Run 1 for https://vi.wikipedia.org/wiki/Vincent_van

Summary

Metric	Value
Page metrics
Performance score	76
Total page size	594.1 KB
Requests	28
Timing metrics
TTFB	9.598 s
First Paint	10.344 s
Fully Loaded	13.054 s
Google Web Vitals
TTFB	9.598 s
First Contentful Paint (FCP)	10.344 s
Largest Contentful Paint (LCP)	10.880 s
Cumulative Layout Shift (CLS)	0.00
Total Blocking Time	1.161 s
Max Potential FID	285 ms
CPU metrics
CPU long tasks	10
CPU last long task happens at	13.139 s
Visual Metrics
First Visual Change	10.333 s
Speed Index	11.030 s
Visual Complete 85%	10.866 s
Visual Complete 99%	15.366 s
Last Visual Change	15.400 s

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| Waterfall | | Download HAR |

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| Filmstrip |

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s

10.2 sCPU Long Task duration 161 ms

10.4 sFirst Visual Change 10.333 sLargest Image 10.333 sHeading 10.333 sFirst Contentful Paint 10.344 s

10.5 s

10.6 smwStartup 10.511 sCPU Long Task duration 285 ms

10.7 s

10.9 sVisual Complete 85% 10.866 sLCP <P> 10.880 s

11 s

11.1 sCPU Long Task duration 225 ms

11.2 s

11.3 sCPU Long Task duration 209 ms

11.4 s

11.5 s

11.6 sCPU Long Task duration 115 ms

11.8 sCPU Long Task duration 198 ms

11.9 s

12 sDOM Content Loaded Time 11.943 s

12.1 sCPU Long Task duration 66 ms

12.2 sCPU Long Task duration 223 ms

12.3 s

12.4 sCPU Long Task duration 178 ms

12.6 s

12.7 sPage Load Time 12.628 s

12.8 s

12.9 s

13.1 sFully Loaded 13.054 s

13.2 sCPU Long Task duration 112 ms

13.3 s

13.5 s

13.7 s

13.8 s

14 s

14.3 s

14.5 s

14.6 s

14.8 s

15.1 s

15.3 s

15.4 sVisual Complete 95% 15.366 sVisual Complete 99% 15.366 sLast Visual Change 15.400 s

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.

Coach score

Total score 82
Performance score 76
Privacy score 88
Best practice score 89

Performance advice (76)

Title

Advice

Score

Avoid slowing down the critical rendering path (avoidRenderBlocking)

The page has 3 blocking requests and 0 in body parser blocking (0 JavaScript and 3 CSS). There are 1 potentially render blocking requests. You need to verify if it is render blocking: https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva

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://vi.wikipedia.org/w/load.php...ia.org/w/load.php

Don't scale images in the browser (avoidScalingImages)

The page has 2 images that are scaled more than 100 pixels. It would be better if those images are sent so the browser don't need to scale them.

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://vi.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg

Have a fast first contentful paint (firstContentfulPaint)

First contentful paint is poor (10.344 s). It is in the Google Web Vitals poor range, slower than 3 seconds.The page has a high time to first byte (TTFB) 9.598 s that you should look into to improve first contentful paint.

Description: The First Contentful Paint (FCP) metric measures the time from when the page starts loading to when any part of the page content is rendered on the screen. For this metric, "content" refers to text, images (including background images), <svg> elements, or non-white <canvas> elements.

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.

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.

Have a fast largest contentful paint (largestContentfulPaint)

Largest contentful paint is poor 10.880 s. It is in the Google Web Vitals poor range, slower than 4.5 seconds.

Description: Largest contentful paint is one of Google Web Vitals and reports the render time of the largest image or text block visible within the viewport, relative to when the page first started loading. To be fast according to Google, it needs to render before 2.5 seconds and results over 4 seconds is poor performance.

Offenders:

<p></p>

Avoid CPU Long Tasks (longTasks)

The page has 10 CPU long tasks with the total of 1.772 s. The total blocking time is 1.161 s and 1 long task before first contentful paint with total time of 161 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.

