Run 5 summary

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

Tested 2025-09-17 18:04:09 using Firefox 142.0.1 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip PageXrayCPU Screenshots

Summary

MetricValue
Page metrics
Total page size485.3 KB
Requests47
Timing metrics
TTFB849 ms
First Paint4.058 s
Google Web Vitals
TTFB849 ms
First Contentful Paint (FCP) 3.965 s
Largest Contentful Paint (LCP) 4.059 s
Visual Metrics
First Visual Change4.100 s
Speed Index4.401 s
Visual Complete 85%4.100 s
Visual Complete 99%7.300 s
Last Visual Change8.067 s
Screenshot
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Waterfall

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Video

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| Filmstrip | 

Filmstrip

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0 sFully Loaded 0 ms
4 sFirst Contentful Paint 3.965 s
4.1 sLCP <IMG> 4.059 sDOM Content Loaded Time 4.076 smwStartup 4.079 sFirst Visual Change 4.100 sVisual Complete 85% 4.100 s
4.2 s
4.3 s
4.4 s
4.5 s
4.7 s
5.2 s
5.3 s
5.4 s
5.5 s
6.6 s
6.7 sPage Load Time 6.604 s
6.8 s
6.9 s
7 smwCentralNoticeBanner 6.921 sVisual Complete 95% 6.933 sLargest Image 6.933 sHeading 6.933 s
7.2 s
7.3 sVisual Complete 99% 7.300 s
7.4 s
7.5 s
8 s
8.1 sLast Visual Change 8.067 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)849 ms
First Contentful Paint (FCP)3.965 s
Largest Contentful Paint (LCP)4.059 s
Extra timings
TTFB849 ms
Time To Contentful Paint4.067 s
Time To First Interactive6.782 s
Load Event End6.605 s
User Timing marks
mwStartup4.079 s
mwCentralNoticeBanner6.921 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 4.059 s
Element render delay1.490 s
TTFB849 ms
Resource delay469 ms
Resource load duration1.251 s
Load time3.944 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-remote
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)6.933 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">
Heading6.933 s 486 186 797 40
<h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
LargestContentfulPaint (250px-President_Barack_Obama.jpg)6.933 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 requests47
Total domains3
Total transfer size485.3 KB
Total content size0 b
Responses missing compression0
Number of cookies29
Third party cookies25
Requests per response code
20047

Largest assets on the page (by transfer size)

Requests and sizes per content type

ContentHeader SizeTransfer SizeContent SizeRequests
javascript1.3 KB20.4 KB0 b1
image44.8 KB459.7 KB0 b43
svg3.3 KB5.2 KB0 b3
Total49.4 KB485.3 KB0 b47

Data per domain

DomainTotal download timeTransfer SizeContent SizeRequests
en.wikipedia.beta.wmcloud.org6.485 s25.6 KB0 b4
upload.wikimedia.org22.109 s456.7 KB0 b41
upload.wikimedia.beta.wmcloud.org2.290 s3.0 KB0 b2

Expires and last modified statistics

typeminmedianmax
Expires-3 weeks0 seconds1 year
Last modified1 week36 weeks9 years

CPU

afterPageCompleteCheck.jpg | largestContentfulPaint.jpg | 

Screenshots

afterPageCompleteCheck.jpg

afterPageCompleteCheck.jpg

largestContentfulPaint.jpg

largestContentfulPaint.jpg