Metrics per run

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

Tested 2025-12-27 18:55:33 using Chrome 143.0.7499.109 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 430 ms 431 ms 415 ms430 ms425 ms7 ms1.72 %
First Contentful Paint 936 ms 900 ms 916 ms916 ms917 ms15 ms1.61 %
Largest Contentful Paint 1.288 s 1.268 s 1.280 s1.280 s1.279 s8 ms0.64 %
Total Blocking Time 987 ms 869 ms 950 ms950 ms935 ms49 ms5.27 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 936 ms 900 ms 916 ms916 ms917 ms15 ms1.61 %
First Contentful Paint 936 ms 900 ms 916 ms916 ms917 ms15 ms1.61 %
Largest Contentful Paint 1.288 s 1.268 s 1.280 s1.280 s1.279 s8 ms0.64 %
Load Event End 1.691 s 1.670 s 1.691 s1.691 s1.684 s10 ms0.59 %
Server Response Time 372 ms 372 ms 372 ms372 ms372 ms0 ms0.00 %
TTFB 430 ms 431 ms 415 ms430 ms425 ms7 ms1.72 %
Page Load Time 1.691 s 1.670 s 1.691 s1.691 s1.684 s10 ms0.59 %
First Visual Change 933 ms 934 ms 934 ms934 ms934 ms0 ms0.05 %
Last Visual Change 7.066 s 7.100 s 7.100 s7.100 s7.089 s16 ms0.23 %
Speed Index 1.569 s 1.574 s 1.576 s1.574 s1.573 s3 ms0.19 %
Visual Readiness 6.133 s 6.166 s 6.166 s6.166 s6.155 s16 ms0.25 %
Visual Complete 95 7.033 s 7.067 s 7.067 s7.067 s7.056 s16 ms0.23 %
Visual Complete 99 7.033 s 7.067 s 7.067 s7.067 s7.056 s16 ms0.23 %
CPU metrics
Total Blocking Time 987 ms 869 ms 950 ms950 ms935 ms49 ms5.27 %
Max Potential FID 330 ms 283 ms 338 ms330 ms317 ms24 ms7.65 %
Number of Long Tasks 12 12 11121204.04 %
Total Duration of Long Tasks 1.672 s 1.536 s 1.592 s1.592 s1.600 s56 ms3.49 %
Browser metrics
CPU benchmark score 250 ms 255 ms 254 ms254 ms253 ms2 ms0.85 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 4708 4708 47084708470800.00 %
Document height 4768 4768 47684768476800.00 %
Total Requests 27 27 27272700.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 5 5 55500.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 444.1 KB 444.1 KB 446.0 KB444.1 KB444.8 KB902 B0.20 %
HTML Transfer Size 100.5 KB 100.5 KB 100.7 KB100.5 KB100.6 KB108 B0.10 %
JavaScript Transfer Size 228.2 KB 228.2 KB 228.5 KB228.2 KB228.3 KB158 B0.07 %
CSS Transfer Size 20.7 KB 20.7 KB 20.8 KB20.7 KB20.8 KB45 B0.21 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.9 KB1.8 KB1.8 KB40 B2.12 %
JSON Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 17.1 KB 17.1 KB 18.1 KB17.1 KB17.4 KB512 B2.88 %
Total Content Size 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB235 B0.01 %
HTML Content Size 561.3 KB 561.3 KB 561.8 KB561.3 KB561.4 KB235 B0.04 %
JavaScript Content Size 862.5 KB 862.5 KB 862.5 KB862.5 KB862.5 KB0 b0.00 %
CSS Content Size 154.2 KB 154.2 KB 154.2 KB154.2 KB154.2 KB0 b0.00 %
Image Content Size 70.0 KB 70.0 KB 70.0 KB70.0 KB70.0 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 271 B 271 B 271 B271 B271 B0 b0.00 %
SVG Content Size 10.4 KB 10.4 KB 10.4 KB10.4 KB10.4 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 27 27 27272700.00 %
First Party Total Transfer Size 444.1 KB 444.1 KB 446.0 KB444.1 KB444.8 KB902 B0.20 %
First Party Total Content Size 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB235 B0.01 %