Run 3 summary

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

Tested 2025-10-27 00:59:31 using Firefox 144.0 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip PageXrayCPU Screenshots

Summary

MetricValue
Page metrics
Total page size1.3 MB
Requests89
Timing metrics
TTFB776 ms
First Paint1.858 s
Fully Loaded473 ms
Google Web Vitals
TTFB776 ms
First Contentful Paint (FCP) 1.728 s
Largest Contentful Paint (LCP) 3.374 s
Visual Metrics
First Visual Change1.933 s
Speed Index2.193 s
Visual Complete 85%2.733 s
Visual Complete 99%3.533 s
Last Visual Change4.666 s
Screenshot
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Waterfall

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Video

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| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
0.5 sFully Loaded 473 ms
1.8 sFirst Contentful Paint 1.728 s
1.9 smwStartup 1.892 sDOM Content Loaded Time 1.896 s
2 sFirst Visual Change 1.933 s
2.1 s
2.2 s
2.3 s
2.8 sVisual Complete 85% 2.733 s
3.1 s
3.2 s
3.3 s
3.4 sLCP <IMG> 3.374 s
3.5 smwCentralNoticeBanner 3.442 s
3.6 sVisual Complete 95% 3.533 sVisual Complete 99% 3.533 sLargest Image 3.533 sHeading 3.533 s
3.7 s
3.8 sPage Load Time 3.743 s
4.6 s
4.7 sLast Visual Change 4.666 s
| Browser metrics | Visual Metrics | Largest Contentful Paint | Visual Elements | Metrics from CDP | Server timings | 

Visual Metrics

Browser Metrics

Google Web Vitals
Time to first byte (TTFB)776 ms
First Contentful Paint (FCP)1.728 s
Largest Contentful Paint (LCP)3.374 s
Extra timings
TTFB776 ms
Time To Contentful Paint1.864 s
Time To First Interactive3.110 s
Load Event End3.743 s
Fully loaded473 ms
User Timing marks
mwStartup1.892 s
mwCentralNoticeBanner3.442 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 3.374 s
Element render delay17 ms
TTFB776 ms
Resource delay274 ms
Resource load duration2.306 s
Load time3.358 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

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/2.0
Total requests89
Total domains4
Total transfer size1.3 MB
Total content size0 b
Responses missing compression0
Number of cookies74
Third party cookies69
Requests per response code
20088
3021

Largest assets on the page (by transfer size)

Requests and sizes per content type

ContentHeader SizeTransfer SizeContent SizeRequests
css2.4 KB28.7 KB0 b2
javascript8.8 KB366.3 KB0 b6
image92.2 KB932.4 KB0 b72
svg8.1 KB11.3 KB0 b8
Total111.5 KB1.3 MB0 b88

Data per domain

DomainTotal download timeTransfer SizeContent SizeRequests
en.wikipedia.beta.wmcloud.org6.089 s405.5 KB0 b16
upload.wikimedia.org107.210 s929.3 KB0 b70
upload.wikimedia.beta.wmcloud.org988 ms3.1 KB0 b2
meta.wikimedia.beta.wmcloud.org403 ms1.9 KB0 b1

Expires and last modified statistics

typeminmedianmax
Expires0 seconds0 seconds1 year
Last modified1 week31 weeks11 years

CPU

afterPageCompleteCheck.jpg | largestContentfulPaint.jpg | 

Screenshots

afterPageCompleteCheck.jpg

afterPageCompleteCheck.jpg

largestContentfulPaint.jpg

largestContentfulPaint.jpg