Metrics per run

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

Tested 2025-04-27 07:45:43 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 497 ms 515 ms 494 ms 513 ms 496 ms497 ms503 ms9 ms1.80 %
First Contentful Paint 1.118 s 1.151 s 1.135 s 1.169 s 1.134 s1.135 s1.141 s17 ms1.52 %
Largest Contentful Paint 1.134 s 1.155 s 1.143 s 1.172 s 1.141 s1.143 s1.149 s13 ms1.16 %
Timing metrics
First Paint 1.133 s 1.155 s 1.143 s 1.172 s 1.140 s1.143 s1.149 s14 ms1.19 %
First Contentful Paint 1.118 s 1.151 s 1.135 s 1.169 s 1.134 s1.135 s1.141 s17 ms1.52 %
Largest Contentful Paint 1.134 s 1.155 s 1.143 s 1.172 s 1.141 s1.143 s1.149 s13 ms1.16 %
Load Event End 2.179 s 2.179 s 2.216 s 2.231 s 2.309 s2.216 s2.223 s48 ms2.15 %
Server Response Time 194 ms 194 ms 193 ms 195 ms 194 ms194 ms194 ms1 ms0.33 %
TTFB 497 ms 515 ms 494 ms 513 ms 496 ms497 ms503 ms9 ms1.80 %
Page Load Time 2.179 s 2.178 s 2.216 s 2.230 s 2.308 s2.216 s2.222 s47 ms2.14 %
First Visual Change 1.167 s 1.233 s 1.200 s 1.233 s 1.200 s1.200 s1.207 s25 ms2.05 %
Last Visual Change 3.067 s 3.100 s 3.233 s 3.266 s 3.233 s3.233 s3.180 s80 ms2.52 %
Speed Index 1.194 s 1.258 s 1.227 s 1.260 s 1.228 s1.228 s1.233 s24 ms1.96 %
Visual Readiness 1.900 s 1.867 s 2.033 s 2.033 s 2.033 s2.033 s1.973 s74 ms3.75 %
Visual Complete 95 1.167 s 1.233 s 1.200 s 1.233 s 1.200 s1.200 s1.207 s25 ms2.05 %
Visual Complete 99 1.933 s 1.933 s 1.966 s 2.000 s 1.966 s1.966 s1.960 s25 ms1.28 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 51 ms 51 ms 51 ms51 ms51 ms0 ms0.00 %
Page metrics
DOM elements 13323 13323 13323 13323 13323133231332300.00 %
Document height 49079 49079 49079 49079 49079490794907900.00 %
Total Requests 68 68 68 68 68686800.00 %
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 902.6 KB 906.5 KB 906.5 KB 906.5 KB 906.5 KB906.5 KB905.7 KB1.6 KB0.17 %
HTML Transfer Size 191.9 KB 191.9 KB 191.9 KB 191.9 KB 191.9 KB191.9 KB191.9 KB0 b0.00 %
JavaScript Transfer Size 283.8 KB 283.8 KB 283.8 KB 283.8 KB 283.8 KB283.8 KB283.8 KB0 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 68 68 68 68 68686800.00 %
First Party Total Transfer Size 902.6 KB 906.5 KB 906.5 KB 906.5 KB 906.5 KB906.5 KB905.7 KB1.6 KB0.17 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %