Metrics per run

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

Tested 2026-07-28 02:49:26 using Firefox 153.0 (script).(runtime settings)

Side by side

1 run
MetricRun 1MedianMeanStddevRSD
Google Web Vitals
Time to First Byte578 ms578 ms578 ms0 ms0.00 %
Largest Contentful Paint957 ms957 ms957 ms0 ms0.00 %
Timing metrics
First Paint957 ms957 ms957 ms0 ms0.00 %
Largest Contentful Paint957 ms957 ms957 ms0 ms0.00 %
Load Event End1.854 s1.854 s1.854 s0 ms0.00 %
Server Response Time569 ms569 ms569 ms0 ms0.00 %
TTFB578 ms578 ms578 ms0 ms0.00 %
Page Load Time1.854 s1.854 s1.854 s0 ms0.00 %
First Visual Change1.000 s1.000 s1.000 s0 ms0.00 %
Last Visual Change3.166 s3.166 s3.166 s0 ms0.00 %
Speed Index1.028 s1.028 s1.028 s0 ms0.00 %
Visual Readiness2.166 s2.166 s2.166 s0 ms0.00 %
Visual Complete 951.000 s1.000 s1.000 s0 ms0.00 %
Visual Complete 991.666 s1.666 s1.666 s0 ms0.00 %
CPU metrics
Browser metrics
CPU benchmark score53 ms53 ms53 ms0 ms0.00 %
Page metrics
DOM elements14849148491484900.00 %
Document height31751317513175100.00 %
Total Requests46464600.00 %
HTML Requests11100.00 %
JavaScript Requests44400.00 %
CSS Requests44400.00 %
Font Requests00000.00 %
HTTP Errors0000N/A
Total Transfer Size680.8 KB680.8 KB680.8 KB0 b0.00 %
HTML Transfer Size292.7 KB292.7 KB292.7 KB0 b0.00 %
JavaScript Transfer Size41.8 KB41.8 KB41.8 KB0 b0.00 %
CSS Transfer Size32.8 KB32.8 KB32.8 KB0 b0.00 %
Font Transfer Size0 b0 b0 b0 b0.00 %
Favicon Transfer Size0 b0 b0 b0 b0.00 %
Plain Transfer Size1013 B1013 B1013 B0 b0.00 %
SVG Transfer Size0 b0 b0 b0 b0.00 %
Total Content Size0 b0 b0 b0 b0.00 %
HTML Content Size0 b0 b0 b0 b0.00 %
JavaScript Content Size0 b0 b0 b0 b0.00 %
CSS Content Size0 b0 b0 b0 b0.00 %
Image Content Size0 b0 b0 b0 b0.00 %
Font Content Size0 b0 b0 b0 b0.00 %
Favicon Content Size0 b0 b0 b0 b0.00 %
Plain Content Size0 b0 b0 b0 b0.00 %
SVG Content Size0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests46464600.00 %
First Party Total Transfer Size680.8 KB680.8 KB680.8 KB0 b0.00 %
First Party Total Content Size0 b0 b0 b0 b0.00 %