Metrics per run

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

Tested 2026-04-29 20:19:35 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 423 ms 424 ms 425 ms 409 ms 424 ms424 ms421 ms6 ms1.43 %
First Contentful Paint 763 ms 907 ms 916 ms 897 ms 905 ms905 ms878 ms58 ms6.57 %
Largest Contentful Paint 1.096 s 1.119 s 1.632 s 1.186 s 1.153 s1.153 s1.237 s200 ms16.14 %
Timing metrics
First Paint 763 ms 907 ms 915 ms 896 ms 904 ms904 ms877 ms57 ms6.54 %
First Contentful Paint 763 ms 907 ms 916 ms 897 ms 905 ms905 ms878 ms58 ms6.57 %
Largest Contentful Paint 1.096 s 1.119 s 1.632 s 1.186 s 1.153 s1.153 s1.237 s200 ms16.14 %
Load Event End 1.433 s 1.807 s 1.876 s 1.743 s 1.736 s1.743 s1.719 s152 ms8.82 %
Server Response Time 102 ms 105 ms 104 ms 104 ms 103 ms104 ms104 ms1 ms0.98 %
TTFB 423 ms 424 ms 425 ms 409 ms 424 ms424 ms421 ms6 ms1.43 %
Page Load Time 1.432 s 1.806 s 1.876 s 1.742 s 1.736 s1.742 s1.718 s152 ms8.84 %
First Visual Change 800 ms 1.000 s 967 ms 933 ms 967 ms967 ms933 ms70 ms7.50 %
Last Visual Change 2.900 s 2.933 s 2.900 s 2.867 s 2.833 s2.900 s2.887 s34 ms1.18 %
Speed Index 916 ms 1.038 s 1.025 s 976 ms 1.007 s1.007 s992 ms43 ms4.38 %
Visual Readiness 2.100 s 1.933 s 1.933 s 1.934 s 1.866 s1.933 s1.953 s78 ms3.99 %
Visual Complete 95 1.100 s 1.133 s 1.600 s 1.133 s 1.167 s1.133 s1.227 s188 ms15.32 %
Visual Complete 99 1.700 s 1.700 s 1.633 s 1.667 s 1.667 s1.667 s1.673 s25 ms1.49 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 76 ms 77 ms 76 ms76 ms76 ms0 ms0.52 %
Page metrics
DOM elements 5958 5958 5958 5958 59585958595800.00 %
Document height 26229 26229 26229 26229 26229262292622900.00 %
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 645.2 KB 643.6 KB 643.6 KB 643.6 KB 643.6 KB643.6 KB643.9 KB661 B0.10 %
HTML Transfer Size 110.3 KB 110.3 KB 110.3 KB 110.3 KB 110.3 KB110.3 KB110.3 KB0 b0.00 %
JavaScript Transfer Size 314.4 KB 314.4 KB 314.4 KB 314.4 KB 314.4 KB314.4 KB314.4 KB2 B0.00 %
CSS Transfer Size 33.9 KB 33.8 KB 33.8 KB 33.8 KB 33.8 KB33.8 KB33.8 KB10 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 37.1 KB 37.1 KB 37.1 KB 37.1 KB 37.1 KB37.1 KB37.1 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 58 58 58 58 58585800.00 %
First Party Total Transfer Size 645.2 KB 643.6 KB 643.6 KB 643.6 KB 643.6 KB643.6 KB643.9 KB661 B0.10 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %