Metrics per run

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

Tested 2026-03-27 04:08:58 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 412 ms 427 ms 426 ms 428 ms 428 ms427 ms424 ms6 ms1.45 %
First Contentful Paint 899 ms 1.017 s 888 ms 944 ms 958 ms944 ms941 ms46 ms4.90 %
Largest Contentful Paint 1.510 s 1.441 s 1.587 s 1.419 s 1.492 s1.492 s1.490 s59 ms3.94 %
Interaction to Next Paint 112 ms NaN s NaN s NaN s 104 ms108 ms108 ms4 ms3.70 %
Timing metrics
First Paint 899 ms 1.017 s 888 ms 944 ms 957 ms944 ms941 ms46 ms4.90 %
First Contentful Paint 899 ms 1.017 s 888 ms 944 ms 958 ms944 ms941 ms46 ms4.90 %
Largest Contentful Paint 1.510 s 1.441 s 1.587 s 1.419 s 1.492 s1.492 s1.490 s59 ms3.94 %
Load Event End 1.727 s 1.498 s 2.115 s 1.788 s 1.794 s1.788 s1.784 s197 ms11.06 %
Server Response Time 104 ms 104 ms 104 ms 104 ms 104 ms104 ms104 ms0 ms0.00 %
TTFB 412 ms 427 ms 426 ms 428 ms 428 ms427 ms424 ms6 ms1.45 %
Page Load Time 1.727 s 1.498 s 2.115 s 1.787 s 1.794 s1.787 s1.784 s197 ms11.06 %
First Visual Change 933 ms 1.066 s 933 ms 1.000 s 1.000 s1.000 s986 ms50 ms5.05 %
Last Visual Change 2.867 s 2.933 s 2.833 s 2.866 s 2.933 s2.867 s2.886 s40 ms1.38 %
Speed Index 984 ms 1.108 s 990 ms 1.047 s 1.049 s1.047 s1.036 s45 ms4.38 %
Visual Readiness 1.934 s 1.867 s 1.900 s 1.866 s 1.933 s1.900 s1.900 s30 ms1.58 %
Visual Complete 95 1.367 s 1.400 s 1.567 s 1.366 s 1.433 s1.400 s1.427 s74 ms5.22 %
Visual Complete 99 1.633 s 1.733 s 1.600 s 1.700 s 1.666 s1.666 s1.666 s47 ms2.83 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 77 ms 77 ms 76 ms76 ms76 ms0 ms0.64 %
Page metrics
DOM elements 5960 5960 5960 5960 59605960596000.00 %
Document height 26161 26161 26161 26161 26161261612616100.00 %
Total Requests 56 57 56 56 57565600.87 %
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 642.7 KB 646.3 KB 642.7 KB 642.7 KB 646.2 KB642.7 KB644.1 KB1.7 KB0.27 %
HTML Transfer Size 109.8 KB 109.9 KB 109.8 KB 109.8 KB 109.9 KB109.8 KB109.8 KB55 B0.05 %
JavaScript Transfer Size 313.9 KB 314.5 KB 313.9 KB 313.9 KB 314.4 KB313.9 KB314.1 KB295 B0.09 %
CSS Transfer Size 33.8 KB 34.0 KB 33.8 KB 33.8 KB 34.0 KB33.8 KB33.9 KB102 B0.29 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.0 KB 2.0 KB 2.1 KB2.0 KB2.0 KB39 B1.87 %
SVG Transfer Size 35.5 KB 37.0 KB 35.5 KB 35.5 KB 37.0 KB35.5 KB36.1 KB743 B2.01 %
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 57 56 56 57565600.87 %
First Party Total Transfer Size 642.7 KB 646.3 KB 642.7 KB 642.7 KB 646.2 KB642.7 KB644.1 KB1.7 KB0.27 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %