Metrics per run

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

Tested 2025-10-26 22:05:38 using Firefox 144.0 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 499 ms 514 ms 515 ms 501 ms 520 ms 515 ms 627 ms515 ms527 ms41 ms7.84 %
First Contentful Paint 1.084 s 1.083 s 1.168 s 1.084 s 1.100 s 1.168 s 1.305 s1.100 s1.142 s75 ms6.61 %
Largest Contentful Paint 1.168 s 1.169 s 1.171 s 1.162 s 1.183 s 1.171 s 1.307 s1.171 s1.190 s48 ms4.04 %
Timing metrics
First Paint 1.168 s 1.169 s 1.171 s 1.161 s 1.182 s 1.170 s 1.307 s1.170 s1.190 s48 ms4.05 %
First Contentful Paint 1.084 s 1.083 s 1.168 s 1.084 s 1.100 s 1.168 s 1.305 s1.100 s1.142 s75 ms6.61 %
Largest Contentful Paint 1.168 s 1.169 s 1.171 s 1.162 s 1.183 s 1.171 s 1.307 s1.171 s1.190 s48 ms4.04 %
Load Event End 2.158 s 2.140 s 2.195 s 2.186 s 2.170 s 2.166 s 2.270 s2.170 s2.184 s39 ms1.79 %
Server Response Time 195 ms 193 ms 195 ms 195 ms 195 ms 194 ms 195 ms195 ms195 ms1 ms0.37 %
TTFB 499 ms 514 ms 515 ms 501 ms 520 ms 515 ms 627 ms515 ms527 ms41 ms7.84 %
Page Load Time 2.157 s 2.140 s 2.195 s 2.186 s 2.170 s 2.165 s 2.270 s2.170 s2.183 s39 ms1.79 %
First Visual Change 1.233 s 1.233 s 1.200 s 1.200 s 1.233 s 1.200 s 1.366 s1.233 s1.238 s54 ms4.40 %
Last Visual Change 3.233 s 3.233 s 12.333 s 3.233 s 3.233 s 3.200 s 3.266 s3.233 s4.533 s3.184 s70.25 %
Speed Index 1.261 s 1.260 s 2.555 s 1.228 s 1.261 s 1.227 s 1.393 s1.261 s1.455 s452 ms31.07 %
Visual Readiness 2.000 s 2.000 s 11.133 s 2.033 s 2.000 s 2.000 s 1.900 s2.000 s3.295 s3.200 s97.11 %
Visual Complete 95 1.233 s 1.233 s 10.767 s 1.200 s 1.233 s 1.200 s 1.366 s1.233 s2.605 s3.333 s127.96 %
Visual Complete 99 2.000 s 1.967 s 11.467 s 1.967 s 2.033 s 1.967 s 2.133 s2.000 s3.362 s3.309 s98.43 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 77 ms 77 ms 76 ms 76 ms 76 ms76 ms76 ms0 ms0.59 %
Page metrics
DOM elements 13541 13541 13865 13541 13541 13541 1354113541135871130.83 %
Document height 50679 50679 51034 50679 50679 50679 5067950679507301240.24 %
Total Requests 65 65 68 65 65 65 65656511.60 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 7 7 9 7 7 7 77719.61 %
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 889.3 KB 889.3 KB 1004.9 KB 889.3 KB 889.3 KB 889.3 KB 885.2 KB889.3 KB905.2 KB40.7 KB4.50 %
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 283.1 KB 283.1 KB 398.1 KB 283.1 KB 283.1 KB 283.1 KB 283.1 KB283.1 KB299.5 KB40.2 KB13.43 %
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 %
SVG Transfer Size 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB34.4 KB34.4 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 %
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 65 65 68 65 65 65 65656511.60 %
First Party Total Transfer Size 889.3 KB 889.3 KB 1004.9 KB 889.3 KB 889.3 KB 889.3 KB 885.2 KB889.3 KB905.2 KB40.7 KB4.50 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %