.630 s
Visual Complete 85% [median]2.600 s
Visual Complete 99% [median]5.866 s
Last Visual Change [median]6.000 s
Screenshot of run 5

Timings Summary

Metricminmedianmeanmax
Visual Metrics
FirstVisualChange1.166 s1.166 s1.173 s1.200 s
LastVisualChange6.000 s6.000 s6.013 s6.066 s
SpeedIndex1.627 s1.630 s1.636 s1.661 s
LargestImage2.600 s2.600 s2.613 s2.633 s
Heading2.600 s2.600 s2.613 s2.633 s
LargestContentfulPaint2.600 s2.600 s2.613 s2.633 s
LastMeaningfulPaint2.600 s2.600 s2.613 s2.633 s
VisualReadiness4.800 s4.834 s4.840 s4.900 s
VisualComplete852.600 s2.600 s2.613 s2.633 s
VisualComplete954.366 s4.366 s4.380 s4.400 s
VisualComplete995.833 s5.866 s5.880 s5.933 s
Google Web Vitals
Time To First Byte (TTFB)486 ms503 ms497 ms505 ms
Largest Contentful Paint (LCP)1.180 s1.184 s1.187 s1.196 s
First Contentful Paint (FCP)1.180 s1.184 s1.187 s1.196 s
Cumulative Layout Shift (CLS)0.13790.13790.13790.1379
More metrics
firstPaint1.180 s1.184 s1.187 s1.196 s
loadEventEnd2.148 s2.173 s2.173 s2.188 s
User Timing
mwStartup1.129 s1.148 s1.145 s1.151 s
mwCentralNoticeBanner1.971 s1.988 s1.993 s2.014 s
CPU
Total Blocking Time331 ms354 ms354 ms367 ms
Max Potential FID262 ms270 ms269 ms275 ms
CPU long tasks 5556
CPU last long task happens at2.431 s2.470 s2.464 s2.482 s
| Waterfall | | Download HAR | 

Waterfall

Run 5 SpeedIndex median

| Video | Download | 

Video

Download video
| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
0.8 sCPU Long Task duration 301 ms
1.2 smwStartup 1.129 sDOM Content Loaded Time 1.137 sFirst Visual Change 1.166 sFirst Contentful Paint 1.180 sLCP <P> 1.180 s
1.3 s
1.5 s
1.6 s
1.7 sLayout Shift 0.00000 1.678 sCPU Long Task duration 110 ms
1.8 s
1.9 s
2 sCPU Long Task duration 50 msmwCentralNoticeBanner 1.988 sCPU Long Task duration 75 ms
2.1 sLayout Shift 0.00055 2.064 s
2.2 sPage Load Time 2.147 sCPU Long Task duration 263 ms
2.3 s
2.4 s
2.5 sCPU Long Task duration 106 ms
2.6 sLayout Shift 0.13737 2.549 sVisual Complete 85% 2.600 sLargest Image 2.600 sHeading 2.600 s
2.7 sFully Loaded 2.653 s
2.8 s
2.9 s
3 s
3.1 s
3.2 s
3.3 s
3.4 s
3.5 s
3.6 s
3.7 s
3.8 s
3.9 s
4 s
4.1 s
4.2 s
4.3 s
4.4 sVisual Complete 95% 4.366 s
4.5 s
4.6 s
4.7 s
4.8 s
4.9 s
5 s
5.1 s
5.2 s
5.3 s
5.4 s
5.5 s
5.6 s
5.7 s
5.8 s
5.9 sVisual Complete 99% 5.866 s
6 sLast Visual Change 6.000 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 (73)