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

Avoid doing redirects (assetsRedirects)

The page has 1 redirect. 1 of the redirects are from the base domain, please fix them!

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://vi.wikipedia.org/wiki/Special:CentralAutoLogin/start?useformat=mobile&type=script&usesul3=1

Avoid extra requests by setting cache headers (cacheHeaders)

The page has 4 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 146.2 kB the next access.

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/4/4c/Vincent_van_Gogh_-_Sel..._%28454045%29.jpg

https://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Vincent_van_Gogh_signa...incent%29.svg.png

https://vi.wikipedia.org/wiki/Special:CentralAutoLogin/start?useformat=mobile&type=script&usesul3=1

https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn

Long cache headers is good (cacheHeadersLong)

The page has 5 requests that have a shorter cache time than 30 days (but still a cache time).

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://vi.wikipedia.org/w/load.php...ia.org/w/load.php

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

https://vi.wikipedia.org/w/load.php...ia.org/w/load.php

https://vi.wikipedia.org/w/load.php?lang=vi&modules=site.styles&only=styles&skin=minerva

https://vi.wikipedia.org/w/api.php?action=webapp-manifest

Total JavaScript size shouldn't be too big (javascriptSize)

The total JavaScript transfer size is 317.3 kB and the uncompressed size is 1.2 MB. This is totally crazy! There is really room for improvement here.

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:

URL	Transfer size	Content size
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva	20.2 KB	60.0 KB
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	25.6 KB	81.0 KB
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	258.7 KB	1.0 MB
https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn	1.5 KB	294 B
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	3.8 KB	13.2 KB

Make each CSS response small (optimalCssSize)

https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.cite.styles%7Cext.phonos.icons%2Cstyles%7Cext.relatedArticles.styles%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cmediawiki.hlist%7Cmediawiki.page.gallery.styles%7Cmobile.init.styles%7Cskins.minerva.codex.styles%7Cskins.minerva.content.styles.images%7Cskins.minerva.icons%2Cstyles%7Cwikibase.client.init&only=styles&skin=minerva size is 21.3 kB (21274) and that is bigger than the limit of 14.5 kB. Try to make the CSS files fit into 14.5 KB.

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:

URL	Transfer size	Content size
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	20.8 KB	154.7 KB

Don't use private headers on static content (privateAssets)

The page has 3 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.

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://vi.wikipedia.org/wiki/Vincent_van_Gogh

https://vi.wikipedia.org/wiki/Special:CentralAutoLogin/start?useformat=mobile&type=script&usesul3=1

https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn

Best practice advice (89)

Title	Advice	Score
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://vi.wikipedia...ia.org/w/load.php has a header sourcemap that is 1215 characters long.	99
Description: Do not send response headers that are too long.
Offenders: https://vi.wikipedia.org/w/load.php...ia.org/w/load.php
Avoid unnecessary headers (unnecessaryHeaders)	There are 23 responses that sets both a max-age and expires header. There are 28 responses that sets a server header.	49
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://vi.wikipedia.org/wiki/Vincent_van_Gogh https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php?lang=vi&modules=site.styles&only=styles&skin=minerva https://vi.wikipedia.org/w/load.php?lang=vi&modules=site.styles&only=styles&skin=minerva https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Vincent_van_Gogh_-_Sel..._%28454045%29.jpg https://vi.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg https://vi.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg https://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Vincent_van_Gogh_signa...incent%29.svg.png https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/wiki/Special:CentralAutoLogin/start?useformat=mobile&type=script&usesul3=1 https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/load.php...ia.org/w/load.php https://vi.wikipedia.org/w/api.php?action=webapp-manifest https://vi.wikipedia.org/w/api.php?action=webapp-manifest https://vi.wikipedia.org/static/favicon/wikipedia.ico https://vi.wikipedia.org/static/favicon/wikipedia.ico https://vi.wikipedia.org/static/apple-touch/wikipedia.png https://vi.wikipedia.org/static/apple-touch/wikipedia.png

Privacy advice (88)

Title	Advice	Score
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://vi.wikipedia.org/wiki/Vincent_van_Gogh
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://vi.wikipedia.org/wiki/Vincent_van_Gogh

Page info

Page info
Title	Vincent van Gogh – Wikipedia tiếng Việt
Generator	MediaWiki 1.45.0-wmf.24
Width	360
Height	7088
DOM elements	4557
Avg DOM depth	12
Max DOM depth	19
Iframes	0
Script tags	7
Local storage	738.0 KB
Session storage	0 b
Network Information API	4g

Resource Hints
dns-prefetch
https://meta.wikimedia.org/
https://vi.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.

Technology	Confidence	Category
MediaWiki	100	Wikis
PHP	100	Programming languages
Apache Traffic Server 9.2.11	100	Web servers
HSTS	100	Security

Visual Metrics

Visual Metrics
First Visual Change	10.333 s
Speed Index	11.030 s
Largest Image	10.333 s
Heading	10.333 s
LargestContentfulPaint	12.566 s
Last Meaningful Paint	12.566 s
Largest Contentful Paint	12.566 s
Visual Complete 85%	10.866 s
Visual Complete 95%	15.366 s
Visual Complete 99%	15.366 s
Last Visual Change	15.400 s
Visual Readiness	5.067 s

Browser Metrics

Navigation Timing
backEndTime	9.598 s
domContentLoadedTime	11.943 s
domInteractiveTime	11.943 s
domainLookupTime	177 ms
frontEndTime	2.558 s
pageDownloadTime	472 ms
pageLoadTime	12.628 s
redirectionTime	0 ms
serverConnectionTime	200 ms
serverResponseTime	9.689 s

Google Web Vitals
Time to first byte (TTFB)	9.598 s
First Contentful Paint (FCP)	10.344 s
Largest Contentful Paint (LCP)	10.880 s
Total Blocking Time (TBT)	1.161 s

First Contentful Paint info
Elements that needed recalculate style before FCP	96
Time spent in recalculate style before FCP	46.716 ms

Extra timings
TTFB	9.598 s
First Paint	10.344 s
Load Event End	12.632 s
Fully loaded	13.054 s

User Timing marks
mwStartup	10.511 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 type	P
Element/tag	<p></p>
Render time	10.880 s
Element render delay	1.282 s
TTFB	9.598 s
Resource delay	0 ms
Resource load duration	0 ms
Elements that needed recalculate style before LCP	492
Time spent in recalculate style before LCP	102.37 ms
Load time	0 ms
*Size (widthheight)**	102678
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 > p:eq(1)> div#mw-mf-viewport > div#mw-mf-page-center > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > section#mf-section-0 > p:eq(1)>

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

No layout shift detected.

Long Animation Frames

Read more about the Long Animation Frames API here here.

The top 10 longest animation frames entries

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
375.5 ms	238.2 ms	200.5 ms	198 ms	2.5 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Invoker: IdleRequestCallback Invoker Type: user-callback Source Function Name: doPropagation Window attribution: self Source char position: 4314
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Forced Style And Layout Duration: 58 ms Invoker: FrameRequestCallback Invoker Type: user-callback Source Function Name: flushCssBuffer Window attribution: self Source char position: 3240

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
224.6 ms	26.1 ms	263.9 ms	0 ms	263.9 ms
No availible script information.

