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

Tested 2026-09-20 12:08:28 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
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Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s1.172 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 ms125 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.330 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB936.1 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9084median · worst 85
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_Obama1.172 s0.032125 ms1.330 s936.1 KB85→

How the median page rendered

Visual milestones
  • 1.166 sFirst Visual Change
  • 1.172 sFirst Contentful Paint
  • 1.172 sLargest Contentful Paint
  • 1.330 sSpeed Index
  • 2.488 sFully Loaded
  • 2.533 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer936.1 KB
html413.0 KBjavascript285.9 KBimage116.9 KBsvg87.1 KBcss30.6 KBfavicon1.8 KBplain905 B
Requests48
svg24image10javascript8css2html1favicon1plain1

Coach's notes

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

CPU

Median across all pages
  • Long tasks5
  • Long task time600 ms
  • Max Potential FID115 ms
Where the time went
  • Style & layout685 ms
  • Running JavaScript349 ms
  • Other browser work235 ms
  • Parsing HTML & CSS183 ms
  • Paint & composite128 ms
  • Garbage collection20 ms
  • Parsing & compiling JavaScript3 ms