Metrics per run

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

Tested 2025-12-27 20:38:20 using Firefox 146.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 516 ms 499 ms 595 ms 589 ms 515 ms516 ms543 ms41 ms7.49 %
First Contentful Paint 1.636 s 1.623 s 1.719 s 1.711 s 1.646 s1.646 s1.667 s40 ms2.40 %
Largest Contentful Paint 1.647 s 2.221 s 2.338 s 2.459 s 2.204 s2.221 s2.174 s279 ms12.83 %
Interaction to Next Paint 296 ms 304 ms NaN s 288 ms NaN s296 ms296 ms7 ms2.21 %
Timing metrics
First Paint 1.635 s 1.623 s 1.718 s 1.710 s 1.646 s1.646 s1.666 s40 ms2.38 %
First Contentful Paint 1.636 s 1.623 s 1.719 s 1.711 s 1.646 s1.646 s1.667 s40 ms2.40 %
Largest Contentful Paint 1.647 s 2.221 s 2.338 s 2.459 s 2.204 s2.221 s2.174 s279 ms12.83 %
Load Event End 2.296 s 2.276 s 2.353 s 2.802 s 2.302 s2.302 s2.406 s200 ms8.30 %
Server Response Time 194 ms 195 ms 195 ms 195 ms 195 ms195 ms195 ms0 ms0.21 %
TTFB 516 ms 499 ms 595 ms 589 ms 515 ms516 ms543 ms41 ms7.49 %
Page Load Time 2.296 s 2.276 s 2.353 s 2.802 s 2.302 s2.302 s2.406 s200 ms8.30 %
First Visual Change 1.700 s 1.667 s 1.767 s 1.767 s 1.700 s1.700 s1.720 s40 ms2.33 %
Last Visual Change 7.067 s 6.967 s 7.133 s 6.933 s 7.033 s7.033 s7.027 s71 ms1.01 %
Speed Index 2.194 s 2.188 s 2.300 s 2.298 s 2.230 s2.230 s2.242 s49 ms2.17 %
Visual Readiness 5.367 s 5.300 s 5.366 s 5.166 s 5.333 s5.333 s5.306 s74 ms1.40 %
Visual Complete 95 5.200 s 5.100 s 5.267 s 5.100 s 5.200 s5.200 s5.173 s65 ms1.25 %
Visual Complete 99 6.833 s 6.767 s 6.900 s 6.700 s 6.833 s6.833 s6.807 s68 ms1.00 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 78 ms 77 ms 77 ms 81 ms77 ms78 ms2 ms2.21 %
Page metrics
DOM elements 22244 22244 22244 22244 22244222442224400.00 %
Document height 64343 64343 64343 64343 64343643436434300.00 %
Total Requests 104 104 104 104 10410410400.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
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 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB34 B0.00 %
HTML Transfer Size 306.9 KB 306.9 KB 306.9 KB 306.9 KB 306.9 KB306.9 KB306.9 KB0 b0.00 %
JavaScript Transfer Size 380.2 KB 380.2 KB 380.2 KB 380.2 KB 380.2 KB380.2 KB380.2 KB34 B0.01 %
CSS Transfer Size 27.6 KB 27.6 KB 27.6 KB 27.6 KB 27.6 KB27.6 KB27.6 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
Plain Transfer Size 683 B 683 B 683 B 683 B 683 B683 B683 B0 b0.00 %
SVG Transfer Size 34.5 KB 34.5 KB 34.5 KB 34.5 KB 34.5 KB34.5 KB34.5 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 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain 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 104 104 104 104 10410410400.00 %
First Party Total Transfer Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB34 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %