Metrics per run

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

Tested 2025-01-18 00:55:59 using Chrome 131.0.6778.85 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 488 ms 505 ms488 ms493 ms8 ms1.67 %
First Contentful Paint 1.010 s 1.017 s 1.047 s1.017 s1.025 s16 ms1.57 %
Largest Contentful Paint 1.459 s 1.443 s 1.478 s1.459 s1.460 s14 ms0.98 %
Total Blocking Time 1.169 s 1.105 s 1.142 s1.142 s1.139 s26 ms2.30 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.010 s 1.017 s 1.047 s1.017 s1.025 s16 ms1.57 %
First Contentful Paint 1.010 s 1.017 s 1.047 s1.017 s1.025 s16 ms1.57 %
Largest Contentful Paint 1.459 s 1.443 s 1.478 s1.459 s1.460 s14 ms0.98 %
Load Event End 1.979 s 3.353 s 3.427 s3.353 s2.920 s666 ms22.81 %
Server Response Time 454 ms 453 ms 453 ms453 ms453 ms0 ms0.10 %
TTFB 487 ms 488 ms 505 ms488 ms493 ms8 ms1.67 %
Page Load Time 1.979 s 3.347 s 3.421 s3.347 s2.916 s663 ms22.74 %
First Visual Change 1.033 s 1.033 s 1.066 s1.033 s1.044 s16 ms1.49 %
Last Visual Change 3.400 s 3.333 s 3.400 s3.400 s3.378 s32 ms0.94 %
Speed Index 1.365 s 1.364 s 1.397 s1.365 s1.375 s15 ms1.11 %
Visual Readiness 2.367 s 2.300 s 2.334 s2.334 s2.334 s27 ms1.17 %
Visual Complete 95 1.466 s 1.466 s 1.500 s1.466 s1.477 s16 ms1.08 %
Visual Complete 99 1.500 s 1.566 s 1.566 s1.566 s1.544 s31 ms2.02 %
CPU metrics
Total Blocking Time 1.169 s 1.105 s 1.142 s1.142 s1.139 s26 ms2.30 %
Max Potential FID 309 ms 271 ms 280 ms280 ms287 ms16 ms5.66 %
Number of Long Tasks 12 11 11111104.16 %
Total Duration of Long Tasks 1.839 s 1.731 s 1.780 s1.780 s1.783 s44 ms2.48 %
Browser metrics
CPU benchmark score 289 ms 305 ms 307 ms305 ms300 ms8 ms2.68 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 11236 11236 11236112361123600.00 %
Document height 4118 4118 41184118411800.00 %
Total Requests 30 30 30303000.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 5 5 55500.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 515.3 KB 515.3 KB 515.3 KB515.3 KB515.3 KB0 b0.00 %
HTML Transfer Size 177.1 KB 177.1 KB 177.1 KB177.1 KB177.1 KB0 b0.00 %
JavaScript Transfer Size 208.6 KB 208.6 KB 208.6 KB208.6 KB208.6 KB0 b0.00 %
CSS Transfer Size 18.7 KB 18.7 KB 18.7 KB18.7 KB18.7 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
JSON Transfer Size 1.4 KB 1.4 KB 1.4 KB1.4 KB1.4 KB0 b0.00 %
SVG Transfer Size 17.0 KB 17.0 KB 17.0 KB17.0 KB17.0 KB0 b0.00 %
Total Content Size 2.0 MB 2.0 MB 2.0 MB2.0 MB2.0 MB0 b0.00 %
HTML Content Size 971.5 KB 971.5 KB 971.5 KB971.5 KB971.5 KB0 b0.00 %
JavaScript Content Size 821.9 KB 821.9 KB 821.9 KB821.9 KB821.9 KB0 b0.00 %
CSS Content Size 129.0 KB 129.0 KB 129.0 KB129.0 KB129.0 KB0 b0.00 %
Image Content Size 86.5 KB 86.5 KB 86.5 KB86.5 KB86.5 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
JSON Content Size 263 B 263 B 263 B263 B263 B0 b0.00 %
SVG Content Size 10.7 KB 10.7 KB 10.7 KB10.7 KB10.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 30 30 30303000.00 %
First Party Total Transfer Size 515.3 KB 515.3 KB 515.3 KB515.3 KB515.3 KB0 b0.00 %
First Party Total Content Size 2.0 MB 2.0 MB 2.0 MB2.0 MB2.0 MB0 b0.00 %