Page summary

https://en.m.wikipedia.org/wiki/Main_Page

Tested 2024-11-21 01:53:37 using Chrome 131.0.6778.69 (script).(runtime settings).

Test visiting multiple pages

First hit the portal page with an empty browser cache and then visit Main_Page

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

Summary

MetricValue
Page metrics
Performance Score73
Total Page Transfer Size750.2 KB
Requests45
Timing metrics
TTFB [median]215 ms
First Paint [median]533 ms
Fully Loaded [median]4.542 s
Google Web Vitals
TTFB [median]215 ms
First Contentful Paint (FCP) [median]533 ms
Largest Contentful Paint (LCP) [median]877 ms
Cumulative Layout Shift (CLS) [median]0.54
Total Blocking Time [median]2.307 s
Max Potential FID [median]1.230 s
CPU metrics
CPU long tasks [median]14
CPU longest task duration1.347 s
CPU last long task happens at11.433 s
Visual Metrics
First Visual Change [median]533 ms
Speed Index [median]6.969 s
Visual Complete 85% [median]12.133 s
Visual Complete 99% [median]12.600 s
Last Visual Change [median]14.633 s
Screenshot of run 3

Timings Summary

Metricminmedianmeanmax
Visual Metrics
FirstVisualChange533 ms533 ms544 ms567 ms
LastVisualChange12.600 s14.633 s14.033 s14.867 s
SpeedIndex6.958 s6.969 s6.981 s7.015 s
Heading12.467 s12.600 s12.556 s12.600 s
LastMeaningfulPaint12.467 s12.600 s12.556 s12.600 s
VisualReadiness12.067 s14.100 s13.489 s14.300 s
VisualComplete8512.000 s12.133 s12.111 s12.200 s
VisualComplete9512.467 s12.567 s12.545 s12.600 s
VisualComplete9912.600 s12.600 s13.111 s14.133 s
Google Web Vitals
Time To First Byte (TTFB)213 ms215 ms214 ms215 ms
Largest Contentful Paint (LCP)866 ms877 ms874 ms880 ms
First Contentful Paint (FCP)526 ms533 ms531 ms533 ms
Cumulative Layout Shift (CLS)0.54090.54210.54270.5451
More metrics
firstPaint526 ms533 ms531 ms533 ms
loadEventEnd1.563 s2.877 s2.452 s2.916 s
User Timing
mwStartup528 ms528 ms528 ms529 ms
mwCentralNoticeBanner2.706 s2.708 s2.721 s2.748 s
CPU
Total Blocking Time2.280 s2.307 s2.325 s2.387 s
Max Potential FID1.160 s1.230 s1.246 s1.347 s
CPU long tasks 13141416
CPU last long task happens at11.429 s11.433 s11.477 s11.569 s
Download videoDownload timelineDownload HARDownload Console Logs
| Waterfall | | Download HAR | 

