Metrics per run

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

Tested 2026-03-28 02:46:15 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 428 ms 426 ms 424 ms 701 ms 425 ms426 ms481 ms110 ms22.90 %
First Contentful Paint 889 ms 926 ms 924 ms 1.595 s 910 ms924 ms1.049 s273 ms26.07 %
Largest Contentful Paint 1.611 s 1.563 s 1.567 s 1.595 s 1.517 s1.567 s1.571 s32 ms2.05 %
Timing metrics
First Paint 888 ms 925 ms 924 ms 1.595 s 910 ms924 ms1.048 s274 ms26.10 %
First Contentful Paint 889 ms 926 ms 924 ms 1.595 s 910 ms924 ms1.049 s273 ms26.07 %
Largest Contentful Paint 1.611 s 1.563 s 1.567 s 1.595 s 1.517 s1.567 s1.571 s32 ms2.05 %
Load Event End 1.770 s 1.785 s 1.806 s 2.725 s 1.754 s1.785 s1.968 s379 ms19.25 %
Server Response Time 105 ms 104 ms 103 ms 396 ms 104 ms104 ms162 ms117 ms71.92 %
TTFB 428 ms 426 ms 424 ms 701 ms 425 ms426 ms481 ms110 ms22.90 %
Page Load Time 1.769 s 1.785 s 1.806 s 2.725 s 1.754 s1.785 s1.968 s379 ms19.26 %
First Visual Change 900 ms 966 ms 966 ms 1.633 s 933 ms966 ms1.080 s278 ms25.73 %
Last Visual Change 2.833 s 2.833 s 2.933 s 4.200 s 2.867 s2.867 s3.133 s535 ms17.06 %
Speed Index 963 ms 1.018 s 1.026 s 1.686 s 984 ms1.018 s1.135 s276 ms24.33 %
Visual Readiness 1.933 s 1.867 s 1.967 s 2.567 s 1.934 s1.934 s2.054 s259 ms12.60 %
Visual Complete 95 1.633 s 1.600 s 1.600 s 1.633 s 1.400 s1.600 s1.573 s88 ms5.58 %
Visual Complete 99 1.633 s 1.666 s 1.700 s 3.000 s 1.600 s1.666 s1.920 s541 ms28.19 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 76 ms 76 ms 76 ms76 ms76 ms0 ms0.52 %
Page metrics
DOM elements 5960 5960 5960 5960 59605960596000.00 %
Document height 26161 26161 26161 26161 26161261612616100.00 %
Total Requests 56 56 56 57 56565600.71 %
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 643.1 KB 643.1 KB 643.1 KB 646.2 KB 643.1 KB643.1 KB643.7 KB1.2 KB0.19 %
HTML Transfer Size 109.8 KB 109.8 KB 109.8 KB 109.9 KB 109.8 KB109.8 KB109.8 KB52 B0.05 %
JavaScript Transfer Size 313.9 KB 313.9 KB 313.9 KB 314.3 KB 313.9 KB313.9 KB314.0 KB184 B0.06 %
CSS Transfer Size 33.8 KB 33.8 KB 33.8 KB 34.0 KB 33.8 KB33.8 KB33.8 KB56 B0.16 %
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 2.1 KB 2.0 KB2.0 KB2.1 KB27 B1.29 %
SVG Transfer Size 35.8 KB 35.8 KB 35.8 KB 37.0 KB 35.8 KB35.8 KB36.1 KB504 B1.36 %
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 56 56 56 57 56565600.71 %
First Party Total Transfer Size 643.1 KB 643.1 KB 643.1 KB 646.2 KB 643.1 KB643.1 KB643.7 KB1.2 KB0.19 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %