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

Tested 2026-09-20 12:17:05 using Chrome (runtime settings)

Pages passing every check
0 / 1
The page needs work; the dots show where.https://en.wikipedia.org/wiki/Main_Page
Open the page report →
Largest Contentful Paintwhen the main content showedpassesgood under 2.5 spoor over 4 s800 msmedian
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 ms0 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s879 msmedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB658.2 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9087median
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/Main_Page800 ms0.0320 ms879 ms658.2 KB87→

How the median page rendered

Visual milestones
  • 800 msFirst Visual Change
  • 800 msFirst Contentful Paint
  • 800 msLargest Contentful Paint
  • 879 msSpeed Index
  • 1.986 sFully Loaded
  • 2.000 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer658.2 KB
javascript274.4 KBimage233.8 KBsvg64.3 KBhtml55.1 KBcss27.8 KBfavicon1.8 KBplain905 B
Requests29
javascript9image7svg7css2html1favicon1plain1

Coach's notes

Median scores out of 100
  • Performance87
  • Best practice84
  • Privacy80
  • Overall84

CPU

Median across all pages
  • Long tasks1
  • Long task time98 ms
  • Max Potential FID0 ms
Where the time went
  • Running JavaScript179 ms
  • Style & layout110 ms
  • Other browser work85 ms
  • Parsing HTML & CSS35 ms
  • Paint & composite29 ms
  • Garbage collection8 ms
  • Parsing & compiling JavaScript3 ms