Waterfall

Run 3 SpeedIndex median

Download HARCompare
| Video | Download | 

Video

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| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
0.5 sCPU Long Task duration 72 ms
0.6 sCPU Long Task duration 51 msmwStartup 528 msFirst Contentful Paint 533 msFirst Visual Change 533 ms
0.7 s
0.8 sCPU Long Task duration 124 ms
0.9 sLCP <P> 866 msCPU Long Task duration 72 ms
1 sCPU Long Task duration 169 ms
1.1 s
1.2 s
1.3 sCPU Long Task duration 236 ms
1.4 s
1.5 s
1.6 sDOM Content Loaded Time 1.559 sPage Load Time 1.563 sCPU Long Task duration 218 ms
1.7 s
1.8 sCPU Long Task duration 70 ms
1.9 sCPU Long Task duration 70 ms
2 sCPU Long Task duration 121 ms
2.2 sCPU Long Task duration 182 ms
2.4 sCPU Long Task duration 62 ms
2.5 s
2.6 sCPU Long Task duration 147 ms
2.7 s
2.8 smwCentralNoticeBanner 2.706 s
2.9 sFully Loaded 2.852 sCPU Long Task duration 1.347 s
3 s
3.6 s
3.7 s
4.3 sCPU Long Task duration 121 ms
4.8 s
5 s
5.4 s
5.5 s
5.9 s
9.2 s
9.3 s
9.4 s
11.2 s
11.4 s
11.6 sCPU Long Task duration 148 ms
11.8 sLayout Shift 0.04063 11.736 sLayout Shift 0.01567 11.762 sLayout Shift 0.01985 11.792 s
11.9 sLayout Shift 0.02656 11.826 sLayout Shift 0.01563 11.849 sLayout Shift 0.03906 11.876 s
12 sLayout Shift 0.02393 11.905 sLayout Shift 0.05669 11.931 sLayout Shift 0.06094 11.958 sLayout Shift 0.02813 11.986 s
12.1 sLayout Shift 0.04629 12.016 sLayout Shift 0.03594 12.047 sLayout Shift 0.02813 12.077 s
12.2 sLayout Shift 0.02241 12.105 sLayout Shift 0.01094 12.132 sVisual Complete 85% 12.133 sLayout Shift 0.01658 12.157 sLayout Shift 0.00781 12.182 s
12.3 sLayout Shift 0.01265 12.207 sLayout Shift 0.00554 12.235 sLayout Shift 0.01094 12.260 s
12.4 sLayout Shift 0.00781 12.314 sLayout Shift 0.00625 12.363 s
12.5 sLayout Shift 0.00256 12.415 s
12.6 sLast Visual Change 12.600 sVisual Complete 95% 12.600 sVisual Complete 99% 12.600 sHeading 12.600 s
| Performance advice | Best practice advice | Privacy advice | Page info | Technologies | 

Coach

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

I am the coach

Coach score

Performance advice (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.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva99
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.m.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.m.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Red-lored_Whistler_0A2...tler_0A2A8896.jpg
  • https://en.m.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg
    • Inline CSS for faster first render (inlineCss)The page has both inline CSS and CSS requests even though it uses a HTTP/2-ish connection. If you have many users on slow connections, it can be better to only inline the CSS. Run your own tests and check the waterfall graph to see what happens.95
    Description: In the early days of the Internet, inlining CSS was one of the ugliest things you can do. That has changed if you want your page to start rendering fast for your user. Always inline the critical CSS when you use HTTP/1 and HTTP/2 (avoid doing CSS requests that block rendering) and lazy load and cache the rest of the CSS. It is a little more complicated when using HTTP/2. Does your server support HTTP push? Then maybe that can help. Do you have a lot of users on a slow connection and are serving large chunks of HTML? Then it could be better to use the inline technique, becasue some servers always prioritize HTML content over CSS so the user needs to download the HTML first, before the CSS is downloaded.
    Avoid CPU Long Tasks (longTasks)The page has 15 CPU long tasks with the total of 3.087 s. The total blocking time is 2.314 s and 1 long task before first contentful paint with total time of 73 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
  • self
  • self
  • self
  • self
  • self
  • self
  • self
  • self
  • self
  • self
  • self
    • Avoid doing redirects (assetsRedirects)The page has 3 redirects. 1 of the redirects are from the base domain, please fix them! 2 requests are from other domains, it could be 3rd-party assets doing unnecessary redirects. :(70
    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&mobile=1&mobile=1
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://en.m.wikipedia.org/wiki/Special:CentralAutoLogin/start?mobile=1&mobile=1&type=script
    • Avoid extra requests by setting cache headers (cacheHeaders)The page has 23 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 409.2 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/commons/thumb/a/ad/Foxborostade_crop_1.pn...ostade_crop_1.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Song_Zhenzhong.jpeg/25...ng_Zhenzhong.jpeg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Hong_Kong_47_arrestees..._47_arrestees.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Alan_Freed_disk_jockey...d_disk_jockey.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Red-lored_Whistler_0A2...tler_0A2A8896.jpg
  • https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/62px-Commons-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/MediaWiki-2020-icon.sv...2020-icon.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/75/Wikimedia_Community_Lo...nity_Logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/70p...ooks-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/94px...data-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/102p...news-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/70p...uote-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/70...urce-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikispecies-logo.svg/7...cies-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017....logo_2017.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Wikivoyage-Logo-v3-ico...o-v3-icon.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/70px...y-logo-v2.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/82...nary-logo.svg.png
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script&mobile=1&mobile=1
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://en.m.wikipedia.org/wiki/Special:CentralAutoLogin/start?mobile=1&mobile=1&type=script
  • https://meta.m.wikimedia.org/w/index.php...a.org/w/index.php
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
    • Long cache headers is good (cacheHeadersLong)The page has 4 requests that have a shorter cache time than 30 days (but still a cache time).96
    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.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=minerva
  • https://en.m.wikipedia.org/w/api.php?action=webapp-manifest
    • Always compress text content (compressAssets)The page has 1 request that are served uncompressed. You could save a lot of bytes by sending them compressed instead.90
    Description: In the early days of the Internet there were browsers that didn't support compressing (gzipping) text content. They do now. Make sure you compress HTML, JSON, JavaScript, CSS and SVG. It will save bytes for the user; making the page load faster and use less bandwith.
    Offenders:
    URLTransfer sizeContent size
    https://meta.m.wikimedia.org/w/index.php...a.org/w/index.php 63.3 KB262.6 KB
    Total JavaScript size shouldn't be too big (javascriptSize)The total JavaScript transfer size is 360.9 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.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva 20.2 KB60.8 KB
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.gadget.switcher&skin=minerva&version=1u62d 1.5 KB1.3 KB
    https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php 185.3 KB780.9 KB
    https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php 26.9 KB129.0 KB
    https://meta.m.wikimedia.org/w/index.php...a.org/w/index.php 63.3 KB262.6 KB
    https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn 1.2 KB252 B
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=vue&skin=minerva&version=n99vv 54.1 KB146.3 KB
    Make each CSS response small (optimalCssSize)https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cmediawiki.hlist%7Cmobile.init.styles%7Cskins.minerva.amc.styles%7Cskins.minerva.codex.styles%7Cskins.minerva.content.styles.images%7Cskins.minerva.icons.wikimedia%7Cskins.minerva.mainMenu.icons%7Cskins.minerva.mainPage.styles%7Cskins.minerva.styles&only=styles&skin=minerva size is 17.5 kB (17501) 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.m.wikipedia.org/w/load.php...ia.org/w/load.php 17.1 KB133.4 KB
    Don't use private headers on static content (privateAssets)The page has 2 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.90
    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.m.wikipedia.org/wiki/Main_Page
  • https://en.m.wikipedia.org/wiki/Special:CentralAutoLogin/start?mobile=1&mobile=1&type=script

    • Best practice advice (73)

