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

Tested 2026-08-25 00:15:12 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 s1.184 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 ms71 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.183 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB720.7 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9085median
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/Facebook1.184 s0.00171 ms1.183 s720.7 KB85→

How the median page rendered

Visual milestones
  • 1.166 sFirst Visual Change
  • 1.183 sSpeed Index
  • 1.184 sFirst Contentful Paint
  • 1.184 sLargest Contentful Paint
  • 1.932 sFully Loaded
  • 1.933 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer720.7 KB
html291.5 KBjavascript283.2 KBsvg79.5 KBimage33.8 KBcss30.0 KBfavicon1.8 KBplain905 B
Requests42
svg22javascript7image7css2html1favicon1plain1

Coach's notes

Median scores out of 100
  • Performance85
  • Best practice75
  • Privacy80
  • Overall82

CPU

Median across all pages
  • Long tasks4
  • Long task time505 ms
  • Max Potential FID85 ms
Where the time went
  • Style & layout526 ms
  • Running JavaScript272 ms
  • Other browser work167 ms
  • Parsing HTML & CSS124 ms
  • Paint & composite77 ms
  • Garbage collection9 ms
  • Parsing & compiling JavaScript3 ms