Run 6 summary

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

Tested 2025-12-07 11:36:29 using Firefox 144.0.2 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip PageXrayCPU Screenshots

Summary

MetricValue
Page metrics
Total page size1.6 MB
Requests105
Timing metrics
TTFB686 ms
First Paint1.751 s
Fully Loaded3.714 s
Google Web Vitals
TTFB686 ms
First Contentful Paint (FCP) 1.626 s
Largest Contentful Paint (LCP) 3.186 s
Visual Metrics
First Visual Change1.800 s
Speed Index2.051 s
Visual Complete 85%2.533 s
Visual Complete 99%3.400 s
Last Visual Change4.500 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
1.7 sFirst Contentful Paint 1.626 s
1.8 smwStartup 1.782 sDOM Content Loaded Time 1.787 sFirst Visual Change 1.800 s
1.9 s
2 s
2.1 s
2.2 s
2.6 sVisual Complete 85% 2.533 s
2.7 s
2.8 s
2.9 s
3 s
3.1 s
3.2 sLCP <IMG> 3.186 s
3.3 s
3.4 smwCentralNoticeBanner 3.305 sVisual Complete 95% 3.367 sLargest Image 3.367 sHeading 3.367 sVisual Complete 99% 3.400 s
3.6 s
3.7 sPage Load Time 3.627 s
3.8 sFully Loaded 3.714 s
4.4 s
4.5 sLast Visual Change 4.500 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)686 ms
First Contentful Paint (FCP)1.626 s
Largest Contentful Paint (LCP)3.186 s
Extra timings
TTFB686 ms
Time To Contentful Paint1.762 s
Time To First Interactive3.135 s
Load Event End3.627 s
Fully loaded3.714 s
User Timing marks
mwStartup1.782 s
mwCentralNoticeBanner3.305 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 3.186 s
Element render delay18 ms
TTFB686 ms
Resource delay264 ms
Resource load duration2.218 s
Load time3.171 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

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)3.367 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">
Heading3.367 s 486 186 797 40
<h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
LargestContentfulPaint (250px-President_Barack_Obama.jpg)3.367 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 requests105
Total domains5
Total transfer size1.6 MB
Total content size0 b
Responses missing compression0
Number of cookies76
Third party cookies69
Requests per response code
200104
3021

Largest assets on the page (by transfer size)

Requests and sizes per content type

ContentHeader SizeTransfer SizeContent SizeRequests
html5.2 KB230.6 KB0 b1
css2.4 KB28.7 KB0 b2
javascript10.2 KB370.5 KB0 b7
image94.0 KB982.2 KB0 b78
svg16.4 KB21.8 KB0 b16
Total128.2 KB1.6 MB0 b104

Data per domain

DomainTotal download timeTransfer SizeContent SizeRequests
en.wikipedia.beta.wmcloud.org11.468 s653.4 KB0 b27
upload.wikimedia.org100.822 s974.8 KB0 b74
upload.wikimedia.beta.wmcloud.org998 ms3.1 KB0 b2
meta.wikimedia.beta.wmcloud.org343 ms1.9 KB0 b1
auth.wikimedia.beta.wmcloud.org289 ms1.8 KB0 b1

Expires and last modified statistics

typeminmedianmax
Expires0 seconds0 seconds1 year
Last modified2 weeks37 weeks11 years

CPU

afterPageCompleteCheck.jpg | largestContentfulPaint.jpg | 

Screenshots

afterPageCompleteCheck.jpg

afterPageCompleteCheck.jpg

largestContentfulPaint.jpg

largestContentfulPaint.jpg