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

Tested 2026-09-20 11:09:23 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 s1.148 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 s1.671 smedian
Page weightbytes shipped over the wirepassesgood under 1.5 MBpoor over 2.9 MB479.2 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_Page1.148 s0470 ms1.671 s479.2 KB84→

How the median page rendered

Visual milestones
  • 1.148 sFirst Contentful Paint
  • 1.148 sLargest Contentful Paint
  • 1.167 sFirst Visual Change
  • 1.671 sSpeed Index
  • 3.332 sFully Loaded
  • 3.367 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer479.2 KB
javascript267.4 KBimage113.4 KBhtml52.8 KBcss24.8 KBsvg16.3 KBfavicon1.8 KBjson1.8 KBplain904 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 time1.258 s
  • Max Potential FID254 ms
Where the time went
  • Running JavaScript1.178 s
  • Style & layout598 ms
  • Other browser work580 ms
  • Parsing HTML & CSS221 ms
  • Paint & composite149 ms
  • Parsing & compiling JavaScript24 ms
  • Garbage collection17 ms