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 3 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.70
    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/5/5d/Population_pyramid_of_..._users_by_age.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 5 CPU long tasks with the total of 886 ms. The total blocking time is 363 ms and 1 long task before first contentful paint with total time of 323 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
  • 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?useformat=desktop&type=script&usesul3=1
  • Avoid extra requests by setting cache headers (cacheHeaders)The page has 37 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 495.8 kB 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/1/1b/Semi-protection-shackle.svg...n-shackle.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b9/2023_Facebook_icon.svg...book_icon.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Facebook_logo_%282023%...282023%29.svg.png
  • https://upload.wikimedia.org/wikipedia/en/6/64/Facebook_user_page.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/20px-Increase2.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Meta_Platforms_Inc._lo...ropped%29.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.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/thumb/f/fc/MarkZuckerberg-crop.jp...ckerberg-crop.jpg
  • https://upload.wikimedia.org/wikipedia/en/thumb/1/12/Original-facebook.jpg/250px...inal-facebook.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Facebook.svg/250px-Facebook.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Screen_of_Facebook_%28...ebook_%282%29.PNG
  • https://upload.wikimedia.org/wikipedia/commons/3/38/Facebook_Like_React.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Facebook_t-shirt_with_...d_for_Hackers.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Population_pyramid_of_..._users_by_age.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Facebook_censorship.sv...ensorship.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/PRISM_Collection_Detai...ction_Details.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/Onavo_logo.png/250px-Onavo_logo.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Hands_Off%21_protest%2...5%2C_2025-053.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Berlin_%289163009052%2...9163009052%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/Ad-tech_London_2010_%2..._2010_%285%29.JPG
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/2011_Egyptian_protests...26_jan25_card.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/SF_Pride_2014_-_Stierc...4_-_Stierch_7.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Industry5.svg/40px-Industry5.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Crystal_Clear_app_linn...ghborhood.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/40px...y-logo-v2.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/40p...uote-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/Scholia_logo.svg/40px-Scholia_logo.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progr...ogressive.svg.png
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=script&usesul3=1
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
  • https://upload.wikimedia.org/wikipedia/commons/b/be/Franziska_Heine.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 JavaScript size shouldn't be too big (javascriptSize)The total JavaScript transfer size is 385.1 kB and the uncompressed size is 1.4 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 21.2 KB63.7 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 7.8 KB22.4 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 17.7 KB60.4 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 208.8 KB833.6 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 24.9 KB118.9 KB
    https://en.wikipedia.org/w/load.php...ia.org/w/load.php 2.8 KB14.8 KB
    https://meta.wikimedia.org/w/index.php...a.org/w/index.php 33.7 KB109.0 KB
    https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn 1.4 KB254 B
    https://en.wikipedia.org/w/load.php?lang=en&modules=vue&skin=vector-2022&version=1hv35 57.8 KB156.2 KB
    Make each CSS response small (optimalCssSize)https://en.wikipedia.org/w/load.php?lang=en&modules=ext.chart.styles%7Cext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cmediawiki.page.gallery.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022 size is 24.1 kB (24100) 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 23.5 KB183.1 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/Facebook
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=script&usesul3=1
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
  • Best practice advice (80)

    TitleAdviceScore
    Cumulative Layout Shift (cumulativeLayoutShift)You have a cumulative layout shift score (0.1379) 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 1262 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 67 responses that sets a server header. 8
    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/Facebook
  • 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/1/1b/Semi-protection-shackle.svg...n-shackle.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b9/2023_Facebook_icon.svg...book_icon.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Facebook_logo_%282023%...282023%29.svg.png
  • https://upload.wikimedia.org/wikipedia/en/6/64/Facebook_user_page.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/20px-Increase2.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Meta_Platforms_Inc._lo...ropped%29.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/skins/Vector/resources/skins.vector.styles/images/arr...n-progressive.svg
  • https://en.wikipedia.org/w/skins/Vector/resources/skins.vector.styles/images/lin...r-progressive.svg
  • https://en.wikipedia.org/w/resources/src/mediawiki.skinning/images/magnify-clip-ltr.svg?8330e
  • https://upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.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/thumb/f/fc/MarkZuckerberg-crop.jp...ckerberg-crop.jpg
  • https://upload.wikimedia.org/wikipedia/en/thumb/1/12/Original-facebook.jpg/250px...inal-facebook.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Facebook.svg/250px-Facebook.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Screen_of_Facebook_%28...ebook_%282%29.PNG
  • https://upload.wikimedia.org/wikipedia/commons/3/38/Facebook_Like_React.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Facebook_t-shirt_with_...d_for_Hackers.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Population_pyramid_of_..._users_by_age.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Facebook_censorship.sv...ensorship.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/PRISM_Collection_Detai...ction_Details.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/Onavo_logo.png/250px-Onavo_logo.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Hands_Off%21_protest%2...5%2C_2025-053.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Berlin_%289163009052%2...9163009052%29.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/Ad-tech_London_2010_%2..._2010_%285%29.JPG
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/2011_Egyptian_protests...26_jan25_card.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/SF_Pride_2014_-_Stierc...4_-_Stierch_7.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Industry5.svg/40px-Industry5.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Crystal_Clear_app_linn...ghborhood.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/40px...y-logo-v2.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/40p...uote-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/3/32/Scholia_logo.svg/40px-Scholia_logo.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/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?useformat=desktop&type=script&usesul3=1
  • 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://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://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
  • https://en.wikipedia.org/w/load.php?lang=en&modules=vue&skin=vector-2022&version=1hv35
  • https://en.wikipedia.org/w/load.php?lang=en&modules=vue&skin=vector-2022&version=1hv35
  • https://en.wikipedia.org/beacon/impression...beacon/impression
  • https://upload.wikimedia.org/wikipedia/commons/b/be/Franziska_Heine.png
  • 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/Facebook
  • 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/Facebook
  • Page info

    Page info
    TitleFacebook - Wikipedia
    GeneratorMediaWiki 1.46.0-wmf.7
    Width1904
    Height46777
    DOM elements13792
    Avg DOM depth14
    Max DOM depth30
    Iframes0
    Script tags6
    Local storage962.9 KB
    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 | Interaction To Next Paint | Long Aninimation Frames | Visual Elements | Server timings | 

    Data from run 5

    Visual Metrics

    Browser Metrics

    Google Web Vitals
    Time to first byte (TTFB)486 ms
    First Contentful Paint (FCP)1.180 s
    Largest Contentful Paint (LCP)1.180 s
    Cumulative Layout Shift (CLS)0.14
    Interaction to next paint (INP)680 ms
    Total Blocking Time (TBT)354 ms
    First Contentful Paint info
    Elements that needed recalculate style before FCP11528
    Time spent in recalculate style before FCP140.714 ms
    Extra timings
    TTFB486 ms
    First Paint1.180 s
    Load Event End2.148 s
    Fully loaded2.653 s
    User Timing marks
    mwStartup1.129 s
    mwCentralNoticeBanner1.988 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 1.180 s
    Element render delay694 ms
    TTFB486 ms
    Resource delay0 ms
    Resource load duration0 ms
    Elements that needed recalculate style before LCP11528
    Time spent in recalculate style before LCP140.714 ms
    Load time0 ms
    Size (width*height)123778
    DOM path
    div:eq(3) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(1) > p:eq(3)> div:eq(3) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(1) > p:eq(3)>
    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

    0.13791 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
    0.13737<div id="wmde-banner-app" data-v-app=""></div>,<header class="vector-header mw-header no-font-mode-scale"></header>,<div class="mw-page-container"></div>,<img alt="Increase" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/20px-Increase2.svg.png" decoding="async" width="11" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Increase2.svg/40px-Increase2.svg.png 2x" data-file-width="300" data-file-height="300">
    body > div#wmde-banner-app,body > div:eq(2) > header,body > div:eq(3),body > div:eq(3) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(1) > table:eq(0) > tbody > tr:eq(12) > td > span > span > img
    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(3) > 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(3) > 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(3) > 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(3) > 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(3) > 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>
    body > div:eq(3) > 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-Website > button > span:eq(0),body > div:eq(3) > 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-Reception > button > span:eq(0),body > div:eq(3) > 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-Criticisms_and_controversies > button > span:eq(0),body > div:eq(3) > 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-Impact > 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.

    Interaction to Next Paint

    Interaction to Next Paint (INP) is a metric that try to measure responsiveness. It's useful if you are testing user journeys. Read more about Interaction to Next Paint.

    The measured latency was 680 ms.

    Event typepointerenter
    Element typeMAIN
    Element class namemw-body
    Event target#content
    Load state when the event happenedloading

    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
    232.5 ms584.1 ms0.1 ms0.1 ms0 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    217.3 ms264.9 ms3.5 ms3.5 ms0 ms
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022

    Forced Style And Layout Duration: 227 ms

    Invoker:  IdleRequestCallback
    Invoker Type: user-callback
    Source Function Name:  doPropagation
    Window attribution: self
    Source char position: 4314

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    96.7 ms120.7 ms36.2 ms36.1 ms0.1 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.chart.bootstrap%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%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%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.databox.fromWikidata&skin=vector-2022&version=559ml

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 339956

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    68.9 ms106.2 ms12.8 ms12.8 ms0 ms

    Forced Style And Layout Duration: 102 ms

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 37529

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    35.6 ms61.3 ms48.1 ms42.4 ms5.7 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.chart.bootstrap%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%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%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.databox.fromWikidata&skin=vector-2022&version=559ml

    Forced Style And Layout Duration: 4 ms

    Invoker:  IntersectionObserverCallback
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 804863

    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.chart.bootstrap%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%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%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.databox.fromWikidata&skin=vector-2022&version=559ml

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 339956

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    30.3 ms16.9 ms72.9 ms65.2 ms7.7 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.chart.bootstrap%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%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%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.databox.fromWikidata&skin=vector-2022&version=559ml

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 339956

    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
    17.1 ms44.2 ms25 ms11.6 ms13.4 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 ms18.9 ms34.9 ms31.9 ms3 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

    Forced Style And Layout Duration: 14 ms

    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 (Facebook_user_page.png)2.600 s 1129 738 300 439
    <img alt="This is a screenshot of Mark Zuckerburg's Facebook profile. It includes his profile photo and a header photo of llamas." src="//upload.wikimedia.org/wikipedia/en/6/64/Facebook_user_page.png" decoding="async" width="300" height="439" class="mw-file-element" data-file-width="261" data-file-height="382">
    Heading2.600 s 478 384 789 40
    <h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
    LargestContentfulPaint2.600 s 478 911 948 208
    <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 requests67
    Total domains4
    Total transfer size1.1 MB
    Total content size3.1 MB
    Responses missing compression14
    Number of cookies42
    Third party cookies0
    Requests per response code
    20065
    2041
    3021

    Largest assets on the page (by transfer size)

    Requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b196.8 KB1.1 MB1
    css0 b26.7 KB189.8 KB2
    javascript0 b376.1 KB1.3 MB9
    image0 b458.4 KB423.1 KB32
    svg0 b29.0 KB23.4 KB20
    plain0 b611 B0 b1
    favicon0 b1.8 KB2.7 KB1
    Total0 b1.1 MB3.1 MB66

    Data per domain

    DomainTotal download timeTransfer SizeContent SizeRequests
    en.wikipedia.org5.756 s605.2 KB2.6 MB31
    upload.wikimedia.org21.862 s449.1 KB413.0 KB34
    meta.wikimedia.org156 ms33.7 KB109.0 KB1
    auth.wikimedia.org208 ms1.4 KB254 B1

    Expires and last modified statistics

    typeminmedianmax
    Expires0 seconds0 seconds1 year
    Last modified5 minutes40 weeks9 years

    Requests loaded after onLoad event

    Included requests done after load event end.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript0 b0
    image93.2 KB1
    font0 b0
    favicon1.8 KB1
    Total95.0 KB2

    Requests loaded after onContentLoad

    Includes requests done after DOM content loaded.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript120.5 KB5
    image93.2 KB1
    font0 b0
    svg11.3 KB10
    plain611 B1
    favicon1.8 KB1
    Total227.4 KB19

    Render blocking requests

    Render blocking information directly from Chrome.

    BlockingIn body parser blockingPotentially blocking
    201

    Render information

    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.

    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 354
    Max Potential First Input Delay 263
    Long Tasks before First Paint1301
    Long Tasks before First Contentful Paint1301
    Long Tasks before Largest Contentful Paint1301
    Long Tasks after Load Event End2369
    Total Long Tasks6905

    CPU last long task happened at 2.431 s

    Individual Long Tasks

    namestartTimedurationcontainerIdcontainerNamecontainerSrccontainerType
    unknown799301window
    self1693110window
    self191350window
    self199175window
    self2153263window
    self2431106window

    CPU time spent

    Calculated using Tracium.

    Categories (ms)
    parseHTML56
    styleLayout963
    paintCompositeRender95
    scriptParseCompile4
    scriptEvaluation341
    garbageCollection6
    other458
    Events (ms)
    UpdateLayoutTree646
    Layout317
    FunctionCall292
    RunTask242
    PrePaint101
    ParseHTML53
    Layerize44
    Paint44
    HitTest38
    Commit18
    v8.run14
    RunMicrotasks13
    V8.HandleInterrupts13
    IntersectionObserverController::computeIntersections12
    DocumentLoader::BodyLoadingFinished11
    CpuProfiler::StartProfiling10

    Time spent per request

    URLCPU time (ms)
    https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022357
    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.chart.bootstrap%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.cx.uls.quick.actions%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.uls.common%2Cinterface%2Cpreferences%2Cwebfonts%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CmakeCollapsible%2CtextSelection%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%7Cskins.vector.clientPreferences%2Cjs%7Cskins.vector.icons.js%7Cwikibase.client.vector-2022%7Cwikibase.databox.fromWikidata&skin=vector-2022&version=559ml193