Metrics per run

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

Tested 2025-09-17 20:21:51 using Firefox 142.0.1 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 144 ms 333 ms 160 ms 336 ms 187 ms187 ms232 ms85 ms36.56 %
First Contentful Paint 745 ms 779 ms 609 ms 779 ms 982 ms779 ms779 ms119 ms15.33 %
Largest Contentful Paint 1.123 s 1.171 s 987 ms 1.138 s 1.345 s1.138 s1.153 s115 ms9.96 %
Timing metrics
First Paint 1.122 s 1.151 s 970 ms 1.137 s 1.345 s1.137 s1.145 s119 ms10.43 %
First Contentful Paint 745 ms 779 ms 609 ms 779 ms 982 ms779 ms779 ms119 ms15.33 %
Largest Contentful Paint 1.123 s 1.171 s 987 ms 1.138 s 1.345 s1.138 s1.153 s115 ms9.96 %
Load Event End 2.598 s 2.565 s 2.399 s 2.329 s 2.552 s2.552 s2.489 s105 ms4.23 %
Server Response Time 138 ms 326 ms 153 ms 329 ms 181 ms181 ms225 ms85 ms37.49 %
TTFB 144 ms 333 ms 160 ms 336 ms 187 ms187 ms232 ms85 ms36.56 %
Page Load Time 2.597 s 2.564 s 2.399 s 2.328 s 2.552 s2.552 s2.488 s105 ms4.23 %
First Visual Change 1.166 s 1.200 s 1.033 s 1.200 s 1.400 s1.200 s1.200 s118 ms9.79 %
Last Visual Change 3.733 s 3.733 s 3.566 s 3.466 s 3.733 s3.733 s3.646 s111 ms3.04 %
Speed Index 1.295 s 1.357 s 1.192 s 1.335 s 1.604 s1.335 s1.357 s136 ms10.03 %
Visual Readiness 2.567 s 2.533 s 2.533 s 2.266 s 2.333 s2.533 s2.446 s122 ms5.00 %
Visual Complete 95 2.200 s 2.566 s 2.433 s 2.333 s 3.100 s2.433 s2.526 s311 ms12.31 %
Visual Complete 99 2.200 s 2.566 s 2.433 s 2.333 s 3.300 s2.433 s2.566 s386 ms15.04 %
CPU metrics
Browser metrics
CPU benchmark score 82 ms 78 ms 82 ms 83 ms 80 ms82 ms81 ms2 ms2.21 %
Page metrics
DOM elements 21567 21566 21567 21567 21577215672156940.02 %
Document height 63290 63290 63290 63290 63290632906329000.00 %
Total Requests 89 89 90 89 91899010.89 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 2 2 3 2 222018.18 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB14.6 KB1.30 %
HTML Transfer Size 296.6 KB 296.6 KB 296.6 KB 296.6 KB 296.6 KB296.6 KB296.6 KB0 b0.00 %
JavaScript Transfer Size 71.8 KB 71.8 KB 72.8 KB 71.8 KB 71.8 KB71.8 KB72.0 KB416 B0.57 %
CSS Transfer Size 24.3 KB 24.3 KB 24.3 KB 24.3 KB 24.3 KB24.3 KB24.3 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Transfer Size 22.2 KB 22.2 KB 22.2 KB 22.2 KB 22.2 KB22.2 KB22.2 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 89 89 90 89 91899010.89 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB14.6 KB1.30 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %