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

Tested 2026-08-24 23:55:16 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 s2.457 smedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s2.408 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB840.4 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
needs workhttps://en.wikipedia.beta.wmcloud.org/wiki/Barack_Obama2.457 s––2.408 s840.4 KB85→

How the median page rendered

Visual milestones
  • 2.222 sFirst Contentful Paint
  • 2.300 sFirst Visual Change
  • 2.408 sSpeed Index
  • 2.457 sLargest Contentful Paint
  • 3.300 sLast Visual Change
  • 3.387 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer840.4 KB
html364.3 KBjavascript357.5 KBimage59.4 KBcss31.4 KBsvg26.7 KB
Requests41
svg18image12javascript7css2html1

Coach's notes

Median scores out of 100
  • Performance86
  • Best practice52
  • Privacy74
  • Overall77