Run 7 summary

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

Tested 2025-12-07 16:12:14 using Firefox 144.0.2 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip PageXrayCPU Screenshots

Summary

MetricValue
Page metrics
Total page size6.0 KB
Requests5
Timing metrics
TTFB668 ms
First Paint1.729 s
Fully Loaded3.728 s
Google Web Vitals
TTFB668 ms
First Contentful Paint (FCP) 1.727 s
Largest Contentful Paint (LCP) 3.291 s
Visual Metrics
First Visual Change1.800 s
Speed Index2.063 s
Visual Complete 85%2.666 s
Visual Complete 99%3.700 s
Last Visual Change4.466 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 1.727 smwStartup 1.753 sDOM Content Loaded Time 1.758 sFirst Visual Change 1.800 s
1.9 s
2 s
2.1 s
2.2 s
2.3 s
2.4 s
2.6 s
2.7 sVisual Complete 85% 2.666 s
2.8 s
2.9 s
3 s
3.1 s
3.2 s
3.3 smwCentralNoticeBanner 3.226 sLCP <IMG> 3.291 sVisual Complete 95% 3.300 sLargest Image 3.300 sHeading 3.300 s
3.4 s
3.5 s
3.6 sPage Load Time 3.535 s
3.7 sVisual Complete 99% 3.700 s
3.8 sFully Loaded 3.728 s
3.9 s
4.4 s
4.5 sLast Visual Change 4.466 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)668 ms
First Contentful Paint (FCP)1.727 s
Largest Contentful Paint (LCP)3.291 s
Extra timings
TTFB668 ms
Time To Contentful Paint1.782 s
Time To First Interactive2.826 s
Load Event End3.535 s
Fully loaded3.728 s
User Timing marks
mwStartup1.753 s
mwCentralNoticeBanner3.226 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 3.291 s
Element render delay37 ms
TTFB668 ms
Resource delay265 ms
Resource load duration2.321 s
Load time3.286 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)3.300 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">
Heading3.300 s 486 186 797 40
<h1 id="firstHeading" class="firstHeading mw-first-heading"></h1>
LargestContentfulPaint (250px-President_Barack_Obama.jpg)3.300 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 KB1.7 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.org390 ms1.7 KB0 b1
en.wikipedia.beta.wmcloud.org405 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