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

Tested 2026-09-20 11:13:04 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/MediaWiki
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s1.688 smedian
Cumulative Layout Shifthow much the layout jumpedflaggedgood under 0.1poor over 0.250.542median
Total Blocking Timehow long the main thread was blockedflaggedgood under 200 mspoor over 600 ms599 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.160 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB901.2 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9081median
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/MediaWiki1.688 s0.542599 ms1.160 s901.2 KB81→

How the median page rendered

Visual milestones
  • 952 msFirst Contentful Paint
  • 967 msFirst Visual Change
  • 1.160 sSpeed Index
  • 1.688 sLargest Contentful Paint
  • 2.500 sLast Visual Change
  • 3.045 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer901.2 KB
javascript495.3 KBimage325.2 KBcss35.9 KBhtml20.0 KBsvg14.6 KBfavicon8.3 KBjson1.8 KB
Requests31
svg12image8javascript5css2html1favicon1json1

Coach's notes

Median scores out of 100
  • Performance81
  • Best practice60
  • Privacy77
  • Overall77

CPU

Median across all pages
  • Long tasks9
  • Long task time1.097 s
  • Max Potential FID257 ms
Where the time went
  • Running JavaScript1.429 s
  • Other browser work591 ms
  • Style & layout507 ms
  • Parsing HTML & CSS172 ms
  • Paint & composite114 ms
  • Parsing & compiling JavaScript33 ms
  • Garbage collection16 ms