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

Tested 2026-09-20 12:11:27 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 s1.168 smedian
Cumulative Layout Shifthow much the layout jumpedpassesgood under 0.1poor over 0.250.032median
Total Blocking Timehow long the main thread was blockedpassesgood under 200 mspoor over 600 ms74 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.290 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB766.9 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9086median · worst 83
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/Facebook1.168 s0.03274 ms1.290 s766.9 KB83

How the median page rendered

Visual milestones
  • 1.166 sFirst Visual Change
  • 1.168 sFirst Contentful Paint
  • 1.168 sLargest Contentful Paint
  • 1.290 sSpeed Index
  • 2.212 sFully Loaded
  • 2.266 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer766.9 KB
html292.3 KBjavascript284.4 KBsvg85.9 KBimage71.5 KBcss30.0 KBfavicon1.8 KBplain905 B
Requests46
svg23image9javascript8css2html1favicon1plain1

Coach's notes

Median scores out of 100
  • Performance86
  • Best practice75
  • Privacy80
  • Overall82

CPU

Median across all pages
  • Long tasks3
  • Long task time459 ms
  • Max Potential FID90 ms
Where the time went
  • Style & layout534 ms
  • Running JavaScript292 ms
  • Other browser work193 ms
  • Parsing HTML & CSS129 ms
  • Paint & composite98 ms
  • Garbage collection21 ms
  • Parsing & compiling JavaScript3 ms