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
178.9 ms	54 ms	182.9 ms	151.4 ms	31.5 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Invoker: FrameRequestCallback Invoker Type: user-callback Source Function Name: flushCssBuffer Window attribution: self Source char position: 3240

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
178.6 ms	225 ms	5.2 ms	3.7 ms	1.5 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a
Forced Style And Layout Duration: 22 ms Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 263906

Blocking duration

Work duration

Render duration

PreLayout Duration

Style And Layout Duration

178.6 ms

225 ms

5.2 ms

3.7 ms

1.5 ms

https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a

Forced Style And Layout Duration: 22 ms

Invoker: TimerHandler:setTimeout
Invoker Type: user-callback
Window attribution: self
Source char position: 263906

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
149.7 ms	192.6 ms	21.1 ms	20.3 ms	0.8 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 263906

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
102.1 ms	673.5 ms	2.5 ms	2.5 ms	0 ms
https://vi.wikipedia.org/wiki/Vincent_van_Gogh
Invoker: https://vi.wikipedia.org/wiki/Vincent_van_Gogh Invoker Type: classic-script Window attribution: self

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
92.8 ms	67.3 ms	107 ms	94.8 ms	12.2 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 263906
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 263906
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Invoker: IdleRequestCallback Invoker Type: user-callback Source Function Name: doPropagation Window attribution: self Source char position: 4314
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Invoker: FrameRequestCallback Invoker Type: user-callback Source Function Name: flushCssBuffer Window attribution: self Source char position: 3240

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
62.5 ms	112.5 ms	0 ms	0 ms	0 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Invoker: IdleRequestCallback Invoker Type: user-callback Source Function Name: flushWrites Window attribution: self Source char position: 19340

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
18.9 ms	87.6 ms	2.2 ms	2.1 ms	0.1 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a
Forced Style And Layout Duration: 2 ms Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 263906
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 263906

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
0 ms	133.7 ms	1 ms	0 ms	1 ms
No availible script information.

Server timings

name	duration	description
cache	0	miss
host	0	cp3070

Custom metrics collected through JavaScript

There are no custom configured scripts.

Extra metrics collected using scripting

There are no custom extra metrics from scripting.

CDP Performance

name	value
AudioHandlers	0
AudioWorkletProcessors	0
Documents	41
Frames	24
JSEventListeners	605
LayoutObjects	1056
MediaKeySessions	0
MediaKeys	0
Nodes	9932
Resources	33
ContextLifecycleStateObservers	51
V8PerContextDatas	3
WorkerGlobalScopes	0
UACSSResources	0
RTCPeerConnections	0
ResourceFetchers	41
AdSubframes	0
DetachedScriptStates	2
ArrayBufferContents	2
LayoutCount	23
RecalcStyleCount	27
LayoutDuration	365
RecalcStyleDuration	286
DevToolsCommandDuration	361
ScriptDuration	1447
V8CompileDuration	19
TaskDuration	3362
TaskOtherDuration	885
ThreadTime	15
ProcessTime	27
JSHeapUsedSize	7996920
JSHeapTotalSize	11415552
FirstMeaningfulPaint	10878

Visual Elements

Name	Display Time	X	Y	Width	Height
LargestImage (wikipedia-wordmark-en.svg)	10.333 s	53	18	120	18
<img src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" alt="Wikipedia" width="120" height="18" style="width: 7.5em; height: 1.125em;">
Heading	10.333 s	16	75	328	37
<h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
LargestContentfulPaint	12.566 s	16	322	328	483
<p></p>

PageXray

How the page is built.

Summary
HTTP version	HTTP/2.0
Total requests	28
Total domains	3
Total transfer size	594.1 KB
Total content size	2.0 MB
Responses missing compression	7
Number of cookies	9
Third party cookies	0

Requests per response code
200	27
302	1

Largest assets on the page (by transfer size)

