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

Tested 2026-08-25 00:12:04 using Chrome (runtime settings)

Pages passing every check
0 / 1
The page needs work; the dots show where.https://en.wikipedia.org/wiki/Barack_Obama
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s1.164 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 ms137 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.222 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB895.0 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9084median · worst 79
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/Barack_Obama1.164 s0.001137 ms1.222 s895.0 KB79→

How the median page rendered

Visual milestones
  • 1.164 sFirst Contentful Paint
  • 1.164 sLargest Contentful Paint
  • 1.166 sFirst Visual Change
  • 1.222 sSpeed Index
  • 2.157 sFully Loaded
  • 2.200 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer895.0 KB
html413.0 KBjavascript284.6 KBimage83.2 KBsvg80.9 KBcss30.5 KBfavicon1.8 KBplain905 B
Requests45
svg23image9javascript7css2html1favicon1plain1

Coach's notes

Median scores out of 100
  • Performance84
  • Best practice78
  • Privacy80
  • Overall82

CPU

Median across all pages
  • Long tasks5
  • Long task time604 ms
  • Max Potential FID112 ms
Where the time went
  • Style & layout723 ms
  • Running JavaScript348 ms
  • Other browser work213 ms
  • Parsing HTML & CSS180 ms
  • Paint & composite114 ms
  • Garbage collection8 ms
  • Parsing & compiling JavaScript4 ms