Metrics per run

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

Tested 2026-06-23 20:13:37 using Chrome 149.0.7827.53 (runtime settings)

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 404 ms 404 ms 403 ms404 ms404 ms0 ms0.12 %
Largest Contentful Paint 1.208 s 1.184 s 1.200 s1.200 s1.197 s10 ms0.83 %
Total Blocking Time 1.125 s 1.241 s 1.137 s1.137 s1.168 s52 ms4.46 %
Cumulative Layout Shift 0.205 0.205 0.2050.2050.20500.00 %
Timing metrics
First Paint 864 ms 852 ms 856 ms856 ms857 ms5 ms0.58 %
Largest Contentful Paint 1.208 s 1.184 s 1.200 s1.200 s1.197 s10 ms0.83 %
Load Event End 1.757 s 1.759 s 1.746 s1.757 s1.754 s6 ms0.33 %
Server Response Time 355 ms 355 ms 355 ms355 ms355 ms0 ms0.00 %
TTFB 404 ms 404 ms 403 ms404 ms404 ms0 ms0.12 %
Page Load Time 1.757 s 1.759 s 1.746 s1.757 s1.754 s6 ms0.33 %
First Visual Change 867 ms 833 ms 867 ms867 ms856 ms16 ms1.87 %
Last Visual Change 3.867 s 4.000 s 3.900 s3.900 s3.922 s57 ms1.44 %
Speed Index 2.089 s 2.136 s 2.120 s2.120 s2.115 s20 ms0.92 %
Visual Readiness 3.000 s 3.167 s 3.033 s3.033 s3.067 s72 ms2.35 %
Visual Complete 95 3.533 s 3.667 s 3.600 s3.600 s3.600 s55 ms1.52 %
Visual Complete 99 3.533 s 3.667 s 3.600 s3.600 s3.600 s55 ms1.52 %
CPU metrics
Total Blocking Time 1.125 s 1.241 s 1.137 s1.137 s1.168 s52 ms4.46 %
Max Potential FID 262 ms 315 ms 281 ms281 ms286 ms22 ms7.67 %
Number of Long Tasks 16 16 16161600.00 %
Total Duration of Long Tasks 1.964 s 2.074 s 1.976 s1.976 s2.005 s49 ms2.46 %
Browser metrics
CPU benchmark score 251 ms 253 ms 256 ms253 ms253 ms2 ms0.81 %
Page metrics
Cumulative Layout Shift 0.205 0.205 0.2050.2050.20500.00 %
DOM elements 4772 4772 47724772477200.00 %
Document height 4872 4872 48724872487200.00 %
Total Requests 33 33 33333300.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 6 6 66600.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 668.6 KB 668.5 KB 668.5 KB668.5 KB668.5 KB43 B0.01 %
HTML Transfer Size 104.2 KB 104.2 KB 104.2 KB104.2 KB104.2 KB0 b0.00 %
JavaScript Transfer Size 392.8 KB 392.8 KB 392.8 KB392.8 KB392.8 KB0 b0.00 %
CSS Transfer Size 23.3 KB 23.3 KB 23.3 KB23.3 KB23.3 KB9 B0.04 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
JSON Transfer Size 1.9 KB 1.8 KB 1.8 KB1.8 KB1.8 KB34 B1.86 %
SVG Transfer Size 25.2 KB 25.2 KB 25.2 KB25.2 KB25.2 KB0 b0.00 %
Total Content Size 2.4 MB 2.4 MB 2.4 MB2.4 MB2.4 MB0 b0.00 %
HTML Content Size 563.5 KB 563.5 KB 563.5 KB563.5 KB563.5 KB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 164.0 KB 164.0 KB 164.0 KB164.0 KB164.0 KB0 b0.00 %
Image Content Size 107.9 KB 107.9 KB 107.9 KB107.9 KB107.9 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 296 B 296 B 296 B296 B296 B0 b0.00 %
SVG Content Size 29.0 KB 29.0 KB 29.0 KB29.0 KB29.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 33 33 33333300.00 %
First Party Total Transfer Size 668.6 KB 668.5 KB 668.5 KB668.5 KB668.5 KB43 B0.01 %
First Party Total Content Size 2.4 MB 2.4 MB 2.4 MB2.4 MB2.4 MB0 b0.00 %