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

Tested 2026-09-20 11:04:42 using Chrome (runtime settings)

Pages passing every check
0 / 1
The page is below the bar; 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 s1.384 smedian
Cumulative Layout Shifthow much the layout jumpedpassesgood under 0.1poor over 0.250median
Total Blocking Timehow long the main thread was blockedflaggedgood under 200 mspoor over 600 ms1.550 smedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s2.775 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB772.0 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
poorhttps://en.wikipedia.org/wiki/Barack_Obama1.384 s01.550 s2.775 s772.0 KB85→

How the median page rendered

Visual milestones
  • 1.367 sFirst Visual Change
  • 1.384 sFirst Contentful Paint
  • 1.384 sLargest Contentful Paint
  • 2.775 sSpeed Index
  • 5.040 sFully Loaded
  • 5.067 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer772.0 KB
html337.8 KBjavascript276.1 KBimage105.5 KBcss27.0 KBsvg21.1 KBfavicon1.8 KBjson1.8 KBplain905 B
Requests33
svg15javascript6image5css2html1favicon1json1plain1

Coach's notes

Median scores out of 100
  • Performance85
  • Best practice87
  • Privacy80
  • Overall84

CPU

Median across all pages
  • Long tasks16
  • Long task time2.709 s
  • Max Potential FID654 ms
Where the time went
  • Running JavaScript2.006 s
  • Parsing HTML & CSS935 ms
  • Other browser work800 ms
  • Style & layout554 ms
  • Paint & composite185 ms
  • Garbage collection27 ms
  • Parsing & compiling JavaScript21 ms