Page summary

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

Tested 2025-10-27 00:58:32 using Firefox 144.0 (runtime settings).

SummaryWaterfall MetricsVideoFilmstrip PageXrayCPU
| Summary | | Download Video | Download HAR | Download Console Logs | 

Summary

MetricValue
Page metrics
Total Page Transfer Size1.3 MB
Requests92
Timing metrics
TTFB [median]774 ms
First Paint [median]1.858 s
Fully Loaded [median]562 ms
Google Web Vitals
TTFB [median]774 ms
First Contentful Paint (FCP) [median]1.728 s
Largest Contentful Paint (LCP) [median]3.305 s
Interaction To Next Paint (INP) [median]120 ms
Visual Metrics
First Visual Change [median]1.900 s
Speed Index [median]2.157 s
Visual Complete 85% [median]2.667 s
Visual Complete 99% [median]3.533 s
Last Visual Change [median]4.666 s
Screenshot of run 1

Timings Summary

Metricminmedianmeanmax
Visual Metrics
FirstVisualChange1.800 s1.900 s1.885 s1.966 s
LastVisualChange4.367 s4.666 s4.571 s4.700 s
SpeedIndex2.052 s2.157 s2.137 s2.207 s
LargestImage3.300 s3.533 s3.462 s3.567 s
Heading3.233 s3.533 s3.438 s3.567 s
LargestContentfulPaint3.300 s3.533 s3.462 s3.567 s
LastMeaningfulPaint3.300 s3.533 s3.462 s3.567 s
VisualReadiness2.567 s2.700 s2.686 s2.767 s
VisualComplete852.567 s2.667 s2.643 s2.733 s
VisualComplete953.233 s3.533 s3.438 s3.567 s
VisualComplete993.300 s3.533 s3.500 s3.633 s
Google Web Vitals
Time To First Byte (TTFB)688 ms774 ms760 ms780 ms
Largest Contentful Paint (LCP)3.257 s3.305 s3.328 s3.407 s
First Contentful Paint (FCP)1.660 s1.728 s1.757 s1.881 s
More metrics
firstPaint1.768 s1.858 s1.831 s1.882 s
loadEventEnd3.614 s3.689 s3.687 s3.805 s
User Timing
mwStartup1.762 s1.892 s1.858 s1.897 s
mwCentralNoticeBanner3.169 s3.442 s3.360 s3.474 s
| Waterfall | | Download HAR | 

Waterfall

Run 1 SpeedIndex median

| Video | Download | 

Video

Download video
| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 sFully Loaded 0 ms
1.8 sFirst Contentful Paint 1.728 s
1.9 smwStartup 1.893 sDOM Content Loaded Time 1.898 sFirst Visual Change 1.900 s
2 s
2.1 s
2.2 s
2.3 s
2.4 s
2.7 sVisual Complete 85% 2.667 s
2.9 s
3 s
3.1 s
3.2 s
3.3 s
3.4 sLCP <IMG> 3.305 s
3.5 smwCentralNoticeBanner 3.442 s
3.6 sVisual Complete 95% 3.533 sLargest Image 3.533 sHeading 3.533 sVisual Complete 99% 3.567 s
3.7 s
3.9 sPage Load Time 3.805 s
4.6 s
4.7 sLast Visual Change 4.667 s
| Browser metrics | Visual Metrics | Largest Contentful Paint | Interaction To Next Paint | Visual Elements | Server timings | 

Data from run 1

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 3.305 s
Element render delay33 ms
TTFB778 ms
Resource delay280 ms
Resource load duration2.215 s
Load time3.289 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

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 144 ms.

Event typepointerout
Element typeP
Element class name
Event target#mw-content-text>div.mw-content-ltr.mw-parser-output>p
Load state when the event happeneddom-content-loaded

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 requests92
Total domains4
Total transfer size1.3 MB
Total content size0 b
Responses missing compression0
Number of cookies74
Third party cookies69
Requests per response code
20091
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 b73
svg10.2 KB13.8 KB0 b10
Total113.6 KB1.3 MB0 b91

Data per domain

DomainTotal download timeTransfer SizeContent SizeRequests
en.wikipedia.beta.wmcloud.org6.916 s408.0 KB0 b18
upload.wikimedia.org99.573 s929.3 KB0 b71
upload.wikimedia.beta.wmcloud.org1.084 s3.1 KB0 b2
meta.wikimedia.beta.wmcloud.org373 ms1.9 KB0 b1

Expires and last modified statistics

typeminmedianmax
Expires0 seconds0 seconds1 year
Last modified1 week31 weeks11 years

CPU