    TitleAdviceScore
    Cumulative Layout Shift (cumulativeLayoutShift)You have a poor cumulative layout shift score (0.5421). It is in the Google Web Vitals poor range, with a shift higher than 0.25. You should manually check the filmstrip or video and check if it will affect the user.0
    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.m.wikiped...ia.org/w/load.php has a header sourcemap that is 1104 characters long. 99
    Description: Do not send response headers that are too long.
    Offenders:
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
    • Avoid unnecessary headers (unnecessaryHeaders)There are 20 responses that sets both a max-age and expires header. There are 45 responses that sets a server header. 35
    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.m.wikipedia.org/wiki/Main_Page
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=minerva
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=site.styles&only=styles&skin=minerva
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Foxborostade_crop_1.pn...ostade_crop_1.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Song_Zhenzhong.jpeg/25...ng_Zhenzhong.jpeg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Hong_Kong_47_arrestees..._47_arrestees.jpg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Alan_Freed_disk_jockey...d_disk_jockey.jpg
  • https://en.m.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg
  • https://en.m.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Red-lored_Whistler_0A2...tler_0A2A8896.jpg
  • https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/62px-Commons-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/MediaWiki-2020-icon.sv...2020-icon.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/7/75/Wikimedia_Community_Lo...nity_Logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/70p...ooks-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/94px...data-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/102p...news-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/70p...uote-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/70...urce-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikispecies-logo.svg/7...cies-logo.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017....logo_2017.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Wikivoyage-Logo-v3-ico...o-v3-icon.svg.png
  • https://upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/70px...y-logo-v2.svg.png
  • https://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/82...nary-logo.svg.png
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.gadget.switcher&skin=minerva&version=1u62d
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.gadget.switcher&skin=minerva&version=1u62d
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.m.wikipedia.org/w/load.php...ia.org/w/load.php
  • https://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=script&mobile=1&mobile=1
  • https://meta.wikimedia.org/w/index.php...a.org/w/index.php
  • https://en.m.wikipedia.org/wiki/Special:CentralAutoLogin/start?mobile=1&mobile=1&type=script
  • https://meta.m.wikimedia.org/w/index.php...a.org/w/index.php
  • https://login.wikimedia.org/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=vue&skin=minerva&version=n99vv
  • https://en.m.wikipedia.org/w/load.php?lang=en&modules=vue&skin=minerva&version=n99vv
  • https://en.m.wikipedia.org/beacon/impression...beacon/impression
  • https://en.m.wikipedia.org/w/api.php?action=webapp-manifest
  • https://en.m.wikipedia.org/w/api.php?action=webapp-manifest
  • https://en.m.wikipedia.org/static/favicon/wikipedia.ico
  • https://en.m.wikipedia.org/static/favicon/wikipedia.ico
  • https://en.m.wikipedia.org/static/apple-touch/wikipedia.png
  • https://en.m.wikipedia.org/static/apple-touch/wikipedia.png

    • 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.m.wikipedia.org/wiki/Main_Page
    • 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.m.wikipedia.org/wiki/Main_Page

    • Page info

    Page info
    TitleWikipedia, the free encyclopedia
    GeneratorMediaWiki 1.44.0-wmf.3
    Width360
    Height8603
    DOM elements1501
    Avg DOM depth14
    Max DOM depth23
    Iframes0
    Script tags8
    Local storage700.1 KB
    Session storage0 b
    Network Information API4g
    Resource Hints
    dns-prefetch
    https://meta.wikimedia.org/
    https://login.wikimedia.org/
    preconnect
    https://upload.wikimedia.org/

    Technologies used to build the page.

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

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

    Data from run 3

    Visual Metrics

    Visual Metrics
    First Visual Change533 ms
    Speed Index6.969 s
    Heading12.600 s
    Last Meaningful Paint12.600 s
    Visual Complete 85%12.133 s
    Visual Complete 95%12.600 s
    Visual Complete 99%12.600 s
    Last Visual Change12.600 s
    Visual Readiness12.067 s

    Browser Metrics

    Navigation Timing
    backEndTime215 ms
    domContentLoadedTime1.559 s
    domInteractiveTime1.559 s
    domainLookupTime0 ms
    frontEndTime1.339 s
    pageDownloadTime9 ms
    pageLoadTime1.563 s
    redirectionTime0 ms
    serverConnectionTime0 ms
    serverResponseTime123 ms
    Google Web Vitals
    Time to first byte (TTFB)215 ms
    First Contentful Paint (FCP)533 ms
    Largest Contentful Paint (LCP)866 ms
    Cumulative Layout Shift (CLS)0.54
    Total Blocking Time (TBT)2.387 s
    First Contentful Paint info
    Elements that needed recalculate style before FCP76
    Time spent in recalculate style before FCP41.758 ms
    Extra timings
    TTFB215 ms
    First Paint533 ms
    Load Event End1.563 s
    Fully loaded2.852 s
    User Timing marks
    mwStartup528 ms
    mwCentralNoticeBanner2.706 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 866 ms
    Elements that needed recalculate style before LCP310
    Time spent in recalculate style before LCP71.699 ms
    Load time0 ms
    Size (width*height)122892
    DOM path
    div#mw-mf-viewport > div#mw-mf-page-center > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > section#mf-section-0 > div#mp-upper > div#mp-left > div#mp-tfa > p> div#mw-mf-viewport > div#mw-mf-page-center > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > section#mf-section-0 > div#mp-upper > div#mp-left > div#mp-tfa > p>
    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

    0.54091 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
    0.06094<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.05669<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.04629<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.04063<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.03906<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.03594<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.02813<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.02813<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.02656<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.02393<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.02241<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.01985<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.01658<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.01567<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.01563<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.01265<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.01094<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.01094<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.00781<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.00781<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.00625<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.00554<div id="wmde-banner-app" data-v-app=""></div>,<div id="mw-mf-page-center"></div>
    body > div#wmde-banner-app,body > div#mw-mf-viewport > div#mw-mf-page-center
    0.00256<div id="wmde-banner-app" data-v-app=""></div>
    body > div#wmde-banner-app
    Layout shift

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

    Long Animation Frames

    Read more about the Long Animation Frames API here here.

    The top 10 longest animation frames entries

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    1.335 s1.347 s37.8 ms18.1 ms19.7 ms
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva

    Forced Style And Layout Duration: 516 ms

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

    Invoker:  FrameRequestCallback
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 57952

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    238 ms256.8 ms69.2 ms45.4 ms23.8 ms
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva

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

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

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

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    223 ms126 ms235 ms228 ms7 ms
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.checkUser.clientHints%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagelist.styles%7Cmobile.pagesummary.styles%7Cmw.externalguidance.init%7Cskins.minerva.mainMenu.styles%7Cskins.minerva.messageBox.styles%7Cskins.minerva.scripts%7Cwikibase.sidebar.tracking&skin=minerva&version=1mn99

    Invoker:  https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.checkUser.clientHints%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagelist.styles%7Cmobile.pagesummary.styles%7Cmw.externalguidance.init%7Cskins.minerva.mainMenu.styles%7Cskins.minerva.messageBox.styles%7Cskins.minerva.scripts%7Cwikibase.sidebar.tracking&skin=minerva&version=1mn99
    Invoker Type: classic-script
    Window attribution: self

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    158 ms63.1 ms180.9 ms177.8 ms3.1 ms
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.checkUser.clientHints%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagelist.styles%7Cmobile.pagesummary.styles%7Cmw.externalguidance.init%7Cskins.minerva.mainMenu.styles%7Cskins.minerva.messageBox.styles%7Cskins.minerva.scripts%7Cwikibase.sidebar.tracking&skin=minerva&version=1mn99

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 214371

    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralauth.ForeignApi%7Cext.cite.referencePreviews%7Cext.math.popup%7Cext.popups.main%7Cmediawiki.ForeignApi%7Cmediawiki.ForeignApi.core&skin=minerva&version=ynmr8

    Invoker:  https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralauth.ForeignApi%7Cext.cite.referencePreviews%7Cext.math.popup%7Cext.popups.main%7Cmediawiki.ForeignApi%7Cmediawiki.ForeignApi.core&skin=minerva&version=ynmr8
    Invoker Type: classic-script
    Window attribution: self

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

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

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

    Forced Style And Layout Duration: 19 ms

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

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    141 ms100.9 ms120.1 ms109.6 ms10.5 ms
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva

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

    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.checkUser.clientHints%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagelist.styles%7Cmobile.pagesummary.styles%7Cmw.externalguidance.init%7Cskins.minerva.mainMenu.styles%7Cskins.minerva.messageBox.styles%7Cskins.minerva.scripts%7Cwikibase.sidebar.tracking&skin=minerva&version=1mn99

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 214371

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

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

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    129 ms38.1 ms168.9 ms162.4 ms6.5 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    103 ms163.2 ms4.8 ms0 ms4.8 ms
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.checkUser.clientHints%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagelist.styles%7Cmobile.pagesummary.styles%7Cmw.externalguidance.init%7Cskins.minerva.mainMenu.styles%7Cskins.minerva.messageBox.styles%7Cskins.minerva.scripts%7Cwikibase.sidebar.tracking&skin=minerva&version=1mn99

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 214371

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    103 ms150.5 ms3.5 ms0 ms3.5 ms

    Forced Style And Layout Duration: 139 ms

    Invoker:  TimerHandler:setTimeout
    Invoker Type: user-callback
    Window attribution: self
    Source char position: 151424

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    83 ms35.8 ms122.2 ms0 ms122.2 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    32 ms22.6 ms71.4 ms61 ms10.4 ms
    No availible script information.

