Metrics per run

https://it.wikipedia.org/wiki/Facebook

Tested 2025-12-07 14:07:17 using Firefox 144.0.2 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 521 ms 618 ms 503 ms 498 ms 515 ms 497 ms 519 ms515 ms524 ms39 ms7.49 %
First Contentful Paint 880 ms 982 ms 863 ms 863 ms 880 ms 863 ms 880 ms880 ms887 ms39 ms4.45 %
Largest Contentful Paint 1.572 s 1.630 s 1.492 s 1.634 s 1.527 s 1.520 s 1.525 s1.527 s1.557 s52 ms3.35 %
Timing metrics
First Paint 887 ms 983 ms 865 ms 868 ms 887 ms 870 ms 886 ms886 ms892 ms38 ms4.27 %
First Contentful Paint 880 ms 982 ms 863 ms 863 ms 880 ms 863 ms 880 ms880 ms887 ms39 ms4.45 %
Largest Contentful Paint 1.572 s 1.630 s 1.492 s 1.634 s 1.527 s 1.520 s 1.525 s1.527 s1.557 s52 ms3.35 %
Load Event End 1.730 s 1.914 s 1.761 s 1.718 s 1.787 s 1.763 s 1.728 s1.761 s1.772 s62 ms3.52 %
Server Response Time 195 ms 195 ms 198 ms 195 ms 195 ms 194 ms 193 ms195 ms195 ms1 ms0.73 %
TTFB 521 ms 618 ms 503 ms 498 ms 515 ms 497 ms 519 ms515 ms524 ms39 ms7.49 %
Page Load Time 1.729 s 1.914 s 1.760 s 1.717 s 1.786 s 1.763 s 1.728 s1.760 s1.771 s63 ms3.53 %
First Visual Change 933 ms 1.033 s 933 ms 933 ms 966 ms 933 ms 966 ms933 ms957 ms34 ms3.59 %
Last Visual Change 2.833 s 3.000 s 2.833 s 2.800 s 2.866 s 2.833 s 2.800 s2.833 s2.852 s64 ms2.24 %
Speed Index 1.049 s 1.162 s 1.054 s 1.046 s 1.086 s 1.053 s 1.076 s1.054 s1.075 s38 ms3.54 %
Visual Readiness 1.900 s 1.967 s 1.900 s 1.867 s 1.900 s 1.900 s 1.834 s1.900 s1.895 s37 ms1.97 %
Visual Complete 95 1.667 s 1.866 s 1.700 s 1.666 s 1.733 s 1.700 s 1.666 s1.700 s1.714 s66 ms3.86 %
Visual Complete 99 1.667 s 1.866 s 1.700 s 1.666 s 1.733 s 1.700 s 1.666 s1.700 s1.714 s66 ms3.86 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 78 ms 76 ms 77 ms 76 ms 77 ms 77 ms77 ms77 ms1 ms0.83 %
Page metrics
DOM elements 5332 5332 5332 5332 5332 5332 53325332533200.00 %
Document height 26268 26268 26268 26268 26268 26268 26268262682626800.00 %
Total Requests 59 59 59 59 59 59 59595900.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10 10 10101000.00 %
CSS Requests 3 3 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 644.0 KB 643.9 KB 643.9 KB 643.9 KB 644.0 KB 643.9 KB 643.9 KB643.9 KB643.9 KB46 B0.01 %
HTML Transfer Size 82.9 KB 82.9 KB 82.9 KB 82.9 KB 82.9 KB 82.9 KB 82.9 KB82.9 KB82.9 KB0 b0.00 %
JavaScript Transfer Size 297.9 KB 297.8 KB 297.8 KB 297.8 KB 297.9 KB 297.8 KB 297.8 KB297.8 KB297.8 KB41 B0.01 %
CSS Transfer Size 29.4 KB 29.3 KB 29.4 KB 29.4 KB 29.3 KB 29.3 KB 29.3 KB29.3 KB29.4 KB9 B0.03 %
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 %
SVG Transfer Size 73.1 KB 73.1 KB 73.1 KB 73.1 KB 73.1 KB 73.1 KB 73.1 KB73.1 KB73.1 KB0 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 %
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 59 59 59 59 59 59 59595900.00 %
First Party Total Transfer Size 644.0 KB 643.9 KB 643.9 KB 643.9 KB 644.0 KB 643.9 KB 643.9 KB643.9 KB643.9 KB46 B0.01 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %