Metrics per run

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

Tested 2025-02-20 18:39:15 using Firefox 135.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 637 ms 495 ms 497 ms 513 ms 497 ms497 ms528 ms55 ms10.42 %
First Contentful Paint 1.321 s 1.169 s 1.151 s 1.186 s 1.152 s1.169 s1.196 s64 ms5.34 %
Largest Contentful Paint 2.186 s 2.186 s 2.254 s 2.119 s 2.170 s2.186 s2.183 s43 ms1.98 %
Timing metrics
First Paint 1.327 s 1.177 s 1.166 s 1.197 s 1.153 s1.177 s1.204 s63 ms5.25 %
First Contentful Paint 1.321 s 1.169 s 1.151 s 1.186 s 1.152 s1.169 s1.196 s64 ms5.34 %
Largest Contentful Paint 2.186 s 2.186 s 2.254 s 2.119 s 2.170 s2.186 s2.183 s43 ms1.98 %
Load Event End 2.175 s 2.175 s 1.991 s 2.118 s 2.165 s2.165 s2.125 s70 ms3.30 %
Server Response Time 204 ms 193 ms 195 ms 210 ms 194 ms195 ms199 ms7 ms3.35 %
TTFB 637 ms 495 ms 497 ms 513 ms 497 ms497 ms528 ms55 ms10.42 %
Page Load Time 2.175 s 2.174 s 1.990 s 2.117 s 2.165 s2.165 s2.124 s70 ms3.31 %
First Visual Change 1.433 s 1.266 s 1.266 s 1.300 s 1.266 s1.266 s1.306 s65 ms4.96 %
Last Visual Change 3.200 s 3.266 s 3.266 s 3.100 s 3.133 s3.200 s3.193 s68 ms2.12 %
Speed Index 1.547 s 1.404 s 1.412 s 1.423 s 1.404 s1.412 s1.438 s55 ms3.82 %
Visual Readiness 1.767 s 2.000 s 2.000 s 1.800 s 1.867 s1.867 s1.887 s98 ms5.19 %
Visual Complete 95 2.200 s 2.166 s 2.233 s 2.100 s 2.200 s2.200 s2.180 s45 ms2.07 %
Visual Complete 99 2.200 s 2.200 s 2.266 s 2.133 s 2.200 s2.200 s2.200 s42 ms1.91 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.52 %
Page metrics
DOM elements 13367 13367 13367 13367 13367133671336700.00 %
Document height 49235 49235 49235 49235 49235492354923500.00 %
Total Requests 70 70 70 70 70707000.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
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 920.6 KB 920.6 KB 920.7 KB 920.7 KB 920.7 KB920.7 KB920.6 KB47 B0.01 %
HTML Transfer Size 192.9 KB 192.9 KB 192.9 KB 192.9 KB 192.9 KB192.9 KB192.9 KB0 b0.00 %
JavaScript Transfer Size 280.8 KB 280.8 KB 280.9 KB 280.9 KB 280.9 KB280.9 KB280.8 KB45 B0.02 %
CSS Transfer Size 26.3 KB 26.3 KB 26.3 KB 26.3 KB 26.3 KB26.3 KB26.3 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 b0.02 %
SVG Transfer Size 39.3 KB 39.3 KB 39.3 KB 39.3 KB 39.3 KB39.3 KB39.3 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 70 70 70 70 70707000.00 %
First Party Total Transfer Size 920.6 KB 920.6 KB 920.7 KB 920.7 KB 920.7 KB920.7 KB920.6 KB47 B0.01 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %