1 page analysed for https://en.wikipedia.beta.wmcl...

Tested 2026-09-20 11:50:44 using Firefox (runtime settings)

Pages passing every check
0 / 1
The page needs work; the dots show where.https://en.wikipedia.beta.wmcloud.org/wiki/Barack_Obama
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s2.187 smedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s2.108 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB843.2 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9086median
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://en.wikipedia.beta.wmcloud.org/wiki/Barack_Obama2.187 s––2.108 s843.2 KB86→

How the median page rendered

Visual milestones
  • 1.967 sFirst Contentful Paint
  • 2.000 sFirst Visual Change
  • 2.108 sSpeed Index
  • 2.187 sLargest Contentful Paint
  • 3.000 sLast Visual Change
  • 3.188 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer843.2 KB
html364.2 KBjavascript360.4 KBimage61.6 KBcss30.9 KBsvg25.1 KB
Requests41
svg18image12javascript7css2html1

Coach's notes

Median scores out of 100
  • Performance86
  • Best practice52
  • Privacy72
  • Overall76