Run 5 summary

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

Tested 2025-12-07 16:11:15 using Firefox 144.0.2 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip PageXrayCPU Screenshots

Summary

MetricValue
Page metrics
Total page size6.0 KB
Requests5
Timing metrics
TTFB690 ms
First Paint1.758 s
Fully Loaded3.731 s
Google Web Vitals
TTFB690 ms
First Contentful Paint (FCP) 1.745 s
Largest Contentful Paint (LCP) 3.186 s
120 ms
Visual Metrics
First Visual Change1.833 s
Speed Index2.093 s
Visual Complete 85%2.566 s
Visual Complete 99%3.433 s
Last Visual Change4.566 s
Screenshot
| Waterfall | | Download HAR | 

Waterfall

| Video | Download | 

Video

Download video
| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
1.8 sFirst Contentful Paint 1.745 smwStartup 1.789 sDOM Content Loaded Time 1.795 s
1.9 sFirst Visual Change 1.833 s
2 s
2.1 s
2.2 s
2.6 sVisual Complete 85% 2.566 s
2.7 s
3 s
3.1 s
3.2 sLCP <IMG> 3.186 s
3.3 s
3.4 smwCentralNoticeBanner 3.340 s
3.5 sVisual Complete 95% 3.433 sVisual Complete 99% 3.433 sLargest Image 3.433 sHeading 3.433 s
3.6 sPage Load Time 3.589 s
3.8 sFully Loaded 3.731 s
4.5 s
4.6 sLast Visual Change 4.566 s
| Browser metrics | Visual Metrics | Largest Contentful Paint | Interaction To Next Paint | Visual Elements | Metrics from CDP | Server timings | 

Visual Metrics

Browser Metrics

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 3.186 s
Element render delay21 ms
TTFB690 ms
Resource delay266 ms
Resource load duration2.209 s
Load time3.173 s
URL https://upload.wikim..._Barack_Obama.jpg
Size (width*height)78000
DOM path
div:eq(2) > 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(2) > 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)3.433 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">
Heading3.433 s 486 186 797 40
<h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
LargestContentfulPaint (250px-President_Barack_Obama.jpg)3.433 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 requests5
Total domains3
Total transfer size6.0 KB
Total content size0 b
Responses missing compression0
Number of cookies1
Third party cookies0
Requests per response code
2005

Largest assets on the page (by transfer size)

Requests and sizes per content type

ContentHeader SizeTransfer SizeContent SizeRequests
javascript1.5 KB1.8 KB0 b1
image1.8 KB4.3 KB0 b4
Total3.3 KB6.0 KB0 b5

Data per domain

DomainTotal download timeTransfer SizeContent SizeRequests
upload.wikimedia.org0 ms0 b0 b2
auth.wikimedia.beta.wmcloud.org523 ms1.8 KB0 b1
en.wikipedia.beta.wmcloud.org396 ms4.3 KB0 b2

Expires and last modified statistics

typeminmedianmax
Expires0 seconds0 seconds1 year
Last modified47 weeks1 year1 year

CPU

afterPageCompleteCheck.jpg | largestContentfulPaint.jpg | 

Screenshots

afterPageCompleteCheck.jpg

afterPageCompleteCheck.jpg

largestContentfulPaint.jpg

largestContentfulPaint.jpg