Metrics per run

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

Tested 2025-10-27 01:58:33 using Firefox 144.0 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 514 ms 515 ms 516 ms 514 ms 504 ms 515 ms 497 ms514 ms511 ms7 ms1.32 %
First Contentful Paint 1.185 s 1.169 s 1.101 s 1.168 s 1.084 s 1.186 s 1.169 s1.169 s1.152 s38 ms3.33 %
Largest Contentful Paint 1.187 s 1.174 s 1.193 s 1.170 s 1.177 s 1.187 s 1.170 s1.177 s1.180 s9 ms0.72 %
Timing metrics
First Paint 1.187 s 1.173 s 1.192 s 1.170 s 1.177 s 1.187 s 1.170 s1.177 s1.179 s8 ms0.71 %
First Contentful Paint 1.185 s 1.169 s 1.101 s 1.168 s 1.084 s 1.186 s 1.169 s1.169 s1.152 s38 ms3.33 %
Largest Contentful Paint 1.187 s 1.174 s 1.193 s 1.170 s 1.177 s 1.187 s 1.170 s1.177 s1.180 s9 ms0.72 %
Load Event End 2.161 s 2.194 s 2.249 s 2.137 s 2.190 s 2.162 s 2.136 s2.162 s2.176 s37 ms1.68 %
Server Response Time 195 ms 195 ms 195 ms 195 ms 195 ms 195 ms 193 ms195 ms195 ms1 ms0.36 %
TTFB 514 ms 515 ms 516 ms 514 ms 504 ms 515 ms 497 ms514 ms511 ms7 ms1.32 %
Page Load Time 2.161 s 2.194 s 2.249 s 2.136 s 2.190 s 2.162 s 2.136 s2.162 s2.175 s37 ms1.69 %
First Visual Change 1.233 s 1.233 s 1.233 s 1.233 s 1.233 s 1.233 s 1.200 s1.233 s1.228 s12 ms0.94 %
Last Visual Change 3.167 s 3.100 s 12.333 s 3.167 s 3.333 s 3.233 s 3.167 s3.167 s4.500 s3.199 s71.08 %
Speed Index 1.260 s 1.258 s 2.479 s 1.259 s 1.261 s 1.261 s 1.228 s1.260 s1.429 s429 ms29.99 %
Visual Readiness 1.934 s 1.867 s 11.100 s 1.934 s 2.100 s 2.000 s 1.967 s1.967 s3.272 s3.197 s97.70 %
Visual Complete 95 1.233 s 1.233 s 10.700 s 1.233 s 1.233 s 1.233 s 1.200 s1.233 s2.581 s3.315 s128.44 %
Visual Complete 99 2.000 s 1.933 s 11.433 s 1.933 s 2.000 s 2.000 s 2.000 s2.000 s3.328 s3.309 s99.41 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 51 ms 76 ms 78 ms 76 ms 77 ms76 ms73 ms9 ms12.29 %
Page metrics
DOM elements 13541 13541 13862 13541 13541 13541 1354113541135871120.83 %
Document height 50679 50679 51034 50679 50679 50679 5067950679507301240.24 %
Total Requests 65 65 68 65 65 65 65656511.60 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 7 7 9 7 7 7 77719.61 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 890.4 KB 890.4 KB 1006.1 KB 890.4 KB 890.4 KB 890.4 KB 890.4 KB890.4 KB906.9 KB40.5 KB4.46 %
HTML Transfer Size 196.2 KB 196.2 KB 196.2 KB 196.2 KB 196.2 KB 196.2 KB 196.2 KB196.2 KB196.2 KB0 b0.00 %
JavaScript Transfer Size 283.1 KB 283.1 KB 398.1 KB 283.1 KB 283.1 KB 283.1 KB 283.1 KB283.1 KB299.5 KB40.3 KB13.44 %
CSS Transfer Size 27.1 KB 27.1 KB 27.1 KB 27.1 KB 27.1 KB 27.1 KB 27.1 KB27.1 KB27.1 KB0 b0.00 %
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 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB34.4 KB34.4 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 65 65 68 65 65 65 65656511.60 %
First Party Total Transfer Size 890.4 KB 890.4 KB 1006.1 KB 890.4 KB 890.4 KB 890.4 KB 890.4 KB890.4 KB906.9 KB40.5 KB4.46 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %