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

Tested 2026-07-28 00:34:22 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 showedflaggedgood under 2.5 spoor over 4 s3.371 smedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s2.325 smedian
Page weightbytes shipped over the wireflaggedgood under 1.5 MBpoor over 2.9 MB1.7 MBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9084median
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_Obama3.371 s––2.325 s1.7 MB84→

How the median page rendered

Visual milestones
  • 2.075 sFirst Contentful Paint
  • 2.133 sFirst Visual Change
  • 2.325 sSpeed Index
  • 3.371 sLargest Contentful Paint
  • 3.667 sLast Visual Change
  • 4.009 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer1.7 MB
image970.0 KBjavascript365.0 KBhtml364.0 KBcss31.6 KBsvg25.7 KB
Requests109
image80svg18javascript7css2html1

Coach's notes

Median scores out of 100
  • Performance84
  • Best practice44
  • Privacy71
  • Overall73