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

Summary

Metric	Value
Page metrics
Performance score	84
Total page size	642.8 KB
Requests	30
Timing metrics
TTFB	414 ms
First Paint	1.000 s
Fully Loaded	7.770 s
Google Web Vitals
TTFB	414 ms
First Contentful Paint (FCP)	1.000 s
Largest Contentful Paint (LCP)	1.312 s
Cumulative Layout Shift (CLS)	0.00
104 ms
Total Blocking Time	1.128 s
Max Potential FID	280 ms
CPU metrics
CPU long tasks	14
CPU last long task happens at	4.045 s
Visual Metrics
First Visual Change	1.000 s
Speed Index	1.635 s
Visual Complete 85%	1.300 s
Visual Complete 99%	7.033 s
Last Visual Change	15.400 s

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| Waterfall | | Download HAR |

Waterfall

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Video

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| Filmstrip |

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s

0.9 sCPU Long Task duration 139 ms

1 sFirst Contentful Paint 1.000 sFirst Visual Change 1.000 sLargest Image 1.000 sHeading 1.000 s

1.1 s

1.2 sCPU Long Task duration 116 ms

1.3 sVisual Complete 85% 1.300 s

1.4 sLCP <P> mwDw 1.312 sCPU Long Task duration 50 msmwStartup 1.336 sCPU Long Task duration 88 ms

1.5 s

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1.7 sCPU Long Task duration 119 ms

1.8 sCPU Long Task duration 95 ms

1.9 sDOM Content Loaded Time 1.837 s

2 sPage Load Time 1.942 sCPU Long Task duration 264 ms

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2.3 sCPU Long Task duration 185 ms

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2.6 sCPU Long Task duration 87 msCPU Long Task duration 75 ms

2.7 sCPU Long Task duration 150 ms

2.8 s

2.9 sCPU Long Task duration 280 ms

3 s

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3.2 sCPU Long Task duration 155 ms

3.3 sVisual Complete 95% 3.266 s

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4 s

4.1 sCPU Long Task duration 114 ms

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7.1 sVisual Complete 99% 7.033 s

7.2 s

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7.6 s

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7.8 sFully Loaded 7.770 s

7.9 s

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15.4 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 88
Performance score 84
Privacy score 94
Best practice score 89

Performance advice (84)

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

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.

Avoid CPU Long Tasks (longTasks)

The page has 15 CPU long tasks with the total of 2.471 s. The total blocking time is 1.632 s and 1 long task before first contentful paint with total time of 139 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

unknown

self

unknown

self

unknown

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 332.9 kB and the uncompressed size is 1.3 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	20.9 KB	62.4 KB
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	25.7 KB	81.0 KB
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	9.0 KB	25.1 KB
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	264.2 KB	1.0 MB
https://vi.wikipedia.org/w/load.php...ia.org/w/load.php	3.9 KB	13.2 KB
https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn	1.4 KB	254 B

Make each CSS response small (optimalCssSize)

https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.cite.parsoid.styles%7Cext.cite.styles%7Cext.phonos.icons%2Cstyles%7Cext.relatedArticles.styles%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cext.wp25EasterEggs.styles%7Cmediawiki.hlist%7Cmediawiki.page.gallery.styles%7Cmediawiki.skinning.content.parsoid%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 22.7 kB (22659) 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	22.1 KB	163.4 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.../Vincent_van_Gogh has a header content-security-policy that is 1388 characters long. https://vi.wikipedia.../Vincent_van_Gogh has a header content-security-policy-report-only that is 1397 characters long. https://vi.wikipedia...ia.org/w/load.php has a header sourcemap that is 1229 characters long. https://vi.wikipedia...alAutoLogin/start has a header content-security-policy that is 1388 characters long. https://vi.wikipedia...alAutoLogin/start has a header content-security-policy-report-only that is 1397 characters long. https://auth.wikimed...gin/checkLoggedIn has a header content-security-policy that is 1388 characters long. https://auth.wikimed...gin/checkLoggedIn has a header content-security-policy-report-only that is 1397 characters long.	93
Description: Do not send response headers that are too long.
Offenders: https://vi.wikipedia.org/wiki/Vincent_van_Gogh https://vi.wikipedia.org/wiki/Vincent_van_Gogh 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://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://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn
Avoid unnecessary headers (unnecessaryHeaders)	There are 24 responses that sets both a max-age and expires header. There are 30 responses that sets a server header.	46
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://vi.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg https://vi.wikipedia.org/static/images/mobile/copyright/wikipedia-wordmark-en.svg https://vi.wikipedia.org/w/api.php?action=webapp-manifest https://vi.wikipedia.org/w/api.php?action=webapp-manifest 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/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/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://vi.wikipedia.org/static/favicon/wikipedia.ico https://vi.wikipedia.org/static/favicon/wikipedia.ico 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/static/apple-touch/wikipedia.png https://vi.wikipedia.org/static/apple-touch/wikipedia.png https://auth.wikimedia.org/metawiki/wiki/Special:CentralAutoLogin/checkLoggedIn...gin/checkLoggedIn https://vi.wikipedia.org/evt-103e/v2/events?hasty=true

Privacy advice (94)

Title	Advice	Score
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 1.46.0-wmf.21
Width	360
Height	7092
DOM elements	4966
Avg DOM depth	15
Max DOM depth	22
Iframes	0
Script tags	7
Local storage	787.8 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
HSTS	100	Security

Visual Metrics

Visual Metrics
First Visual Change	1.000 s
Speed Index	1.635 s
Largest Image	1.000 s
Heading	1.000 s
LargestContentfulPaint	3.100 s
Last Meaningful Paint	3.100 s
Largest Contentful Paint	3.100 s
Visual Complete 85%	1.300 s
Visual Complete 95%	3.266 s
Visual Complete 99%	7.033 s
Last Visual Change	15.400 s
Visual Readiness	14.400 s

Browser Metrics

Navigation Timing
backEndTime	414 ms
domContentLoadedTime	1.837 s
domInteractiveTime	1.837 s
domainLookupTime	104 ms
frontEndTime	1.233 s
pageDownloadTime	295 ms
pageLoadTime	1.942 s
redirectionTime	0 ms
serverConnectionTime	200 ms
serverResponseTime	400 ms

Google Web Vitals
Time to first byte (TTFB)	414 ms
First Contentful Paint (FCP)	1.000 s
Largest Contentful Paint (LCP)	1.312 s
Interaction to next paint (INP)	104 ms
Total Blocking Time (TBT)	1.128 s

First Contentful Paint info
Elements that needed recalculate style before FCP	99
Time spent in recalculate style before FCP	51.678 ms

Extra timings
TTFB	414 ms
First Paint	1.000 s
Load Event End	1.942 s
Fully loaded	7.770 s

User Timing marks
mwStartup	1.336 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 id="mwDw"></p>
Render time	1.312 s
Element render delay	898 ms
TTFB	414 ms
Resource delay	0 ms
Resource load duration	0 ms
Elements that needed recalculate style before LCP	314
Time spent in recalculate style before LCP	87.931 ms
Element id	mwDw
Load time	0 ms
*Size (widthheight)**	102992
DOM path
div#mw-mf-viewport > div#mw-mf-page-center > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > section#mwAQ > p#mwDw> div#mw-mf-viewport > div#mw-mf-page-center > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > section#mwAQ > p#mwDw>

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.

Interaction to Next Paint

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

The measured latency was 104 ms.

Event type	mouseout
Element type	DIV
Element class name
Event target	#mw-mf-page-center
Load state when the event happened	loading

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
393.9 ms	266.8 ms	179.1 ms	177.5 ms	1.6 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: 35 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
225 ms	11.3 ms	271.9 ms	250.3 ms	21.6 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Forced Style And Layout Duration: 41 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

225 ms

11.3 ms

271.9 ms

250.3 ms

21.6 ms

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

Forced Style And Layout Duration: 41 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
135.6 ms	134.9 ms	65.9 ms	0 ms	65.9 ms
No availible script information.

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
130.1 ms	227.6 ms	3.6 ms	2.1 ms	1.5 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 276927
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7
Forced Style And Layout Duration: 1 ms Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 276927

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
126.4 ms	183.5 ms	21.3 ms	20.5 ms	0.8 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 276927
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 276927

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
84.6 ms	490.4 ms	1.9 ms	1.9 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
67.9 ms	85.4 ms	67.8 ms	67.7 ms	0.1 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva
Invoker: https://vi.wikipedia.org/w/load.php?lang=vi&modules=startup&only=scripts&raw=1&skin=minerva Invoker Type: classic-script Window attribution: self

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
67 ms	28.6 ms	106.8 ms	0 ms	106.8 ms
No availible script information.

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
64.5 ms	114.5 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
55.9 ms	66 ms	83 ms	73.6 ms	9.4 ms
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 276927
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7
Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 276927
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7
Forced Style And Layout Duration: 1 ms Invoker: TimerHandler:setTimeout Invoker Type: user-callback Window attribution: self Source char position: 276927
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

Server timings

name	duration	description
cache	0	hit-front
host	0	cp3070
WMF-Uniq	0	attribution-research-short-baseline-run=control;

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	569
LayoutObjects	1129
MediaKeySessions	0
MediaKeys	0
Nodes	10031
Resources	95
ContextLifecycleStateObservers	60
V8PerContextDatas	3
WorkerGlobalScopes	0
UACSSResources	0
RTCPeerConnections	0
ResourceFetchers	41
AdSubframes	0
DetachedScriptStates	2
ArrayBufferContents	2
LayoutCount	24
RecalcStyleCount	26
LayoutDuration	243
RecalcStyleDuration	293
DevToolsCommandDuration	786
ScriptDuration	1485
V8CompileDuration	19
TaskDuration	3896
TaskOtherDuration	1070
ThreadTime	18
ProcessTime	22
JSHeapUsedSize	7933192
JSHeapTotalSize	11296768
FirstMeaningfulPaint	1312

Visual Elements

Name	Display Time	X	Y	Width	Height
LargestImage (wikipedia-wordmark-en.svg)	1.000 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	1.000 s	16	75	328	37
<h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
LargestContentfulPaint	3.100 s	16	322	328	483
<p id="mwDw"></p>

PageXray

How the page is built.

Summary
HTTP version	HTTP/2.0
Total requests	30
Total domains	3
Total transfer size	642.8 KB
Total content size	2.2 MB
Responses missing compression	8
Number of cookies	9
Third party cookies	0

Requests per response code
200	28
202	1
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	264.2 KB	1.0 MB
https://upload.wikim..._%28454045%29.jpg	image	136.6 KB	135.4 KB
https://vi.wikipedia.../Vincent_van_Gogh	html	126.3 KB	704.1 KB
https://vi.wikipedia...ia.org/w/load.php	javascript	25.7 KB	81.0 KB
https://vi.wikipedia...ia.org/w/load.php	css	22.1 KB	163.4 KB
https://vi.wikipedia...ia.org/w/load.php	javascript	20.9 KB	62.4 KB
https://vi.wikipedia...ia.org/w/load.php	javascript	9.0 KB	25.1 KB
https://upload.wikim...incent%29.svg.png	image	4.7 KB	3.7 KB
https://vi.wikipedia...ia.org/w/load.php	javascript	3.9 KB	13.2 KB
https://vi.wikipedia...a-wordmark-en.svg	svg	3.6 KB	6.0 KB
https://vi.wikipedia...uch/wikipedia.png	image	2.1 KB	1.3 KB
https://vi.wikipedia...dia.org/w/api.php	json	2.0 KB	270 B
https://vi.wikipedia...con/wikipedia.ico	favicon	1.9 KB	2.7 KB
https://vi.wikipedia...ia.org/w/load.php	css	1.7 KB	1.8 KB
https://auth.wikimed...gin/checkLoggedIn	javascript	1.4 KB	254 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.4 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	1.3 KB	471 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.3 KB	585 B
https://vi.wikipedia...ia.org/w/load.php	svg	1.2 KB	318 B

Requests and sizes per content type

Content	Transfer Size	Content Size	Requests
html	126.3 KB	704.1 KB	1
css	25.0 KB	165.4 KB	3
javascript	325.1 KB	1.2 MB	6
image	143.5 KB	140.3 KB	3
svg	18.1 KB	10.4 KB	13
json	2.0 KB	270 B	1
favicon	1.9 KB	2.7 KB	1
plain	877 B	0 b	1
Total	642.8 KB	2.2 MB	29

Data per domain

Domain	Total download time	Transfer Size	Content Size	Requests
vi.wikipedia.org	5.660 s	500.0 KB	2.1 MB	27
upload.wikimedia.org	1.297 s	141.3 KB	139.1 KB	2
auth.wikimedia.org	208 ms	1.4 KB	254 B	1

Expires and last modified statistics

type	min	median	max
Expires	0 seconds	4 weeks	1 year
Last modified	20 hours	2 days	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%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7 103:520 "%s: The stream %s isn't registered. Has you added %s to $wgTestKitchenExperimentStreamNames?" "undefined" "product_metrics.web_base.attribution_research"
INFO	https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7 984:14087 "Tìm hiểu thêm về cách chúng tôi xây dựng trang di động @ https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:MobileFrontend"

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	5.4 KB	2
image	2.1 KB	1
font	0 b	0
favicon	1.9 KB	1
plain	877 B	1
Total	10.3 KB	6

Requests loaded after onContentLoad

Includes requests done after DOM content loaded.

Content	Transfer Size	Requests
html	0 b	0
css	0 b	0
javascript	5.4 KB	2
image	2.1 KB	1
font	0 b	0
favicon	1.9 KB	1
plain	877 B	1
Total	10.3 KB	6

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	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		1128
Max Potential First Input Delay		280
Long Tasks before First Paint	1	139
Long Tasks before First Contentful Paint	1	139
Long Tasks before Largest Contentful Paint	2	255
Long Tasks after Load Event End	8	1310
Total Long Tasks	14	1917

CPU last long task happened at 4.045 s

Individual Long Tasks

name	startTime	duration	containerType
unknown	848	139	window
unknown	1185	116	window
self	1333	50	window
unknown	1389	88	window
self	1613	119	window
unknown	1733	95	window
self	1947	264	window
self	2214	185	window
self	2502	87	window
self	2593	75	window
self	2669	150	window
self	2870	280	window
self	3181	155	window
self	4045	114	window

CPU time spent

Calculated using Tracium.

Categories (ms)
parseHTML	278
styleLayout	551
paintCompositeRender	83
scriptParseCompile	19
scriptEvaluation	1474
garbageCollection	20
other	926

Events (ms)
FunctionCall	1269
RunTask	587
UpdateLayoutTree	296
ParseHTML	262
Layout	248
v8.run	92
CpuProfiler::StartProfiling	84
DecodedDataDocumentParser::AppendBytes	72
DocumentLoader::BodyLoadingFinished	58
Paint	54
V8.HandleInterrupts	32
RunMicrotasks	26
PrePaint	25
DocumentLoader::CommitNavigation	23
PaintImage	19
v8.compile	19
ParseAuthorStyleSheet	16
Layerize	14
v8.callFunction	13
V8.BytecodeBudgetInterrupt	13
HTMLDocumentParser::MaybeFetchQueuedPreloads	10

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	1511
https://vi.wikipedia.org/w/load.php?lang=vi&modules=ext.centralNotice.choiceData%2CgeoIP%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%2CtestKitchen%2CwikimediaEvents%2Cwp25EasterEggs%7Cext.eventLogging.metricsPlatform%7Cext.growthExperiments.SuggestedEditSession%7Cext.phonos.init%7Cext.relatedArticles.readMore.bootstrap%7Cext.scribunto.logs%7Cext.urlShortener.toolbar%7Cext.wikimediaEvents.testKitchen%7Cjquery%2Coojs%2Csite%7Cjquery.client%2CtextSelection%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%7Cmw.cx.SiteMapper%7Cmw.externalguidance.init%7Cskins.minerva.scripts%7Cwikibase.databox.fromWikidata&skin=minerva&version=47jy7	627
https://vi.wikipedia.org/wiki/Vincent_van_Gogh	13

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Run 1 summary

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

Summary

Waterfall

Video

Filmstrip

Coach

Coach score

Performance advice (84)

Best practice advice (89)

Privacy advice (94)

Page info

Technologies used to build the page.

Visual Metrics

Browser Metrics

Largest Contentful Paint

Detected Cumulative Layout Shift

Interaction to Next Paint

Long Animation Frames

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Extra metrics collected using scripting

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Visual Elements

PageXray

Largest assets on the page (by transfer size)

Requests and sizes per content type

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Expires and last modified statistics

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CPU

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Screenshots