Metrics per run

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

Tested 2026-09-20 10:34:44 using Firefox 154.0.1 (script).(runtime settings)

Side by side

1 run
MetricRun 1MedianMeanStddevRSD
Google Web Vitals
Time to First Byte1.058 s1.058 s1.058 s0 ms0.00 %
Largest Contentful Paint1.639 s1.639 s1.639 s0 ms0.00 %
Timing metrics
First Paint1.639 s1.639 s1.639 s0 ms0.00 %
Largest Contentful Paint1.639 s1.639 s1.639 s0 ms0.00 %
Load Event End4.003 s4.003 s4.003 s0 ms0.00 %
Server Response Time1.047 s1.047 s1.047 s0 ms0.00 %
TTFB1.058 s1.058 s1.058 s0 ms0.00 %
Page Load Time4.003 s4.003 s4.003 s0 ms0.00 %
First Visual Change1.666 s1.666 s1.666 s0 ms0.00 %
Last Visual Change5.700 s5.700 s5.700 s0 ms0.00 %
Speed Index2.199 s2.199 s2.199 s0 ms0.00 %
Visual Readiness4.034 s4.034 s4.034 s0 ms0.00 %
Visual Complete 954.400 s4.400 s4.400 s0 ms0.00 %
Visual Complete 994.400 s4.400 s4.400 s0 ms0.00 %
CPU metrics
Browser metrics
CPU benchmark score56 ms56 ms56 ms0 ms0.00 %
Page metrics
DOM elements14911149111491100.00 %
Document height31863318633186300.00 %
Total Requests26262600.00 %
HTML Requests11100.00 %
JavaScript Requests44400.00 %
CSS Requests44400.00 %
Font Requests00000.00 %
HTTP Errors0000N/A
Total Transfer Size405.6 KB405.6 KB405.6 KB0 b0.00 %
HTML Transfer Size293.8 KB293.8 KB293.8 KB0 b0.00 %
JavaScript Transfer Size44.1 KB44.1 KB44.1 KB0 b0.00 %
CSS Transfer Size32.7 KB32.7 KB32.7 KB0 b0.00 %
Font Transfer Size0 b0 b0 b0 b0.00 %
Favicon Transfer Size0 b0 b0 b0 b0.00 %
Plain Transfer Size1.9 KB1.9 KB1.9 KB0 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 Requests26262600.00 %
First Party Total Transfer Size405.6 KB405.6 KB405.6 KB0 b0.00 %
First Party Total Content Size0 b0 b0 b0 b0.00 %