4 pages analysed for loginEmulatedMobile.cjs.cjs

Tested 2026-07-28 00:15:24 using Chrome (script).(runtime settings)

Pages passing every check
0 / 4
4 pages below the bar; the dots show which.loginEmulatedMobile.cjs.cjs
0 pass every check1 need work3 poor on something
Worst page first →
Largest Contentful Paintwhen the main content showed2 of 4 pages flaggedgood under 2.5 spoor over 4 s3.156 smedian · worst 15.628 s
Cumulative Layout Shifthow much the layout jumpedall pages passgood under 0.1poor over 0.250median
Total Blocking Timehow long the main thread was blocked4 of 4 pages flaggedgood under 200 mspoor over 600 ms816 msmedian · worst 1.310 s
Speed Indexhow quickly content filled the screen2 of 4 pages flaggedgood under 3.4 spoor over 5.8 s4.158 smedian · worst 16.234 s
Page weightbytes shipped over the wireall pages passgood under 1.5 MBpoor over 2.9 MB492.2 KBmedian · worst 993.1 KB
Coach performance scorehow well pages follow performance advice4 of 4 pages flaggedpoor under 70good over 9079median · worst 67
Each dot is one page; hover to trace it across metrics, click to open its report.

Page by page

Worst first · median of the runs · click a page for its full report
VerdictPageLCPCLSTBTSpeed IndexWeightCoach
poorlogin3.876 s0713 ms5.243 s993.1 KB67→
poorhttps://en.wikipedia.org/wiki/Barack_Obama15.628 s01.310 s16.234 s530.9 KB82→
poorhttps://en.wikipedia.org/wiki/Facebook2.436 s0919 ms3.072 s453.5 KB88→
needs workLoginPage2.284 s0309 ms2.320 s444.1 KB76→

How the median page rendered

Visual milestones
  • 3.156 sFirst Contentful Paint
  • 3.156 sLargest Contentful Paint
  • 3.667 sFirst Visual Change
  • 4.158 sSpeed Index
  • 9.553 sFully Loaded
  • 13.967 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer492.2 KB
javascript196.5 KBhtml167.3 KBimage78.7 KBcss30.4 KBsvg16.0 KBjson1.8 KBfavicon930 Bplain924 B
Requests23
svg12image4javascript3html1css1plain1json1favicon0.5

Coach's notes

Median scores out of 100
  • Performance79
  • Best practice84
  • Privacy80
  • Overall79

CPU

Median across all pages
  • Long tasks11
  • Long task time1.649 s
  • Max Potential FID316 ms
Where the time went
  • Running JavaScript1.626 s
  • Other browser work1.056 s
  • Parsing HTML & CSS601 ms
  • Style & layout584 ms
  • Paint & composite157 ms
  • Garbage collection56 ms
  • Parsing & compiling JavaScript21 ms