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

Tested 2026-09-20 12:51:35 using Chrome (runtime settings)

Pages passing every check
0 / 1
The page needs work; 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 s832 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 s809 msmedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB649.2 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9088median · worst 89
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/How_to_contribute832 ms0.0340 ms809 ms649.2 KB89→

How the median page rendered

Visual milestones
  • 680 msFirst Contentful Paint
  • 700 msFirst Visual Change
  • 809 msSpeed Index
  • 832 msLargest Contentful Paint
  • 1.682 sFully Loaded
  • 2.066 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer649.2 KB
javascript545.7 KBcss38.2 KBhtml28.6 KBimage19.7 KBsvg8.7 KBfavicon8.2 KB
Requests24
image8javascript6svg5css2html1favicon1

Coach's notes

Median scores out of 100
  • Performance88
  • Best practice69
  • Privacy77
  • Overall81

CPU

Median across all pages
  • Long tasks1
  • Long task time96 ms
  • Max Potential FID0 ms
Where the time went
  • Running JavaScript219 ms
  • Style & layout145 ms
  • Other browser work77 ms
  • Paint & composite34 ms
  • Parsing HTML & CSS23 ms
  • Garbage collection19 ms
  • Parsing & compiling JavaScript5 ms