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

Tested 2026-09-20 12:49:10 using Chrome (runtime settings)

Pages passing every check
0 / 1
The page needs work; the dots show where.https://www.mediawiki.org/wiki/Download
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s836 msmedian
Cumulative Layout Shifthow much the layout jumpedpassesgood under 0.1poor over 0.250.034median
Total Blocking Timehow long the main thread was blockedpassesgood under 200 mspoor over 600 ms0 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s782 msmedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB648.5 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9090median · worst 87
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
needs workhttps://www.mediawiki.org/wiki/Download836 ms0.0340 ms782 ms648.5 KB87→

How the median page rendered

Visual milestones
  • 700 msFirst Visual Change
  • 700 msFirst Contentful Paint
  • 782 msSpeed Index
  • 836 msLargest Contentful Paint
  • 1.715 sFully Loaded
  • 2.100 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer648.5 KB
javascript544.6 KBcss40.7 KBhtml26.8 KBsvg24.0 KBfavicon8.3 KBimage4.2 KB
Requests28
svg17javascript5css2html1image1favicon1

Coach's notes

Median scores out of 100
  • Performance90
  • Best practice76
  • Privacy79
  • Overall84

CPU

Median across all pages
  • Long tasks0
  • Long task time0 ms
  • Max Potential FID0 ms
Where the time went
  • Running JavaScript214 ms
  • Style & layout152 ms
  • Other browser work93 ms
  • Parsing HTML & CSS30 ms
  • Paint & composite28 ms
  • Garbage collection18 ms
  • Parsing & compiling JavaScript5 ms