Metrics per run

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

Tested 2025-09-01 05:17:54 using Firefox 142.0 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 144 ms 203 ms 135 ms 175 ms 470 ms175 ms225 ms125 ms55.29 %
First Contentful Paint 609 ms 745 ms 541 ms 576 ms 830 ms609 ms660 ms109 ms16.58 %
Largest Contentful Paint 984 ms 1.108 s 935 ms 933 ms 1.258 s984 ms1.044 s125 ms11.94 %
Timing metrics
First Paint 974 ms 1.108 s 917 ms 925 ms 1.212 s974 ms1.027 s115 ms11.19 %
First Contentful Paint 609 ms 745 ms 541 ms 576 ms 830 ms609 ms660 ms109 ms16.58 %
Largest Contentful Paint 984 ms 1.108 s 935 ms 933 ms 1.258 s984 ms1.044 s125 ms11.94 %
Load Event End 2.309 s 2.443 s 1.793 s 2.477 s 2.008 s2.309 s2.206 s265 ms11.99 %
Server Response Time 137 ms 196 ms 128 ms 168 ms 463 ms168 ms218 ms125 ms57.07 %
TTFB 144 ms 203 ms 135 ms 175 ms 470 ms175 ms225 ms125 ms55.29 %
Page Load Time 2.309 s 2.443 s 1.792 s 2.477 s 2.008 s2.309 s2.206 s265 ms12.01 %
First Visual Change 1.033 s 1.166 s 966 ms 966 ms 1.266 s1.033 s1.079 s118 ms10.98 %
Last Visual Change 2.933 s 2.966 s 2.833 s 2.800 s 3.066 s2.933 s2.920 s95 ms3.27 %
Speed Index 1.194 s 1.247 s 1.118 s 1.049 s 1.406 s1.194 s1.203 s122 ms10.13 %
Visual Readiness 1.900 s 1.800 s 1.867 s 1.834 s 1.800 s1.834 s1.840 s39 ms2.11 %
Visual Complete 95 2.500 s 1.800 s 2.433 s 1.633 s 2.666 s2.433 s2.206 s411 ms18.61 %
Visual Complete 99 2.633 s 1.800 s 2.566 s 1.633 s 2.766 s2.566 s2.280 s467 ms20.50 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 76 ms 77 ms 76 ms76 ms76 ms0 ms0.52 %
Page metrics
DOM elements 21577 21566 21578 21567 21577215772157350.02 %
Document height 63444 63444 63444 63444 63444634446344400.00 %
Total Requests 91 89 91 89 95919122.41 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 2 2 2 2 422133.33 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB29.6 KB2.43 %
HTML Transfer Size 296.5 KB 296.5 KB 296.5 KB 296.5 KB 296.5 KB296.5 KB296.5 KB0 b0.00 %
JavaScript Transfer Size 111.3 KB 111.3 KB 111.3 KB 111.3 KB 112.3 KB111.3 KB111.5 KB410 B0.36 %
CSS Transfer Size 24.2 KB 24.2 KB 24.2 KB 24.2 KB 24.2 KB24.2 KB24.2 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JSON Transfer Size 2.4 KB N/A 2.4 KB N/A 2.4 KB2.4 KB2.4 KB0 b0.00 %
SVG Transfer Size 21.9 KB 21.9 KB 21.9 KB 21.9 KB 21.9 KB21.9 KB21.9 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 %
JSON Content Size 0 b N/A 0 b N/A 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 91 89 91 89 95919122.41 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB29.6 KB2.43 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %