4 pages analysed for loginEmulatedMobile.cjs.cjs

Tested 2026-08-24 23:38:06 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 s3.002 smedian · worst 4.800 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 ms910 msmedian · worst 1.528 s
Speed Indexhow quickly content filled the screen2 of 4 pages flaggedgood under 3.4 spoor over 5.8 s3.713 smedian · worst 4.988 s
Page weightbytes shipped over the wireall pages passgood under 1.5 MBpoor over 2.9 MB491.2 KBmedian · worst 764.2 KB
Coach performance scorehow well pages follow performance advice4 of 4 pages flaggedpoor under 70good over 9080median · worst 69
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
poorlogin3.536 s0803 ms4.988 s764.2 KB69
poorhttps://en.wikipedia.org/wiki/Barack_Obama4.800 s01.528 s4.887 s528.0 KB83
poorhttps://en.wikipedia.org/wiki/Facebook2.468 s01.017 s2.538 s454.4 KB88
needs workLoginPage2.456 s0342 ms2.379 s419.2 KB76

How the median page rendered

Visual milestones
  • 3.002 sFirst Contentful Paint
  • 3.002 sLargest Contentful Paint
  • 3.501 sFirst Visual Change
  • 3.713 sSpeed Index
  • 5.936 sFully Loaded
  • 10.767 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer491.2 KB
javascript206.9 KBhtml168.5 KBimage76.1 KBcss30.9 KBsvg15.5 KBplain2.6 KBjson1.8 KBfavicon923 B
Requests23
svg12javascript3image3plain3html1css1json1favicon0.5

Coach's notes

Median scores out of 100
  • Performance80
  • Best practice84
  • Privacy80
  • Overall79

CPU

Median across all pages
  • Long tasks11
  • Long task time1.630 s
  • Max Potential FID362 ms
Where the time went
  • Running JavaScript1.609 s
  • Other browser work961 ms
  • Style & layout570 ms
  • Parsing HTML & CSS554 ms
  • Paint & composite155 ms
  • Garbage collection70 ms
  • Parsing & compiling JavaScript20 ms