Metrics per run

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

Tested 2025-04-05 18:07:48 using Firefox 136.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 514 ms 494 ms 496 ms 496 ms 495 ms496 ms499 ms8 ms1.51 %
First Contentful Paint 1.186 s 1.186 s 1.186 s 1.186 s 1.186 s1.186 s1.186 s0 ms0.00 %
Largest Contentful Paint 1.188 s 1.200 s 1.201 s 1.197 s 1.192 s1.197 s1.196 s5 ms0.41 %
Timing metrics
First Paint 1.187 s 1.199 s 1.201 s 1.197 s 1.191 s1.197 s1.195 s5 ms0.44 %
First Contentful Paint 1.186 s 1.186 s 1.186 s 1.186 s 1.186 s1.186 s1.186 s0 ms0.00 %
Largest Contentful Paint 1.188 s 1.200 s 1.201 s 1.197 s 1.192 s1.197 s1.196 s5 ms0.41 %
Load Event End 2.289 s 2.134 s 2.239 s 2.242 s 2.320 s2.242 s2.245 s63 ms2.81 %
Server Response Time 194 ms 193 ms 195 ms 195 ms 194 ms194 ms194 ms1 ms0.39 %
TTFB 514 ms 494 ms 496 ms 496 ms 495 ms496 ms499 ms8 ms1.51 %
Page Load Time 2.289 s 2.133 s 2.239 s 2.241 s 2.319 s2.241 s2.244 s63 ms2.82 %
First Visual Change 1.266 s 1.266 s 1.266 s 1.266 s 1.233 s1.266 s1.259 s13 ms1.05 %
Last Visual Change 3.166 s 3.066 s 3.133 s 3.066 s 3.100 s3.100 s3.106 s39 ms1.25 %
Speed Index 1.293 s 1.290 s 1.292 s 1.291 s 1.259 s1.291 s1.285 s13 ms1.01 %
Visual Readiness 1.900 s 1.800 s 1.867 s 1.800 s 1.867 s1.867 s1.847 s40 ms2.17 %
Visual Complete 95 1.266 s 1.266 s 1.266 s 1.266 s 1.233 s1.266 s1.259 s13 ms1.05 %
Visual Complete 99 2.066 s 1.900 s 2.000 s 2.000 s 1.966 s2.000 s1.986 s54 ms2.72 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 52 ms 52 ms 51 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 847.7 KB 847.7 KB 847.4 KB 847.4 KB 847.4 KB847.4 KB847.5 KB177 B0.02 %
HTML Transfer Size 192.2 KB 192.2 KB 192.2 KB 192.2 KB 192.2 KB192.2 KB192.2 KB0 b0.00 %
JavaScript Transfer Size 283.7 KB 283.7 KB 283.7 KB 283.7 KB 283.7 KB283.7 KB283.7 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 66 66 66 66 66666600.00 %
First Party Total Transfer Size 847.7 KB 847.7 KB 847.4 KB 847.4 KB 847.4 KB847.4 KB847.5 KB177 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %