Metrics per run

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

Tested 2026-03-28 01:42:07 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 411 ms 426 ms 411 ms 427 ms 426 ms426 ms420 ms8 ms1.79 %
First Contentful Paint 1.320 s 1.328 s 1.363 s 1.342 s 1.330 s1.330 s1.337 s15 ms1.12 %
Largest Contentful Paint 1.320 s 1.328 s 1.363 s 1.342 s 1.330 s1.330 s1.337 s15 ms1.12 %
Timing metrics
First Paint 1.319 s 1.327 s 1.362 s 1.342 s 1.330 s1.330 s1.336 s15 ms1.12 %
First Contentful Paint 1.320 s 1.328 s 1.363 s 1.342 s 1.330 s1.330 s1.337 s15 ms1.12 %
Largest Contentful Paint 1.320 s 1.328 s 1.363 s 1.342 s 1.330 s1.330 s1.337 s15 ms1.12 %
Load Event End 1.763 s 1.791 s 1.772 s 1.785 s 1.784 s1.784 s1.779 s10 ms0.57 %
Server Response Time 104 ms 105 ms 104 ms 104 ms 104 ms104 ms104 ms0 ms0.38 %
TTFB 411 ms 426 ms 411 ms 427 ms 426 ms426 ms420 ms8 ms1.79 %
Page Load Time 1.763 s 1.791 s 1.772 s 1.785 s 1.784 s1.784 s1.779 s10 ms0.57 %
First Visual Change 1.400 s 1.367 s 1.400 s 1.400 s 1.366 s1.400 s1.387 s16 ms1.18 %
Last Visual Change 17.033 s 17.067 s 17.033 s 17.100 s 17.033 s17.033 s17.053 s27 ms0.16 %
Speed Index 1.664 s 1.633 s 1.664 s 1.663 s 1.631 s1.663 s1.651 s16 ms0.94 %
Visual Readiness 15.633 s 15.700 s 15.633 s 15.700 s 15.667 s15.667 s15.667 s30 ms0.19 %
Visual Complete 95 1.400 s 1.367 s 1.400 s 1.400 s 1.366 s1.400 s1.387 s16 ms1.18 %
Visual Complete 99 9.733 s 9.700 s 9.733 s 9.733 s 9.700 s9.733 s9.720 s16 ms0.17 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 79 ms 78 ms 79 ms 80 ms79 ms79 ms1 ms0.80 %
Page metrics
DOM elements 13672 13672 13672 13672 13672136721367200.00 %
Document height 51299 51299 51299 51299 51299512995129900.00 %
Total Requests 66 66 66 66 66666600.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB1.3 KB0.11 %
HTML Transfer Size 200.7 KB 200.7 KB 200.7 KB 200.7 KB 200.7 KB200.7 KB200.7 KB0 b0.00 %
JavaScript Transfer Size 305.4 KB 305.4 KB 305.4 KB 305.4 KB 305.4 KB305.4 KB305.4 KB2 B0.00 %
CSS Transfer Size 27.7 KB 27.7 KB 27.7 KB 27.7 KB 27.7 KB27.7 KB27.7 KB1 B0.00 %
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 %
Plain Transfer Size 973 B 973 B 973 B 973 B 973 B973 B973 B0 b0.00 %
SVG Transfer Size 80.5 KB 80.5 KB 80.5 KB 80.5 KB 80.5 KB80.5 KB80.5 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 %
Plain 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 66 66 66 66 66666600.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB1.3 KB0.11 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %