Metrics per run

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

Tested 2025-12-07 13:00:48 using Firefox 144.0.2 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 587 ms 517 ms 516 ms 501 ms 517 ms 518 ms 514 ms517 ms524 ms26 ms4.99 %
First Contentful Paint 1.474 s 1.270 s 1.372 s 1.389 s 1.270 s 1.389 s 1.271 s1.372 s1.348 s74 ms5.46 %
Largest Contentful Paint 1.480 s 2.513 s 2.533 s 2.280 s 2.340 s 2.475 s 2.241 s2.340 s2.266 s338 ms14.92 %
Timing metrics
First Paint 1.479 s 1.388 s 1.383 s 1.394 s 1.390 s 1.389 s 1.389 s1.389 s1.402 s32 ms2.26 %
First Contentful Paint 1.474 s 1.270 s 1.372 s 1.389 s 1.270 s 1.389 s 1.271 s1.372 s1.348 s74 ms5.46 %
Largest Contentful Paint 1.480 s 2.513 s 2.533 s 2.280 s 2.340 s 2.475 s 2.241 s2.340 s2.266 s338 ms14.92 %
Load Event End 2.595 s 2.720 s 2.519 s 2.734 s 2.579 s 2.707 s 2.563 s2.595 s2.631 s81 ms3.06 %
Server Response Time 195 ms 195 ms 195 ms 195 ms 195 ms 195 ms 194 ms195 ms195 ms0 ms0.18 %
TTFB 587 ms 517 ms 516 ms 501 ms 517 ms 518 ms 514 ms517 ms524 ms26 ms4.99 %
Page Load Time 2.594 s 2.719 s 2.518 s 2.734 s 2.579 s 2.706 s 2.562 s2.594 s2.630 s81 ms3.07 %
First Visual Change 1.500 s 1.433 s 1.466 s 1.466 s 1.433 s 1.466 s 1.466 s1.466 s1.461 s21 ms1.46 %
Last Visual Change 12.933 s 12.700 s 12.933 s 12.766 s 12.967 s 12.800 s 12.900 s12.900 s12.857 s94 ms0.73 %
Speed Index 3.308 s 3.211 s 3.296 s 3.254 s 3.270 s 3.266 s 3.282 s3.270 s3.270 s29 ms0.90 %
Visual Readiness 11.433 s 11.267 s 11.467 s 11.300 s 11.534 s 11.334 s 11.434 s11.433 s11.396 s90 ms0.79 %
Visual Complete 95 11.433 s 11.367 s 11.600 s 11.366 s 11.700 s 11.400 s 11.433 s11.433 s11.471 s119 ms1.04 %
Visual Complete 99 12.733 s 12.500 s 12.766 s 12.566 s 12.800 s 12.600 s 12.733 s12.733 s12.671 s106 ms0.84 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 53 ms 78 ms 77 ms 77 ms 76 ms77 ms73 ms8 ms11.39 %
Page metrics
DOM elements 22144 22144 22144 22144 22144 22144 22144221442214400.00 %
Document height 63868 63868 63868 63868 63868 63868 63868638686386800.00 %
Total Requests 101 101 101 101 101 101 10110110100.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 9 9 99900.00 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB302 B0.02 %
HTML Transfer Size 304.1 KB 304.1 KB 304.1 KB 304.1 KB 304.1 KB 304.1 KB 304.1 KB304.1 KB304.1 KB0 b0.00 %
JavaScript Transfer Size 402.7 KB 402.7 KB 402.8 KB 402.7 KB 402.7 KB 402.7 KB 402.8 KB402.7 KB402.8 KB41 B0.01 %
CSS Transfer Size 27.6 KB 27.6 KB 27.6 KB 27.6 KB 27.6 KB 27.6 KB 27.6 KB27.6 KB27.6 KB0 b0.00 %
Font Transfer Size 0 b 0 b 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 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 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 KB 34.5 KB 34.5 KB34.5 KB34.5 KB1 B0.00 %
Total Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 101 101 101 101 101 101 10110110100.00 %
First Party Total Transfer Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB302 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %