Metrics per run

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

Tested 2025-04-05 21:07:15 using Firefox 136.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 495 ms 496 ms 494 ms 496 ms 513 ms496 ms499 ms7 ms1.43 %
First Contentful Paint 1.169 s 1.186 s 1.101 s 1.185 s 1.134 s1.169 s1.155 s33 ms2.85 %
Largest Contentful Paint 1.181 s 1.204 s 1.164 s 1.199 s 1.208 s1.199 s1.191 s16 ms1.38 %
Timing metrics
First Paint 1.180 s 1.204 s 1.164 s 1.198 s 1.208 s1.198 s1.191 s16 ms1.38 %
First Contentful Paint 1.169 s 1.186 s 1.101 s 1.185 s 1.134 s1.169 s1.155 s33 ms2.85 %
Largest Contentful Paint 1.181 s 1.204 s 1.164 s 1.199 s 1.208 s1.199 s1.191 s16 ms1.38 %
Load Event End 2.189 s 2.176 s 2.233 s 2.263 s 2.249 s2.233 s2.222 s34 ms1.52 %
Server Response Time 194 ms 193 ms 193 ms 194 ms 193 ms193 ms193 ms0 ms0.25 %
TTFB 495 ms 496 ms 494 ms 496 ms 513 ms496 ms499 ms7 ms1.43 %
Page Load Time 2.188 s 2.175 s 2.232 s 2.263 s 2.249 s2.232 s2.221 s34 ms1.54 %
First Visual Change 1.233 s 1.266 s 1.233 s 1.266 s 1.266 s1.266 s1.253 s16 ms1.29 %
Last Visual Change 3.133 s 3.000 s 3.133 s 3.200 s 3.166 s3.133 s3.126 s68 ms2.17 %
Speed Index 1.260 s 1.289 s 1.259 s 1.292 s 1.292 s1.289 s1.278 s15 ms1.21 %
Visual Readiness 1.900 s 1.734 s 1.900 s 1.934 s 1.900 s1.900 s1.874 s71 ms3.79 %
Visual Complete 95 1.233 s 1.266 s 1.233 s 1.266 s 1.266 s1.266 s1.253 s16 ms1.29 %
Visual Complete 99 2.000 s 1.866 s 1.966 s 2.000 s 2.000 s2.000 s1.966 s52 ms2.64 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 52 ms 52 ms 51 ms51 ms51 ms0 ms0.95 %
Page metrics
DOM elements 13304 13304 13304 13304 13304133041330400.00 %
Document height 48823 48823 48823 48823 48823488234882300.00 %
Total Requests 66 66 66 66 66666600.00 %
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 840.5 KB 840.5 KB 840.5 KB 840.5 KB 840.5 KB840.5 KB840.5 KB1 B0.00 %
HTML Transfer Size 192.1 KB 192.1 KB 192.1 KB 192.1 KB 192.1 KB192.1 KB192.1 KB0 b0.00 %
JavaScript Transfer Size 283.7 KB 283.7 KB 283.7 KB 283.7 KB 283.7 KB283.7 KB283.7 KB0 b0.00 %
CSS Transfer Size 26.2 KB 26.2 KB 26.2 KB 26.2 KB 26.2 KB26.2 KB26.2 KB1 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 66 66 66 66 66666600.00 %
First Party Total Transfer Size 840.5 KB 840.5 KB 840.5 KB 840.5 KB 840.5 KB840.5 KB840.5 KB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %