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

Tested 2026-08-24 21:03:46 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 0.250.001median
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 s820 msmedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB651.7 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9089median
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 ms0.0010 ms820 ms651.7 KB89→

How the median page rendered

Visual milestones
  • 800 msFirst Visual Change
  • 800 msFirst Contentful Paint
  • 800 msLargest Contentful Paint
  • 820 msSpeed Index
  • 1.300 sLast Visual Change
  • 1.544 sFully Loaded

What the median page is made of

Bytes and requests by content type
Transfer651.7 KB
javascript272.9 KBimage233.5 KBsvg58.1 KBhtml56.7 KBcss27.8 KBfavicon1.8 KBplain904 B
Requests25
javascript8svg6image5css2html1favicon1plain1

Coach's notes

Median scores out of 100
  • Performance89
  • Best practice84
  • Privacy80
  • Overall85

CPU

Median across all pages
  • Long tasks1
  • Long task time99 ms
  • Max Potential FID0 ms
Where the time went
  • Running JavaScript176 ms
  • Style & layout107 ms
  • Other browser work79 ms
  • Parsing HTML & CSS35 ms
  • Paint & composite30 ms
  • Garbage collection8 ms
  • Parsing & compiling JavaScript4 ms