Metrics per run

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

Tested 2026-07-27 23:12:51 using Firefox 153.0 (script).(runtime settings)

Side by side

1 run
MetricRun 1MedianMeanStddevRSD
Google Web Vitals
Time to First Byte519 ms519 ms519 ms0 ms0.00 %
Largest Contentful Paint1.959 s1.959 s1.959 s0 ms0.00 %
Timing metrics
First Paint998 ms998 ms998 ms0 ms0.00 %
Largest Contentful Paint1.959 s1.959 s1.959 s0 ms0.00 %
Load Event End2.598 s2.598 s2.598 s0 ms0.00 %
Server Response Time510 ms510 ms510 ms0 ms0.00 %
TTFB519 ms519 ms519 ms0 ms0.00 %
Page Load Time2.598 s2.598 s2.598 s0 ms0.00 %
First Visual Change1.033 s1.033 s1.033 s0 ms0.00 %
Last Visual Change3.933 s3.933 s3.933 s0 ms0.00 %
Speed Index1.164 s1.164 s1.164 s0 ms0.00 %
Visual Readiness2.900 s2.900 s2.900 s0 ms0.00 %
Visual Complete 951.966 s1.966 s1.966 s0 ms0.00 %
Visual Complete 991.966 s1.966 s1.966 s0 ms0.00 %
CPU metrics
Browser metrics
CPU benchmark score80 ms80 ms80 ms0 ms0.00 %
Page metrics
DOM elements22531225312253100.00 %
Document height34895348953489500.00 %
Total Requests96969600.00 %
HTML Requests11100.00 %
JavaScript Requests33300.00 %
CSS Requests44400.00 %
Font Requests00000.00 %
HTTP Errors0000N/A
Total Transfer Size1.1 MB1.1 MB1.1 MB0 b0.00 %
HTML Transfer Size408.2 KB408.2 KB408.2 KB0 b0.00 %
JavaScript Transfer Size72.1 KB72.1 KB72.1 KB0 b0.00 %
CSS Transfer Size33.2 KB33.2 KB33.2 KB0 b0.00 %
Font Transfer Size0 b0 b0 b0 b0.00 %
Favicon Transfer Size0 b0 b0 b0 b0.00 %
Plain Transfer Size997 B997 B997 B0 b0.00 %
SVG Transfer Size17.4 KB17.4 KB17.4 KB0 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 Requests96969600.00 %
First Party Total Transfer Size1.1 MB1.1 MB1.1 MB0 b0.00 %
First Party Total Content Size0 b0 b0 b0 b0.00 %