URL	Type	Transfer Size	Content Size
https://vi.wikipedia...ia.org/w/load.php	javascript	258.7 KB	1.0 MB
https://upload.wikim..._%28454045%29.jpg	image	136.6 KB	135.4 KB
https://vi.wikipedia.../Vincent_van_Gogh	html	96.8 KB	485.0 KB
https://vi.wikipedia...ia.org/w/load.php	javascript	25.6 KB	81.0 KB
https://vi.wikipedia...ia.org/w/load.php	css	20.8 KB	154.7 KB
https://vi.wikipedia...ia.org/w/load.php	javascript	20.2 KB	60.0 KB
https://upload.wikim...incent%29.svg.png	image	4.7 KB	3.7 KB
https://vi.wikipedia...ia.org/w/load.php	javascript	3.8 KB	13.2 KB
https://vi.wikipedia...a-wordmark-en.svg	svg	3.5 KB	6.0 KB
https://vi.wikipedia...uch/wikipedia.png	image	2.0 KB	1.3 KB
https://vi.wikipedia...con/wikipedia.ico	favicon	1.8 KB	2.7 KB
https://vi.wikipedia...dia.org/w/api.php	json	1.8 KB	270 B
https://vi.wikipedia...ia.org/w/load.php	css	1.5 KB	1.8 KB
https://auth.wikimed...gin/checkLoggedIn	javascript	1.5 KB	294 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.3 KB	707 B
https://vi.wikipedia...ia.org/w/load.php	css	1.3 KB	277 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.2 KB	585 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.2 KB	471 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.1 KB	318 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.1 KB	326 B

Requests and sizes per content type

Content	Transfer Size	Content Size	Requests
html	96.8 KB	485.0 KB	1
css	23.6 KB	156.7 KB	3
javascript	309.8 KB	1.2 MB	5
image	143.4 KB	140.3 KB	3
svg	17.0 KB	10.4 KB	13
json	1.8 KB	270 B	1
favicon	1.8 KB	2.7 KB	1
Total	594.1 KB	2.0 MB	27

Data per domain

Domain	Total download time	Transfer Size	Content Size	Requests
vi.wikipedia.org	13.943 s	451.3 KB	1.8 MB	25
upload.wikimedia.org	1.453 s	141.3 KB	139.1 KB	2
auth.wikimedia.org	352 ms	1.5 KB	294 B	1

Expires and last modified statistics

type	min	median	max
Expires	0 seconds	4 weeks	1 year
Last modified	25 minutes	3 weeks	6 years

Console log

The page logs the following messages to the console.

Level	Message
WARNING	https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva 11:149 "This page is using the deprecated ResourceLoader module \"jquery.ui\".\nPlease use Codex instead."
WARNING	https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a 303:872 "jQuery.Deferred exception: Cannot read properties of null (reading 'getStreamConfig')" "TypeError: Cannot read properties of null (reading 'getStreamConfig')\n at UnenrolledExperiment.setStream (https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:196:124)\n at https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:189:445\n at mightThrow (https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:301:983)\n at process (https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:302:643)" undefined
INFO	https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a 941:11061 "Tìm hiểu thêm về cách chúng tôi xây dựng trang di động @ https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:MobileFrontend"
WARNING	https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a 303:872 "jQuery.Deferred exception: Cannot read properties of null (reading 'getStreamConfig')" "TypeError: Cannot read properties of null (reading 'getStreamConfig')\n at UnenrolledExperiment.setStream (https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:196:124)\n at https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:185:715\n at mightThrow (https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:301:983)\n at process (https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a:302:643)" undefined

Requests loaded after onLoad event

Included requests done after load event end.

Content	Transfer Size	Requests
html	0 b	0
css	0 b	0
javascript	0 b	0
image	2.0 KB	1
font	0 b	0
json	1.8 KB	1
favicon	1.8 KB	1
Total	5.6 KB	3

Requests loaded after onContentLoad

Includes requests done after DOM content loaded.

Content	Transfer Size	Requests
html	0 b	0
css	0 b	0
javascript	3.8 KB	1
image	2.0 KB	1
font	0 b	0
json	1.8 KB	1
favicon	1.8 KB	1
Total	9.4 KB	4

Render blocking requests

Render blocking information directly from Chrome.

Blocking	In body parser blocking	Potentially blocking
3	0	1

Render information

URL	Type
https://vi.wikipedia...ia.org/w/load.php	non_blocking
https://vi.wikipedia...ia.org/w/load.php	non_blocking
https://vi.wikipedia...ia.org/w/load.php	blocking
https://vi.wikipedia...ia.org/w/load.php	potentially_blocking
https://vi.wikipedia...ia.org/w/load.php	non_blocking
https://vi.wikipedia...ia.org/w/load.php	blocking
https://auth.wikimed...gin/checkLoggedIn	non_blocking
https://vi.wikipedia...ia.org/w/load.php	blocking
https://vi.wikipedia...alAutoLogin/start	non_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.