    Server timings

    namedurationdescription
    cache0hit-front
    host0cp3067

    Custom metrics collected through JavaScript

    There are no custom configured scripts.

    Extra metrics collected using scripting

    There are no custom extra metrics from scripting.

    Visual Elements

    NameDisplay TimeX YWidthHeight
    LargestImage (160px-Foxborostade_crop_1.png) 25 603 160 122
    <img alt="Foxboro Stadium, host venue of MLS Cup 1999" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Foxborostade_crop_1.png/160px-Foxborostade_crop_1.png" decoding="async" width="160" height="122" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Foxborostade_crop_1.png/240px-Foxborostade_crop_1.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Foxborostade_crop_1.png/320px-Foxborostade_crop_1.png 2x" data-file-width="625" data-file-height="477">
    Heading12.600 s 48 434 256 28
    <h1 id="Welcome_to_Wikipedia"></h1>
    LargestContentfulPaint 25 595 310 800
    <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 requests45
    Total domains6
    Total transfer size750.2 KB
    Total content size1.9 MB
    Responses missing compression8
    Number of cookies4
    Third party cookies0
    Requests per response code
    20041
    2041
    3023

    Largest assets on the page (by transfer size)

    URLTypeTransfer SizeContent Size
    https://en.m.wikiped...ia.org/w/load.phpjavascript185.3 KB780.9 KB
    https://upload.wikim...ostade_crop_1.pngimage160.7 KB159.8 KB
    https://meta.m.wikim...a.org/w/index.phpjavascript63.3 KB262.6 KB
    https://en.m.wikiped...ia.org/w/load.phpjavascript54.1 KB146.3 KB
    https://upload.wikim...tler_0A2A8896.jpgimage51.1 KB50.2 KB
    https://upload.wikim..._47_arrestees.jpgimage30.9 KB30.0 KB
    https://en.m.wikiped...ia.org/w/load.phpjavascript26.9 KB129.0 KB
    https://en.m.wikiped...rg/wiki/Main_Pagehtml26.1 KB102.9 KB
    https://en.m.wikiped...ia.org/w/load.phpjavascript20.2 KB60.8 KB
    https://upload.wikim...d_disk_jockey.jpgimage19.6 KB18.7 KB
    https://upload.wikim...ng_Zhenzhong.jpegimage19.1 KB18.3 KB
    https://en.m.wikiped...ia.org/w/load.phpcss17.1 KB133.4 KB
    https://upload.wikim...nary-logo.svg.pngimage9.9 KB9.1 KB
    https://upload.wikim...news-logo.svg.pngimage6.7 KB5.9 KB
    https://upload.wikim...cies-logo.svg.pngimage6.1 KB5.3 KB
    https://upload.wikim...2020-icon.svg.pngimage5.2 KB4.3 KB
    https://upload.wikim...urce-logo.svg.pngimage3.9 KB3.1 KB
    https://upload.wikim...nity_Logo.svg.pngimage3.8 KB2.9 KB
    https://upload.wikim...uote-logo.svg.pngimage3.7 KB2.9 KB
    https://upload.wikim...ooks-logo.svg.pngimage3.6 KB2.8 KB

    Requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b26.1 KB102.9 KB1
    css0 b18.4 KB135.2 KB2
    javascript0 b352.4 KB1.3 MB7
    image0 b337.1 KB320.8 KB19
    svg0 b12.5 KB8.9 KB10
    plain0 b546 B0 b1
    json0 b1.4 KB263 B1
    favicon0 b1.7 KB2.7 KB1
    Total0 b750.2 KB1.9 MB42

