Metrics per run

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

Tested 2026-06-24 00:02:50 using Chrome 149.0.7827.53 (runtime settings)

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 404 ms 404 ms 404 ms404 ms404 ms0 ms0.00 %
Largest Contentful Paint 1.180 s 1.192 s 1.292 s1.192 s1.221 s50 ms4.11 %
Total Blocking Time 1.142 s 1.186 s 1.215 s1.186 s1.181 s30 ms2.54 %
Cumulative Layout Shift 0.202 0.202 0.2020.2020.20200.00 %
Timing metrics
First Paint 856 ms 856 ms 852 ms856 ms855 ms2 ms0.22 %
Largest Contentful Paint 1.180 s 1.192 s 1.292 s1.192 s1.221 s50 ms4.11 %
Load Event End 1.807 s 1.831 s 1.810 s1.810 s1.816 s11 ms0.59 %
Server Response Time 358 ms 360 ms 359 ms359 ms359 ms1 ms0.23 %
TTFB 404 ms 404 ms 404 ms404 ms404 ms0 ms0.00 %
Page Load Time 1.807 s 1.831 s 1.810 s1.810 s1.816 s11 ms0.59 %
First Visual Change 867 ms 867 ms 833 ms867 ms856 ms16 ms1.87 %
Last Visual Change 4.000 s 4.033 s 4.033 s4.033 s4.022 s16 ms0.39 %
Speed Index 2.229 s 2.246 s 2.236 s2.236 s2.237 s7 ms0.31 %
Visual Readiness 3.133 s 3.166 s 3.200 s3.166 s3.166 s27 ms0.86 %
Visual Complete 95 3.633 s 3.667 s 3.700 s3.667 s3.667 s27 ms0.75 %
Visual Complete 99 3.633 s 3.667 s 3.700 s3.667 s3.667 s27 ms0.75 %
CPU metrics
Total Blocking Time 1.142 s 1.186 s 1.215 s1.186 s1.181 s30 ms2.54 %
Max Potential FID 280 ms 263 ms 296 ms280 ms280 ms13 ms4.82 %
Number of Long Tasks 15 17 17171615.77 %
Total Duration of Long Tasks 1.933 s 2.072 s 2.099 s2.072 s2.035 s73 ms3.57 %
Browser metrics
CPU benchmark score 252 ms 256 ms 255 ms255 ms254 ms2 ms0.67 %
Page metrics
Cumulative Layout Shift 0.202 0.202 0.2020.2020.20200.00 %
DOM elements 4789 4789 47894789478900.00 %
Document height 5080 5080 50805080508000.00 %
Total Requests 37 37 37373700.00 %
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 862.5 KB 862.5 KB 862.5 KB862.5 KB862.5 KB2 B0.00 %
HTML Transfer Size 104.6 KB 104.6 KB 104.6 KB104.6 KB104.6 KB0 b0.00 %
JavaScript Transfer Size 393.3 KB 393.3 KB 393.3 KB393.3 KB393.3 KB0 b0.00 %
CSS Transfer Size 23.5 KB 23.5 KB 23.5 KB23.5 KB23.5 KB0 b0.00 %
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 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
Plain Transfer Size 877 B 881 B 881 B881 B880 B2 B0.21 %
SVG Transfer Size 25.0 KB 25.0 KB 25.0 KB25.0 KB25.0 KB0 b0.00 %
Total Content Size 2.6 MB 2.6 MB 2.6 MB2.6 MB2.6 MB0 b0.00 %
HTML Content Size 566.3 KB 566.3 KB 566.3 KB566.3 KB566.3 KB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 165.4 KB 165.4 KB 165.4 KB165.4 KB165.4 KB0 b0.00 %
Image Content Size 295.1 KB 295.1 KB 295.1 KB295.1 KB295.1 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 %
Plain Content Size 0 b 0 b 0 b0 b0 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 37 37 37373700.00 %
First Party Total Transfer Size 862.5 KB 862.5 KB 862.5 KB862.5 KB862.5 KB2 B0.00 %
First Party Total Content Size 2.6 MB 2.6 MB 2.6 MB2.6 MB2.6 MB0 b0.00 %