Metrics per run

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

Tested 2025-04-27 05:33:01 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 513 ms 622 ms 586 ms 496 ms 494 ms513 ms542 ms52 ms9.62 %
First Contentful Paint 864 ms 982 ms 948 ms 863 ms 847 ms864 ms901 ms54 ms5.98 %
Largest Contentful Paint 1.415 s 1.612 s 1.476 s 1.408 s 1.478 s1.476 s1.478 s73 ms4.96 %
Timing metrics
First Paint 866 ms 989 ms 954 ms 870 ms 853 ms870 ms906 ms55 ms6.02 %
First Contentful Paint 864 ms 982 ms 948 ms 863 ms 847 ms864 ms901 ms54 ms5.98 %
Largest Contentful Paint 1.415 s 1.612 s 1.476 s 1.408 s 1.478 s1.476 s1.478 s73 ms4.96 %
Load Event End 1.820 s 1.962 s 1.913 s 1.940 s 1.807 s1.913 s1.888 s63 ms3.35 %
Server Response Time 194 ms 194 ms 194 ms 196 ms 193 ms194 ms194 ms1 ms0.50 %
TTFB 513 ms 622 ms 586 ms 496 ms 494 ms513 ms542 ms52 ms9.62 %
Page Load Time 1.820 s 1.962 s 1.913 s 1.939 s 1.806 s1.913 s1.888 s63 ms3.35 %
First Visual Change 933 ms 1.033 s 1.000 s 933 ms 900 ms933 ms960 ms49 ms5.10 %
Last Visual Change 2.500 s 2.600 s 2.566 s 2.466 s 2.433 s2.500 s2.513 s62 ms2.46 %
Speed Index 979 ms 1.086 s 1.045 s 979 ms 947 ms979 ms1.007 s51 ms5.03 %
Visual Readiness 1.567 s 1.567 s 1.566 s 1.533 s 1.533 s1.566 s1.553 s16 ms1.06 %
Visual Complete 95 1.433 s 1.600 s 1.500 s 1.400 s 1.366 s1.433 s1.460 s83 ms5.68 %
Visual Complete 99 1.500 s 1.666 s 1.566 s 1.500 s 1.500 s1.500 s1.546 s65 ms4.21 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 51 ms 52 ms 52 ms52 ms52 ms0 ms0.77 %
Page metrics
DOM elements 5608 5608 5609 5608 56085608560800.01 %
Document height 26374 26374 26374 26374 26374263742637400.00 %
Total Requests 58 58 58 58 58585800.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
CSS Requests 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 579.7 KB 579.7 KB 579.7 KB 579.7 KB 579.8 KB579.7 KB579.7 KB2 B0.00 %
HTML Transfer Size 83.4 KB 83.4 KB 83.4 KB 83.4 KB 83.4 KB83.4 KB83.4 KB0 b0.00 %
JavaScript Transfer Size 288.8 KB 288.8 KB 288.8 KB 288.8 KB 288.8 KB288.8 KB288.8 KB1 B0.00 %
CSS Transfer Size 28.5 KB 28.5 KB 28.5 KB 28.5 KB 28.5 KB28.5 KB28.5 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.02 %
SVG Transfer Size 28.6 KB 28.6 KB 28.6 KB 28.6 KB 28.6 KB28.6 KB28.6 KB1 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 %
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 58 58 58 58 58585800.00 %
First Party Total Transfer Size 579.7 KB 579.7 KB 579.7 KB 579.7 KB 579.8 KB579.7 KB579.7 KB2 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %