1 page analysed for https://www.mediawiki.org/wiki...

Tested 2026-09-20 11:16:55 using Chrome (runtime settings)

Pages passing every check
0 / 1
The page is below the bar; the dots show where.https://www.mediawiki.org/wiki/How_to_contribute
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s1.548 smedian
Cumulative Layout Shifthow much the layout jumpedflaggedgood under 0.1poor over 0.250.557median
Total Blocking Timehow long the main thread was blockedflaggedgood under 200 mspoor over 600 ms894 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.342 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB645.0 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9087median
The dot on each track is your page; click it to open the page report.

Page by page

Worst first · median of the runs · click a page for its full report
VerdictPageLCPCLSTBTSpeed IndexWeightCoach
poorhttps://www.mediawiki.org/wiki/How_to_contribute1.548 s0.557894 ms1.342 s645.0 KB87→

How the median page rendered

Visual milestones
  • 800 msFirst Visual Change
  • 812 msFirst Contentful Paint
  • 1.342 sSpeed Index
  • 1.548 sLargest Contentful Paint
  • 2.600 sLast Visual Change
  • 3.451 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer645.0 KB
javascript548.1 KBcss36.0 KBhtml26.2 KBsvg17.2 KBfavicon8.3 KBimage7.6 KBjson1.8 KB
Requests26
svg14javascript5css2html1image1favicon1json1

Coach's notes

Median scores out of 100
  • Performance87
  • Best practice64
  • Privacy80
  • Overall81

CPU

Median across all pages
  • Long tasks10
  • Long task time1.434 s
  • Max Potential FID340 ms
Where the time went
  • Running JavaScript1.624 s
  • Style & layout793 ms
  • Other browser work582 ms
  • Paint & composite187 ms
  • Parsing HTML & CSS177 ms
  • Parsing & compiling JavaScript33 ms
  • Garbage collection21 ms