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

Tested 2026-07-28 00:58:12 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 s1.160 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 ms113 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.187 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/Facebook1.160 s0.001113 ms1.187 s1.0 MB82→

How the median page rendered

Visual milestones
  • 1.160 sFirst Contentful Paint
  • 1.160 sLargest Contentful Paint
  • 1.166 sFirst Visual Change
  • 1.187 sSpeed Index
  • 2.266 sLast Visual Change
  • 7.026 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer1.0 MB
image324.9 KBjavascript303.7 KBhtml291.3 KBsvg79.8 KBcss30.1 KBfavicon1.8 KBplain905 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 time625 ms
  • Max Potential FID88 ms
Where the time went
  • Style & layout545 ms
  • Running JavaScript292 ms
  • Other browser work173 ms
  • Parsing HTML & CSS129 ms
  • Paint & composite100 ms
  • Garbage collection9 ms
  • Parsing & compiling JavaScript4 ms