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

Tested 2026-07-27 23:47:05 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
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s1.220 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 ms1.449 smedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.375 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB728.8 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9086median
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_Obama1.220 s01.449 s1.375 s728.8 KB86→

How the median page rendered

Visual milestones
  • 1.200 sFirst Visual Change
  • 1.220 sFirst Contentful Paint
  • 1.220 sLargest Contentful Paint
  • 1.375 sSpeed Index
  • 4.400 sLast Visual Change
  • 7.900 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer728.8 KB
html336.8 KBjavascript276.0 KBimage64.3 KBcss25.5 KBsvg21.6 KBfavicon1.8 KBjson1.8 KBplain936 B
Requests31
svg15javascript5image4css2html1favicon1json1plain1

Coach's notes

Median scores out of 100
  • Performance86
  • Best practice87
  • Privacy80
  • Overall84

CPU

Median across all pages
  • Long tasks11
  • Long task time2.281 s
  • Max Potential FID645 ms
Where the time went
  • Running JavaScript1.995 s
  • Parsing HTML & CSS963 ms
  • Other browser work742 ms
  • Style & layout538 ms
  • Paint & composite118 ms
  • Parsing & compiling JavaScript24 ms
  • Garbage collection24 ms