Metrics per run

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

Tested 2026-05-26 04:15:55 using Firefox 150.0.2 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 405 ms 408 ms 407 ms 407 ms 408 ms407 ms407 ms1 ms0.27 %
Largest Contentful Paint 2.586 s 2.573 s 2.602 s 2.707 s 2.577 s2.586 s2.609 s50 ms1.92 %
Timing metrics
First Paint 1.460 s 1.425 s 1.155 s 1.172 s 1.383 s1.383 s1.319 s129 ms9.81 %
Largest Contentful Paint 2.586 s 2.573 s 2.602 s 2.707 s 2.577 s2.586 s2.609 s50 ms1.92 %
Load Event End 1.875 s 1.831 s 2.292 s 2.424 s 1.844 s1.875 s2.053 s253 ms12.31 %
Server Response Time 106 ms 107 ms 107 ms 106 ms 107 ms107 ms107 ms0 ms0.46 %
TTFB 405 ms 408 ms 407 ms 407 ms 408 ms407 ms407 ms1 ms0.27 %
Page Load Time 1.875 s 1.831 s 2.291 s 2.424 s 1.843 s1.875 s2.053 s253 ms12.31 %
First Visual Change 1.500 s 1.467 s 1.200 s 1.200 s 1.433 s1.433 s1.360 s132 ms9.73 %
Last Visual Change 3.700 s 3.667 s 3.634 s 9.533 s 3.733 s3.700 s4.853 s2.340 s48.21 %
Speed Index 1.685 s 1.652 s 1.431 s 1.715 s 1.634 s1.652 s1.623 s100 ms6.17 %
Visual Readiness 2.200 s 2.200 s 2.434 s 8.333 s 2.300 s2.300 s3.493 s2.421 s69.31 %
Visual Complete 95 2.600 s 2.567 s 2.600 s 2.700 s 2.600 s2.600 s2.613 s45 ms1.73 %
Visual Complete 99 2.600 s 2.567 s 2.600 s 9.533 s 2.600 s2.600 s3.980 s2.777 s69.76 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 81 ms 79 ms 78 ms 77 ms78 ms78 ms1 ms1.91 %
Page metrics
DOM elements 13672 13672 13672 13672 13672136721367200.00 %
Document height 51463 51463 51463 51463 51463514635146300.00 %
Total Requests 69 68 68 68 68686800.59 %
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 998.1 KB 997.5 KB 997.5 KB 997.5 KB 997.5 KB997.5 KB997.6 KB263 B0.03 %
HTML Transfer Size 203.0 KB 203.0 KB 203.0 KB 203.0 KB 203.0 KB203.0 KB203.0 KB0 b0.00 %
JavaScript Transfer Size 309.4 KB 309.4 KB 309.4 KB 309.4 KB 309.4 KB309.4 KB309.4 KB0 b0.00 %
CSS Transfer Size 27.9 KB 28.0 KB 28.0 KB 28.0 KB 28.0 KB28.0 KB28.0 KB10 B0.03 %
Font Transfer Size 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 KB2.0 KB2.0 KB0 b0.00 %
Plain Transfer Size 683 B N/A N/A N/A N/A683 B683 B0 b0.00 %
SVG Transfer Size 86.4 KB 86.4 KB 86.4 KB 86.4 KB 86.4 KB86.4 KB86.4 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 %
Plain Content Size 0 b N/A N/A N/A N/A0 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 69 68 68 68 68686800.59 %
First Party Total Transfer Size 998.1 KB 997.5 KB 997.5 KB 997.5 KB 997.5 KB997.5 KB997.6 KB263 B0.03 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %