Metrics per run

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

Tested 2025-12-27 21:45:06 using Firefox 146.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 500 ms 515 ms 516 ms 517 ms 516 ms516 ms513 ms6 ms1.25 %
First Contentful Paint 865 ms 886 ms 900 ms 904 ms 903 ms900 ms892 ms15 ms1.66 %
Largest Contentful Paint 1.526 s 1.613 s 1.616 s 1.603 s 1.516 s1.603 s1.575 s44 ms2.81 %
Timing metrics
First Paint 865 ms 885 ms 899 ms 903 ms 902 ms899 ms891 ms14 ms1.62 %
First Contentful Paint 865 ms 886 ms 900 ms 904 ms 903 ms900 ms892 ms15 ms1.66 %
Largest Contentful Paint 1.526 s 1.613 s 1.616 s 1.603 s 1.516 s1.603 s1.575 s44 ms2.81 %
Load Event End 1.711 s 1.638 s 1.674 s 1.732 s 1.694 s1.694 s1.690 s32 ms1.90 %
Server Response Time 195 ms 195 ms 197 ms 195 ms 194 ms195 ms195 ms1 ms0.50 %
TTFB 500 ms 515 ms 516 ms 517 ms 516 ms516 ms513 ms6 ms1.25 %
Page Load Time 1.710 s 1.638 s 1.673 s 1.731 s 1.694 s1.694 s1.689 s32 ms1.89 %
First Visual Change 933 ms 933 ms 933 ms 967 ms 967 ms933 ms947 ms17 ms1.76 %
Last Visual Change 2.867 s 2.800 s 2.767 s 2.800 s 2.833 s2.800 s2.813 s34 ms1.21 %
Speed Index 985 ms 986 ms 987 ms 1.021 s 1.016 s987 ms999 ms16 ms1.60 %
Visual Readiness 1.934 s 1.867 s 1.834 s 1.833 s 1.866 s1.866 s1.867 s37 ms1.97 %
Visual Complete 95 1.567 s 1.533 s 1.633 s 1.633 s 1.533 s1.567 s1.580 s45 ms2.86 %
Visual Complete 99 1.667 s 1.633 s 1.633 s 1.633 s 1.633 s1.633 s1.640 s14 ms0.83 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 76 ms 76 ms77 ms77 ms0 ms0.64 %
Page metrics
DOM elements 5938 5938 5938 5938 59385938593800.00 %
Document height 26162 26162 26162 26162 26162261622616200.00 %
Total Requests 56 56 56 56 56565600.00 %
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 623.3 KB 623.3 KB 623.3 KB 623.3 KB 623.3 KB623.3 KB623.3 KB7 B0.00 %
HTML Transfer Size 108.3 KB 108.3 KB 108.3 KB 108.3 KB 108.3 KB108.3 KB108.3 KB0 b0.00 %
JavaScript Transfer Size 294.9 KB 294.9 KB 294.9 KB 294.9 KB 294.9 KB294.9 KB294.9 KB1 B0.00 %
CSS Transfer Size 30.5 KB 30.5 KB 30.5 KB 30.5 KB 30.5 KB30.5 KB30.5 KB8 B0.03 %
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 %
SVG Transfer Size 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB29.0 KB29.0 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 %
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 56 56565600.00 %
First Party Total Transfer Size 623.3 KB 623.3 KB 623.3 KB 623.3 KB 623.3 KB623.3 KB623.3 KB7 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %