Metrics per run

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

Tested 2025-12-07 13:04:50 using Firefox 144.0.2 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 590 ms 517 ms 517 ms 514 ms 619 ms 516 ms 501 ms517 ms539 ms42 ms7.86 %
First Contentful Paint 1.254 s 1.168 s 1.101 s 1.084 s 1.287 s 1.185 s 1.152 s1.168 s1.176 s69 ms5.86 %
Largest Contentful Paint 1.261 s 1.170 s 1.187 s 1.165 s 1.293 s 1.188 s 1.154 s1.187 s1.203 s49 ms4.08 %
Timing metrics
First Paint 1.261 s 1.170 s 1.186 s 1.165 s 1.293 s 1.188 s 1.153 s1.186 s1.202 s49 ms4.10 %
First Contentful Paint 1.254 s 1.168 s 1.101 s 1.084 s 1.287 s 1.185 s 1.152 s1.168 s1.176 s69 ms5.86 %
Largest Contentful Paint 1.261 s 1.170 s 1.187 s 1.165 s 1.293 s 1.188 s 1.154 s1.187 s1.203 s49 ms4.08 %
Load Event End 2.139 s 2.184 s 1.979 s 2.098 s 2.298 s 2.148 s 2.104 s2.139 s2.136 s89 ms4.18 %
Server Response Time 194 ms 195 ms 194 ms 195 ms 195 ms 195 ms 194 ms195 ms195 ms0 ms0.25 %
TTFB 590 ms 517 ms 517 ms 514 ms 619 ms 516 ms 501 ms517 ms539 ms42 ms7.86 %
Page Load Time 2.139 s 2.184 s 1.978 s 2.097 s 2.298 s 2.148 s 2.103 s2.139 s2.135 s90 ms4.20 %
First Visual Change 1.300 s 1.233 s 1.233 s 1.233 s 1.366 s 1.266 s 1.233 s1.233 s1.266 s47 ms3.72 %
Last Visual Change 12.300 s 12.300 s 12.367 s 12.400 s 12.333 s 12.366 s 12.433 s12.366 s12.357 s46 ms0.37 %
Speed Index 3.139 s 3.085 s 3.088 s 3.090 s 3.206 s 3.123 s 3.167 s3.123 s3.128 s42 ms1.36 %
Visual Readiness 11.000 s 11.067 s 11.134 s 11.167 s 10.967 s 11.100 s 11.200 s11.100 s11.091 s79 ms0.71 %
Visual Complete 95 10.967 s 10.966 s 11.100 s 11.200 s 10.966 s 11.066 s 11.266 s11.066 s11.076 s112 ms1.01 %
Visual Complete 99 12.133 s 12.133 s 12.200 s 12.233 s 12.133 s 12.200 s 12.266 s12.200 s12.185 s50 ms0.41 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 52 ms 52 ms 76 ms 53 ms 52 ms 51 ms52 ms59 ms11 ms18.79 %
Page metrics
DOM elements 13867 13867 13867 13867 13867 13867 13867138671386700.00 %
Document height 51034 51034 51034 51034 51034 51034 51034510345103400.00 %
Total Requests 67 67 67 67 67 67 67676700.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 9 9 99900.00 %
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 1.0 MB 1.0 MB 1.0 MB 1.0 MB 1.0 MB 1.0 MB 1017.4 KB1.0 MB1.0 MB3.9 KB0.38 %
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 400.0 KB 399.9 KB 400.0 KB 400.0 KB 400.0 KB 400.0 KB 399.9 KB400.0 KB400.0 KB42 B0.01 %
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 %
Plain Transfer Size 683 B 683 B 683 B 683 B 683 B 683 B 683 B683 B683 B0 b0.00 %
SVG Transfer Size 33.1 KB 33.1 KB 33.1 KB 33.1 KB 33.1 KB 33.1 KB 33.1 KB33.1 KB33.1 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 %
Plain 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 67 67 67 67 67 67 67676700.00 %
First Party Total Transfer Size 1.0 MB 1.0 MB 1.0 MB 1.0 MB 1.0 MB 1.0 MB 1017.4 KB1.0 MB1.0 MB3.9 KB0.38 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %