4 pages analysed for loginEmulatedMobile.cjs.cjs

Tested 2026-08-24 20:21:21 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 showed4 of 4 pages flaggedgood under 2.5 spoor over 4 s2.942 smedian · worst 6.492 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 ms672 msmedian · worst 1.051 s
Speed Indexhow quickly content filled the screen1 of 4 pages flaggedgood under 3.4 spoor over 5.8 s2.618 smedian · worst 4.726 s
Page weightbytes shipped over the wireall pages passgood under 1.5 MBpoor over 2.9 MB436.7 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
poorlogin3.232 s0835 ms4.726 s764.2 KB69→
poorhttps://en.wikipedia.org/wiki/Facebook2.560 s01.051 s2.650 s454.3 KB88→
poorhttps://en.wikipedia.org/wiki/Barack_Obama6.492 s0508 ms0 ms152.2 KB83→
needs workLoginPage2.652 s0316 ms2.586 s419.2 KB76→

How the median page rendered

Visual milestones
  • 2.550 sFirst Visual Change
  • 2.618 sSpeed Index
  • 2.896 sFirst Contentful Paint
  • 2.942 sLargest Contentful Paint
  • 6.245 sFully Loaded
  • 7.084 sLast Visual Change

What the median page is made of

Bytes and requests by content type
Transfer436.7 KB
javascript188.2 KBimage76.1 KBhtml43.5 KBcss30.9 KBsvg15.5 KBplain2.6 KBjson1.8 KBfavicon922 B
Requests23
svg12javascript3image3plain3html1css1json1favicon0.5

Coach's notes

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

CPU

Median across all pages
  • Long tasks8
  • Long task time1.113 s
  • Max Potential FID292 ms
Where the time went
  • Running JavaScript1.391 s
  • Other browser work732 ms
  • Style & layout437 ms
  • Parsing HTML & CSS339 ms
  • Paint & composite104 ms
  • Garbage collection34 ms
  • Parsing & compiling JavaScript20 ms