Run 6 summary

https://en.wikipedia.beta.wmcloud.org/wiki/Barack_Obama

Tested 2025-10-27 01:00:58 using Firefox 144.0 (runtime settings).

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SummaryWaterfall MetricsVideoFilmstrip PageXrayCPU Screenshots

Summary

MetricValue
Page metrics
Total page size16.5 KB
Requests12
Timing metrics
TTFB780 ms
First Paint1.882 s
Fully Loaded3.869 s
Google Web Vitals
TTFB780 ms
First Contentful Paint (FCP) 1.881 s
Largest Contentful Paint (LCP) 3.257 s
120 ms
Visual Metrics
First Visual Change1.966 s
Speed Index2.207 s
Visual Complete 85%2.600 s
Visual Complete 99%3.533 s
Last Visual Change4.666 s
Screenshot
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Video

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Filmstrip

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0 s
1.9 sFirst Contentful Paint 1.881 smwStartup 1.894 s
2 sDOM Content Loaded Time 1.902 sFirst Visual Change 1.966 s
2.1 s
2.2 s
2.3 s
2.4 s
2.5 s
2.6 sVisual Complete 85% 2.600 s
2.7 s
2.8 s
2.9 s
3 s
3.1 s
3.2 s
3.3 sLCP <IMG> 3.257 s
3.5 smwCentralNoticeBanner 3.463 s
3.6 sVisual Complete 95% 3.533 sVisual Complete 99% 3.533 sLargest Image 3.533 sHeading 3.533 s
3.7 sPage Load Time 3.689 s
3.9 sFully Loaded 3.869 s
4 s
4.6 s
4.7 sLast Visual Change 4.666 s
| Browser metrics | Visual Metrics | Largest Contentful Paint | Interaction To Next Paint | Visual Elements | Metrics from CDP | Server timings | 

Visual Metrics

Visual Metrics
First Visual Change1.966 s
Speed Index2.207 s
Largest Image3.533 s
Heading3.533 s
LargestContentfulPaint3.533 s
Last Meaningful Paint3.533 s
Largest Contentful Paint3.533 s
Visual Complete 85%2.600 s
Visual Complete 95%3.533 s
Visual Complete 99%3.533 s
Last Visual Change4.666 s
Visual Readiness2.700 s

Browser Metrics

Navigation Timing
backEndTime780 ms
domContentLoadedTime1.902 s
domInteractiveTime1.867 s
domainLookupTime173 ms
frontEndTime2.909 s
pageDownloadTime0 ms
pageLoadTime3.689 s
redirectionTime0 ms
serverConnectionTime390 ms
serverResponseTime198 ms
Google Web Vitals
Time to first byte (TTFB)780 ms
First Contentful Paint (FCP)1.881 s
Largest Contentful Paint (LCP)3.257 s
Interaction to next paint (INP)120 ms
Extra timings
TTFB780 ms
Time To Contentful Paint1.937 s
Time To First Interactive3.242 s
Load Event End3.689 s
Fully loaded3.869 s
User Timing marks
mwStartup1.894 s
mwCentralNoticeBanner3.463 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 typeIMG
Element/tag<img alt="Obama standing with his arms folded and smiling" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/President_Barack_Obama.jpg/250px-President_Barack_Obama.jpg" decoding="async" width="250" height="312" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/President_Barack_Obama.jpg/500px-President_Barack_Obama.jpg 1.5x" data-file-width="2687" data-file-height="3356">
Render time 3.257 s
Element render delay14 ms
TTFB780 ms
Resource delay271 ms
Resource load duration2.192 s
Load time3.245 s
URL https://upload.wikim..._Barack_Obama.jpg
Size (width*height)78000
DOM path
div:eq(1) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > table:eq(0) > tbody > tr:eq(1) > td > span > a > img> div:eq(1) > div > div:eq(2) > main#content > div#bodyContent > div#mw-content-text > div:eq(0) > table:eq(0) > tbody > tr:eq(1) > td > span > a > img>
LCP

The largest contentful paint is highlighted in the image. If no element is highlighted the element was removed before the screenshot or the LCP API couldn't find the element.

The Largest Contentful Paint API highlighted this image as a part of the LCP.

LCP

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 120 ms.

Event typepointerover
Element typeHTML
Element class nameclient-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day ext-summaries-clientpref-0 vector-toc-available vector-animations-ready ve-available
Event targethtml.client-js.vector-feature-language-in-header-enabled.vector-feature-language-in-main-page-header-disabled.vector-feature-page-tools-pinned-disabled.vector-feature-toc-pinned-clientpref-1.vector-feature-main-menu-pinned-disabled.vector-feature-limited-width-clientpref-1.vector-feature-limited-width-content-enabled.vector-feature-custom-font-size-clientpref-1.vector-feature-appearance-pinned-clientpref-1.vector-feature-night-mode-enabled.skin-theme-clientpref-day.ext-summaries-clientpref-0.vector-toc-available.vector-animations-ready.ve-available
Load state when the event happenedloading

Server timings

namedurationdescription
cache0hit-local
host0deployment-cache-text08

Custom metrics collected through JavaScript

There are no custom configured scripts.

Extra metrics collected using scripting

There are no custom extra metrics from scripting.

Visual Elements

NameDisplay TimeX YWidthHeight
LargestImage (250px-President_Barack_Obama.jpg)3.533 s 1154 364 250 312
<img alt="Obama standing with his arms folded and smiling" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/President_Barack_Obama.jpg/250px-President_Barack_Obama.jpg" decoding="async" width="250" height="312" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/President_Barack_Obama.jpg/500px-President_Barack_Obama.jpg 1.5x" data-file-width="2687" data-file-height="3356">
Heading3.533 s 486 186 797 40
<h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
LargestContentfulPaint (250px-President_Barack_Obama.jpg)3.533 s 1154 364 250 312
<img alt="Obama standing with his arms folded and smiling" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/President_Barack_Obama.jpg/250px-President_Barack_Obama.jpg" decoding="async" width="250" height="312" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/President_Barack_Obama.jpg/500px-President_Barack_Obama.jpg 1.5x" data-file-width="2687" data-file-height="3356">
| Summary  | Largest responses  | Requests and sizes per content type  | Data per domain | Expires and last modified statistics  | 

PageXray

How the page is built.

Summary
HTTP versionHTTP/1.1
Total requests12
Total domains3
Total transfer size16.5 KB
Total content size0 b
Responses missing compression0
Number of cookies1
Third party cookies0
Requests per response code
20012

Largest assets on the page (by transfer size)

URLTypeTransfer SizeContent Size
https://en.wikipedia...uch/wikipedia.pngimage2.2 KB0 b
https://en.wikipedia...ipedia-purple.pngimage2.1 KB0 b
https://auth.wikimed...gin/checkLoggedInjavascript1.7 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.5 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.3 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.3 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.3 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.3 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.3 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.3 KB0 b
https://en.wikipedia...ud.org/w/load.phpsvg1.3 KB0 b
https://upload.wikim...bin_Laden.ogv.jpgimage0 b0 b

Requests and sizes per content type

ContentHeader SizeTransfer SizeContent SizeRequests
javascript1.5 KB1.7 KB0 b1
image1.8 KB4.3 KB0 b3
svg8.4 KB10.5 KB0 b8
Total11.7 KB16.5 KB0 b12

Data per domain

DomainTotal download timeTransfer SizeContent SizeRequests
upload.wikimedia.org0 ms0 b0 b1
en.wikipedia.beta.wmcloud.org3.993 s14.8 KB0 b10
auth.wikimedia.beta.wmcloud.org382 ms1.7 KB0 b1

Expires and last modified statistics

typeminmedianmax
Expires0 seconds4 weeks1 year
Last modified41 weeks1 year1 year

CPU

| afterPageCompleteCheck.jpg | largestContentfulPaint.jpg | 

Screenshots

afterPageCompleteCheck.jpg

afterPageCompleteCheck.jpg

largestContentfulPaint.jpg

largestContentfulPaint.jpg