Metrics per run

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

Tested 2025-10-26 23:06:11 using Firefox 144.0 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 498 ms 519 ms 586 ms 516 ms 513 ms 516 ms 502 ms516 ms521 ms27 ms5.24 %
First Contentful Paint 846 ms 880 ms 948 ms 864 ms 863 ms 863 ms 863 ms863 ms875 ms31 ms3.55 %
Largest Contentful Paint 1.425 s 1.510 s 1.478 s 1.494 s 1.468 s 1.510 s 1.458 s1.478 s1.478 s28 ms1.92 %
Timing metrics
First Paint 852 ms 887 ms 951 ms 867 ms 866 ms 865 ms 866 ms866 ms879 ms31 ms3.51 %
First Contentful Paint 846 ms 880 ms 948 ms 864 ms 863 ms 863 ms 863 ms863 ms875 ms31 ms3.55 %
Largest Contentful Paint 1.425 s 1.510 s 1.478 s 1.494 s 1.468 s 1.510 s 1.458 s1.478 s1.478 s28 ms1.92 %
Load Event End 1.756 s 1.886 s 1.875 s 1.752 s 1.769 s 1.777 s 1.749 s1.769 s1.795 s55 ms3.06 %
Server Response Time 195 ms 195 ms 195 ms 195 ms 195 ms 195 ms 195 ms195 ms195 ms0 ms0.00 %
TTFB 498 ms 519 ms 586 ms 516 ms 513 ms 516 ms 502 ms516 ms521 ms27 ms5.24 %
Page Load Time 1.755 s 1.885 s 1.874 s 1.752 s 1.768 s 1.776 s 1.749 s1.768 s1.794 s55 ms3.05 %
First Visual Change 933 ms 933 ms 1.033 s 933 ms 933 ms 933 ms 900 ms933 ms943 ms39 ms4.10 %
Last Visual Change 2.733 s 2.667 s 2.866 s 2.700 s 2.733 s 2.733 s 2.700 s2.733 s2.733 s59 ms2.15 %
Speed Index 979 ms 978 ms 1.076 s 979 ms 980 ms 980 ms 947 ms979 ms988 ms37 ms3.79 %
Visual Readiness 1.800 s 1.734 s 1.833 s 1.767 s 1.800 s 1.800 s 1.800 s1.800 s1.791 s29 ms1.62 %
Visual Complete 95 1.467 s 1.433 s 1.500 s 1.433 s 1.500 s 1.500 s 1.467 s1.467 s1.471 s28 ms1.89 %
Visual Complete 99 1.533 s 1.500 s 1.633 s 1.500 s 1.500 s 1.533 s 1.500 s1.500 s1.528 s45 ms2.95 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 76 ms 77 ms 76 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.59 %
Page metrics
DOM elements 5279 5279 5279 5280 5279 5279 52795279527900.01 %
Document height 26096 26096 26096 26096 26096 26096 26096260962609600.00 %
Total Requests 56 56 56 56 56 56 56565600.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 9 9 99900.00 %
CSS Requests 3 3 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 578.1 KB 578.1 KB 578.1 KB 578.1 KB 578.1 KB 578.1 KB 578.1 KB578.1 KB578.1 KB8 B0.00 %
HTML Transfer Size 82.7 KB 82.7 KB 82.7 KB 82.7 KB 82.7 KB 82.7 KB 82.7 KB82.7 KB82.7 KB0 b0.00 %
JavaScript Transfer Size 291.6 KB 291.6 KB 291.6 KB 291.6 KB 291.6 KB 291.6 KB 291.6 KB291.6 KB291.6 KB1 B0.00 %
CSS Transfer Size 29.4 KB 29.3 KB 29.3 KB 29.3 KB 29.3 KB 29.3 KB 29.3 KB29.3 KB29.3 KB9 B0.03 %
Font Transfer Size 0 b 0 b 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 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB29.0 KB29.0 KB0 b0.00 %
Total Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 56 56 56 56 56 56 56565600.00 %
First Party Total Transfer Size 578.1 KB 578.1 KB 578.1 KB 578.1 KB 578.1 KB 578.1 KB 578.1 KB578.1 KB578.1 KB8 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %