Metrics per run

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

Tested 2025-02-20 15:21:50 using Firefox 135.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 495 ms 496 ms 516 ms 495 ms 527 ms496 ms506 ms13 ms2.63 %
First Contentful Paint 1.169 s 1.185 s 1.169 s 1.134 s 1.202 s1.169 s1.172 s22 ms1.92 %
Largest Contentful Paint 2.152 s 2.152 s 2.169 s 2.119 s 2.187 s2.152 s2.156 s22 ms1.04 %
Timing metrics
First Paint 1.173 s 1.188 s 1.171 s 1.146 s 1.207 s1.173 s1.177 s20 ms1.71 %
First Contentful Paint 1.169 s 1.185 s 1.169 s 1.134 s 1.202 s1.169 s1.172 s22 ms1.92 %
Largest Contentful Paint 2.152 s 2.152 s 2.169 s 2.119 s 2.187 s2.152 s2.156 s22 ms1.04 %
Load Event End 2.139 s 2.137 s 2.168 s 2.118 s 2.185 s2.139 s2.149 s24 ms1.11 %
Server Response Time 195 ms 195 ms 194 ms 194 ms 209 ms195 ms197 ms6 ms2.95 %
TTFB 495 ms 496 ms 516 ms 495 ms 527 ms496 ms506 ms13 ms2.63 %
Page Load Time 2.139 s 2.137 s 2.167 s 2.118 s 2.185 s2.139 s2.149 s24 ms1.11 %
First Visual Change 1.266 s 1.266 s 1.266 s 1.233 s 1.300 s1.266 s1.266 s21 ms1.67 %
Last Visual Change 3.100 s 3.133 s 3.266 s 3.233 s 3.166 s3.166 s3.180 s62 ms1.94 %
Speed Index 1.399 s 1.398 s 1.403 s 1.369 s 1.433 s1.399 s1.400 s20 ms1.45 %
Visual Readiness 1.834 s 1.867 s 2.000 s 2.000 s 1.866 s1.867 s1.913 s72 ms3.75 %
Visual Complete 95 2.166 s 2.133 s 2.166 s 2.100 s 2.200 s2.166 s2.153 s34 ms1.58 %
Visual Complete 99 2.166 s 2.166 s 2.166 s 2.166 s 2.200 s2.166 s2.173 s14 ms0.63 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 76 ms 76 ms 76 ms76 ms76 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 924.6 KB 924.6 KB 924.6 KB 924.6 KB 924.5 KB924.6 KB924.6 KB37 B0.00 %
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 280.9 KB 280.9 KB 280.8 KB 280.8 KB 280.8 KB280.8 KB280.8 KB37 B0.01 %
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 b0.00 %
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 924.6 KB 924.6 KB 924.6 KB 924.6 KB 924.5 KB924.6 KB924.6 KB37 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %