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

Tested 2026-09-20 14:31:11 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 s1.124 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 ms470 msmedian
Speed Indexhow quickly content filled the screenpassesgood under 3.4 spoor over 5.8 s1.630 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB480.0 KBmedian
Coach performance scorehow well pages follow performance adviceflaggedpoor under 70good over 9084median
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_Page1.124 s0470 ms1.630 s480.0 KB84→

How the median page rendered

Visual milestones
  • 1.124 sFirst Contentful Paint
  • 1.124 sLargest Contentful Paint
  • 1.133 sFirst Visual Change
  • 1.630 sSpeed Index
  • 3.281 sFully Loaded
  • 3.300 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer480.0 KB
javascript268.3 KBimage113.4 KBhtml52.7 KBcss24.8 KBsvg16.3 KBfavicon1.8 KBjson1.8 KBplain905 B
Requests30
svg11javascript6image6css2html1favicon1json1plain1

Coach's notes

Median scores out of 100
  • Performance84
  • Best practice89
  • Privacy80
  • Overall84

CPU

Median across all pages
  • Long tasks7
  • Long task time1.217 s
  • Max Potential FID256 ms
Where the time went
  • Running JavaScript1.184 s
  • Other browser work604 ms
  • Style & layout552 ms
  • Parsing HTML & CSS211 ms
  • Paint & composite150 ms
  • Parsing & compiling JavaScript23 ms
  • Garbage collection16 ms