Metrics per run

https://en.m.wikipedia.org/wiki/Barack_Obama

Tested 2025-06-18 14:21:29 using Chrome 137.0.7151.55 (script).(runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 119 ms 119 ms 118 ms119 ms119 ms0 ms0.40 %
First Contentful Paint 520 ms 796 ms 516 ms520 ms611 ms131 ms21.46 %
Largest Contentful Paint 932 ms 1.156 s 976 ms976 ms1.021 s97 ms9.49 %
Total Blocking Time 1.348 s 1.472 s 1.383 s1.383 s1.401 s52 ms3.73 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 520 ms 796 ms 516 ms520 ms611 ms131 ms21.46 %
First Contentful Paint 520 ms 796 ms 516 ms520 ms611 ms131 ms21.46 %
Largest Contentful Paint 932 ms 1.156 s 976 ms976 ms1.021 s97 ms9.49 %
Load Event End 1.706 s 1.818 s 1.714 s1.714 s1.746 s51 ms2.92 %
Server Response Time 322 ms 552 ms 321 ms322 ms398 ms109 ms27.28 %
TTFB 119 ms 119 ms 118 ms119 ms119 ms0 ms0.40 %
Page Load Time 1.705 s 1.818 s 1.714 s1.714 s1.746 s51 ms2.94 %
First Visual Change 500 ms 800 ms 534 ms534 ms611 ms134 ms21.94 %
Last Visual Change 11.733 s 12.034 s 11.867 s11.867 s11.878 s123 ms1.04 %
Speed Index 2.270 s 2.605 s 2.323 s2.323 s2.399 s147 ms6.13 %
Visual Readiness 11.233 s 11.234 s 11.333 s11.234 s11.267 s47 ms0.42 %
Visual Complete 95 3.400 s 12.000 s 3.534 s3.534 s6.311 s4.023 s63.74 %
Visual Complete 99 11.700 s 12.000 s 11.834 s11.834 s11.845 s123 ms1.04 %
CPU metrics
Total Blocking Time 1.348 s 1.472 s 1.383 s1.383 s1.401 s52 ms3.73 %
Max Potential FID 387 ms 455 ms 419 ms419 ms420 ms28 ms6.61 %
Number of Long Tasks 16 16 15161603.01 %
Total Duration of Long Tasks 2.221 s 2.342 s 2.197 s2.221 s2.253 s63 ms2.82 %
Browser metrics
CPU benchmark score 301 ms 288 ms 302 ms301 ms297 ms6 ms2.15 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 13778 13778 13778137781377800.00 %
Document height 6843 6843 68436843684300.00 %
Total Requests 12 12 12121200.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 3 3 33300.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 389.2 KB 389.2 KB 389.2 KB389.2 KB389.2 KB0 b0.00 %
HTML Transfer Size 232.8 KB 232.8 KB 232.8 KB232.8 KB232.8 KB0 b0.00 %
JavaScript Transfer Size 76.2 KB 76.2 KB 76.2 KB76.2 KB76.2 KB0 b0.00 %
CSS Transfer Size 20.7 KB 20.7 KB 20.7 KB20.7 KB20.7 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Transfer Size 4.5 KB 4.5 KB 4.5 KB4.5 KB4.5 KB0 b0.00 %
Total Content Size 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB0 b0.00 %
HTML Content Size 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB0 b0.00 %
JavaScript Content Size 289.9 KB 289.9 KB 289.9 KB289.9 KB289.9 KB0 b0.00 %
CSS Content Size 153.0 KB 153.0 KB 153.0 KB153.0 KB153.0 KB0 b0.00 %
Image Content Size 53.2 KB 53.2 KB 53.2 KB53.2 KB53.2 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 12 12 12121200.00 %
First Party Total Transfer Size 389.2 KB 389.2 KB 389.2 KB389.2 KB389.2 KB0 b0.00 %
First Party Total Content Size 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB0 b0.00 %