Type	Quantity	Total duration (ms)
Total Blocking Time		1161
Max Potential First Input Delay		285
Long Tasks before First Paint	1	161
Long Tasks before First Contentful Paint	1	161
Long Tasks before Largest Contentful Paint	2	446
Long Tasks after Load Event End	1	112
Total Long Tasks	10	1772

CPU last long task happened at 13.139 s

Individual Long Tasks

name	startTime	duration	containerType
unknown	10174	161	window
unknown	10583	285	window
self	11054	225	window
self	11280	209	window
self	11559	115	window
self	11727	198	window
self	12043	66	window
self	12117	223	window
self	12368	178	window
self	13139	112	window

CPU time spent

Calculated using Tracium.

Categories (ms)
parseHTML	207
styleLayout	666
paintCompositeRender	81
scriptParseCompile	19
scriptEvaluation	1405
garbageCollection	23
other	826

Events (ms)
FunctionCall	1186
RunTask	516
Layout	371
UpdateLayoutTree	283
ParseHTML	191
CpuProfiler::StartProfiling	97
V8.HandleInterrupts	83
v8.run	81
Paint	54
DecodedDataDocumentParser::AppendBytes	52
DocumentLoader::BodyLoadingFinished	43
DocumentLoader::CommitNavigation	28
PrePaint	27
v8.compile	19
Layerize	18
PaintImage	18
ParseAuthorStyleSheet	14
RunMicrotasks	14
HTMLDocumentParser::MaybeFetchQueuedPreloads	11

Time spent per request

URL	CPU time (ms)
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva	904
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2CstartUp%7Cext.centralauth.ForeignApi%2Ccentralautologin%7Cext.checkUser.clientHints%7Cext.cite.ux-enhancements%7Cext.cx.entrypoints.languagesearcher.init%7Cext.cx.entrypoints.mffrequentlanguages%7Cext.cx.eventlogging.campaigns%7Cext.cx.model%7Cext.echo.centralauth%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%2CxLab%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.xLab%7Cjquery%2Coojs%2Csite%7Cjquery.client%2Cui%7Cmediawiki.DateFormatter%2CForeignApi%2CString%2CTitle%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Crouter%2Cstorage%2Ctemplate%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.ForeignApi.core%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.media%2Cready%7Cmediawiki.page.watch.ajax%7Cmediawiki.template.mustache%7Cmobile.codex.styles%7Cmobile.init%2Cstartup%7Cmobile.pagesummary.styles%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts&skin=minerva&version=llp0a	714
https://vi.wikipedia.org/wiki/Vincent_van_Gogh	15

| afterPageCompleteCheck.jpg | layoutShift.jpg | largestContentfulPaint.jpg |

Screenshots

afterPageCompleteCheck.jpg

layoutShift.jpg

largestContentfulPaint.jpg

Run 1 summary

https://vi.wikipedia.org/wiki/Vincent_van_Gogh

Summary

Waterfall

Video

Filmstrip

Coach

Coach score

Performance advice (76)

Best practice advice (89)

Privacy advice (88)

Page info

Technologies used to build the page.

Visual Metrics

Browser Metrics

Largest Contentful Paint

Detected Cumulative Layout Shift

Long Animation Frames

Server timings

Custom metrics collected through JavaScript

Extra metrics collected using scripting

CDP Performance

Visual Elements

PageXray

Largest assets on the page (by transfer size)

Requests and sizes per content type

Data per domain

Expires and last modified statistics

Console log

Requests loaded after onLoad event

Requests loaded after onContentLoad

Render blocking requests

Render information

CPU

Long Tasks

Individual Long Tasks

CPU time spent

Time spent per request

Screenshots