    Data per domain

    DomainTotal download timeTransfer SizeContent SizeRequests
    en.m.wikipedia.org3.283 s350.6 KB1.3 MB23
    upload.wikimedia.org10.504 s335.1 KB319.5 KB18
    en.wikipedia.org97 msN/A0 b1
    meta.wikimedia.org97 msN/A0 b1
    meta.m.wikimedia.org268 ms63.3 KB262.6 KB1
    login.wikimedia.org99 ms1.2 KB252 B1

    Expires and last modified statistics

    typeminmedianmax
    Expires0 seconds0 seconds1 year
    Last modified4 seconds21 weeks7 years

    Requests loaded after onLoad event

    Included requests done after load event end.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript0 b0
    image2.0 KB1
    font0 b0
    json1.4 KB1
    favicon1.7 KB1
    Total5.1 KB3

    Requests loaded after onContentLoad

    Includes requests done after DOM content loaded.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript118.6 KB3
    image2.0 KB1
    font0 b0
    plain546 B1
    json1.4 KB1
    favicon1.7 KB1
    Total124.2 KB9

    Render blocking requests

    Render blocking information directly from Chrome.

    BlockingIn body parser blockingPotentially blocking
    201

    Render information

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

    CPU

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

    Download trace log

    Long Tasks

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

    TypeQuantityTotal duration (ms)
    Total Blocking Time 2387
    Max Potential First Input Delay 1347
    Long Tasks before First Paint2123
    Long Tasks before First Contentful Paint2123
    Long Tasks before Largest Contentful Paint3247
    Long Tasks after Load Event End102486
    Total Long Tasks163210

    CPU last long task happened at 11.569 s

    Individual Long Tasks

    namestartTimedurationcontainerIdcontainerNamecontainerSrccontainerType
    unknown41472window
    self52651window
    unknown734124window
    unknown88472window
    unknown994169window
    unknown1289236window
    self1565218window
    self178770window
    self187770window
    self1978121window
    self2166182window
    self238862window
    self2575147window
    self28731347window
    self4296121window
    self11569148window

    CPU time spent

    Calculated using Tracium.

    Categories (ms)
    parseHTML194
    styleLayout1604
    paintCompositeRender501
    scriptParseCompile68
    scriptEvaluation1969
    garbageCollection50
    other1586
    Events (ms)
    FunctionCall1728
    Layout808
    UpdateLayoutTree790
    RunTask784
    PrePaint381
    Paint346
    ParseHTML173
    CpuProfiler::StartProfiling140
    v8.run99
    Layerize99
    HitTest84
    Commit69
    v8.compile68
    RunMicrotasks51
    PaintImage41
    V8.HandleInterrupts32
    UpdateLayer26
    DecodedDataDocumentParser::AppendBytes22
    ParseAuthorStyleSheet19
    DocumentLoader::CommitNavigation19
    HTMLDocumentParser::FetchQueuedPreloads17
    V8.BytecodeBudgetInterrupt16
    v8.callFunction12
    V8.GC_SCAVENGER_SCAVENGE_PARALLEL11
    IntersectionObserverController::computeIntersections11

    Time spent per request

    URLCPU time (ms)
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva2233
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.checkUser.clientHints%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.urlShortener.toolbar%7Cjquery%2Coojs%2Csite%7Cjquery.client%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagelist.styles%7Cmobile.pagesummary.styles%7Cmw.externalguidance.init%7Cskins.minerva.mainMenu.styles%7Cskins.minerva.messageBox.styles%7Cskins.minerva.scripts%7Cwikibase.sidebar.tracking&skin=minerva&version=1mn99392
    https://meta.wikimedia.org/w/index.php?title=Special:BannerLoader&campaign=C24_WMDE_Mobile_EN_01&banner=B24_WMDE_Mobile_EN_01_ctrl&uselang=en&debug=false152
    https://en.m.wikipedia.org/w/load.php?lang=en&modules=ext.centralauth.ForeignApi%7Cext.cite.referencePreviews%7Cext.math.popup%7Cext.popups.main%7Cmediawiki.ForeignApi%7Cmediawiki.ForeignApi.core&skin=minerva&version=ynmr820
    https://en.m.wikipedia.org/wiki/Main_Page15