1 page analysed for https://en.wikipedia.org/wiki/...

Tested 2026-07-27 21:22:03 using Chrome (runtime settings)

Pages passing every check
0 / 1
The page needs work; the dots show where.https://en.wikipedia.org/wiki/Facebook
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s1.176 smedian
Cumulative Layout Shifthow much the layout jumpedpassesgood under 0.1poor over 0.250.001median
Total Blocking Timehow long the main thread was blockedpassesgood under 200 mspoor over 600 ms114 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.188 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB1.0 MBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9082median
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.org/wiki/Facebook1.176 s0.001114 ms1.188 s1.0 MB82→

How the median page rendered

Visual milestones
  • 1.166 sFirst Visual Change
  • 1.176 sFirst Contentful Paint
  • 1.176 sLargest Contentful Paint
  • 1.188 sSpeed Index
  • 2.266 sLast Visual Change
  • 7.032 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer1.0 MB
image324.8 KBjavascript303.9 KBhtml291.3 KBsvg80.2 KBcss30.1 KBfavicon1.8 KBplain936 B
Requests64
image29svg22javascript7css2html1favicon1plain1

Coach's notes

Median scores out of 100
  • Performance82
  • Best practice75
  • Privacy80
  • Overall80

CPU

Median across all pages
  • Long tasks6
  • Long task time621 ms
  • Max Potential FID87 ms
Where the time went
  • Style & layout522 ms
  • Running JavaScript295 ms
  • Other browser work180 ms
  • Parsing HTML & CSS126 ms
  • Paint & composite96 ms
  • Garbage collection10 ms
  • Parsing & compiling JavaScript4 ms