Metrics per run

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

Tested 2025-04-27 04:49:10 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 585 ms 525 ms 504 ms 503 ms 495 ms504 ms522 ms33 ms6.29 %
First Contentful Paint 1.151 s 1.186 s 1.152 s 1.135 s 1.151 s1.151 s1.155 s17 ms1.45 %
Largest Contentful Paint 1.216 s 1.191 s 1.157 s 1.138 s 1.156 s1.157 s1.172 s28 ms2.39 %
Timing metrics
First Paint 1.215 s 1.190 s 1.156 s 1.137 s 1.156 s1.156 s1.171 s28 ms2.39 %
First Contentful Paint 1.151 s 1.186 s 1.152 s 1.135 s 1.151 s1.151 s1.155 s17 ms1.45 %
Largest Contentful Paint 1.216 s 1.191 s 1.157 s 1.138 s 1.156 s1.157 s1.172 s28 ms2.39 %
Load Event End 2.264 s 2.270 s 2.146 s 2.212 s 2.257 s2.257 s2.230 s47 ms2.09 %
Server Response Time 195 ms 199 ms 198 ms 199 ms 194 ms198 ms197 ms2 ms1.06 %
TTFB 585 ms 525 ms 504 ms 503 ms 495 ms504 ms522 ms33 ms6.29 %
Page Load Time 2.263 s 2.270 s 2.146 s 2.211 s 2.257 s2.257 s2.229 s47 ms2.09 %
First Visual Change 1.266 s 1.233 s 1.233 s 1.200 s 1.200 s1.233 s1.226 s25 ms2.01 %
Last Visual Change 3.100 s 3.133 s 3.066 s 3.066 s 3.100 s3.100 s3.093 s25 ms0.81 %
Speed Index 1.292 s 1.259 s 1.258 s 1.225 s 1.226 s1.258 s1.252 s25 ms1.99 %
Visual Readiness 1.834 s 1.900 s 1.833 s 1.866 s 1.900 s1.866 s1.867 s30 ms1.59 %
Visual Complete 95 1.266 s 1.233 s 1.233 s 1.200 s 1.200 s1.233 s1.226 s25 ms2.01 %
Visual Complete 99 2.033 s 1.966 s 1.900 s 1.866 s 1.966 s1.966 s1.946 s58 ms2.99 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 51 ms 51 ms 51 ms51 ms51 ms0 ms0.00 %
Page metrics
DOM elements 13323 13323 13323 13323 13323133231332300.00 %
Document height 49079 49079 49079 49079 49079490794907900.00 %
Total Requests 68 68 68 68 68686800.00 %
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 893.5 KB 893.5 KB 893.5 KB 893.5 KB 893.5 KB893.5 KB893.5 KB2 B0.00 %
HTML Transfer Size 191.9 KB 191.9 KB 191.9 KB 191.9 KB 191.9 KB191.9 KB191.9 KB0 b0.00 %
JavaScript Transfer Size 283.8 KB 283.8 KB 283.8 KB 283.8 KB 283.8 KB283.8 KB283.8 KB1 B0.00 %
CSS Transfer Size 26.2 KB 26.2 KB 26.2 KB 26.2 KB 26.2 KB26.2 KB26.2 KB0 b0.00 %
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 32.1 KB 32.1 KB 32.1 KB 32.1 KB 32.1 KB32.1 KB32.1 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 68 68 68 68 68686800.00 %
First Party Total Transfer Size 893.5 KB 893.5 KB 893.5 KB 893.5 KB 893.5 KB893.5 KB893.5 KB2 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %