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

Tested 2026-09-20 14:36:45 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/Download
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s1.460 smedian
Cumulative Layout Shifthow much the layout jumpedflaggedgood under 0.1poor over 0.250.583median
Total Blocking Timehow long the main thread was blockedflaggedgood under 200 mspoor over 600 ms971 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.297 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB646.0 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9086median · worst 85
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/Download1.460 s0.583971 ms1.297 s646.0 KB85→

How the median page rendered

Visual milestones
  • 812 msFirst Contentful Paint
  • 833 msFirst Visual Change
  • 1.297 sSpeed Index
  • 1.460 sLargest Contentful Paint
  • 2.467 sLast Visual Change
  • 3.407 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer646.0 KB
javascript550.3 KBcss38.6 KBhtml23.6 KBsvg15.8 KBfavicon8.3 KBimage7.6 KBjson1.8 KB
Requests25
svg13javascript5css2html1image1favicon1json1

Coach's notes

Median scores out of 100
  • Performance86
  • Best practice72
  • Privacy80
  • Overall82

CPU

Median across all pages
  • Long tasks9
  • Long task time1.474 s
  • Max Potential FID382 ms
Where the time went
  • Running JavaScript1.708 s
  • Style & layout695 ms
  • Other browser work555 ms
  • Parsing HTML & CSS174 ms
  • Paint & composite163 ms
  • Parsing & compiling JavaScript31 ms
  • Garbage collection18 ms