Metrics per run

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

Tested 2025-09-01 04:28:05 using Firefox 142.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 596 ms 663 ms 617 ms 608 ms 642 ms617 ms625 ms24 ms3.87 %
First Contentful Paint 915 ms 1.016 s 983 ms 1.033 s 965 ms983 ms982 ms41 ms4.21 %
Largest Contentful Paint 2.220 s 2.068 s 2.050 s 2.084 s 2.271 s2.084 s2.139 s89 ms4.18 %
Timing metrics
First Paint 987 ms 1.089 s 1.047 s 1.101 s 1.047 s1.047 s1.054 s40 ms3.80 %
First Contentful Paint 915 ms 1.016 s 983 ms 1.033 s 965 ms983 ms982 ms41 ms4.21 %
Largest Contentful Paint 2.220 s 2.068 s 2.050 s 2.084 s 2.271 s2.084 s2.139 s89 ms4.18 %
Load Event End 2.291 s 2.252 s 2.183 s 2.249 s 2.382 s2.252 s2.271 s65 ms2.87 %
Server Response Time 213 ms 195 ms 197 ms 289 ms 195 ms197 ms218 ms36 ms16.64 %
TTFB 596 ms 663 ms 617 ms 608 ms 642 ms617 ms625 ms24 ms3.87 %
Page Load Time 2.290 s 2.251 s 2.182 s 2.248 s 2.382 s2.251 s2.271 s66 ms2.89 %
First Visual Change 1.067 s 1.133 s 1.100 s 1.133 s 1.100 s1.100 s1.107 s25 ms2.23 %
Last Visual Change 3.233 s 3.100 s 3.233 s 3.100 s 3.300 s3.233 s3.193 s80 ms2.50 %
Speed Index 1.239 s 1.274 s 1.251 s 1.281 s 1.281 s1.274 s1.265 s17 ms1.35 %
Visual Readiness 2.166 s 1.967 s 2.133 s 1.967 s 2.200 s2.133 s2.087 s100 ms4.79 %
Visual Complete 95 2.233 s 2.067 s 2.067 s 2.100 s 2.300 s2.100 s2.153 s96 ms4.44 %
Visual Complete 99 2.233 s 2.100 s 2.167 s 2.133 s 2.400 s2.167 s2.207 s106 ms4.82 %
CPU metrics
Browser metrics
CPU benchmark score 53 ms 51 ms 51 ms 53 ms 51 ms51 ms52 ms1 ms1.89 %
Page metrics
DOM elements 5306 5306 5306 5306 53065306530600.00 %
Document height 26795 26795 26795 26795 26795267952679500.00 %
Total Requests 63 63 63 63 63636300.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10101000.00 %
CSS Requests 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 705.8 KB 705.7 KB 705.7 KB 705.7 KB 705.7 KB705.7 KB705.7 KB9 B0.00 %
HTML Transfer Size 82.8 KB 82.8 KB 82.8 KB 82.8 KB 82.8 KB82.8 KB82.8 KB0 b0.00 %
JavaScript Transfer Size 375.8 KB 375.8 KB 375.8 KB 375.8 KB 375.8 KB375.8 KB375.8 KB1 B0.00 %
CSS Transfer Size 29.4 KB 29.4 KB 29.4 KB 29.4 KB 29.4 KB29.4 KB29.4 KB10 B0.03 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 34.5 KB 34.5 KB 34.5 KB 34.5 KB 34.5 KB34.5 KB34.5 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 %
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 63 63 63 63 63636300.00 %
First Party Total Transfer Size 705.8 KB 705.7 KB 705.7 KB 705.7 KB 705.7 KB705.7 KB705.7 KB9 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %