Metrics per run

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

Tested 2025-07-12 05:49:22 using Chrome 138.0.7204.49 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 504 ms 506 ms506 ms505 ms1 ms0.19 %
First Contentful Paint 952 ms 840 ms 848 ms848 ms880 ms51 ms5.80 %
Largest Contentful Paint 1.128 s 1.236 s 1.220 s1.220 s1.195 s48 ms3.98 %
Total Blocking Time 844 ms 901 ms 926 ms901 ms890 ms34 ms3.85 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 952 ms 840 ms 848 ms848 ms880 ms51 ms5.80 %
First Contentful Paint 952 ms 840 ms 848 ms848 ms880 ms51 ms5.80 %
Largest Contentful Paint 1.128 s 1.236 s 1.220 s1.220 s1.195 s48 ms3.98 %
Load Event End 2.875 s 2.794 s 3.064 s2.875 s2.911 s113 ms3.89 %
Server Response Time 329 ms 330 ms 329 ms329 ms329 ms0 ms0.14 %
TTFB 506 ms 504 ms 506 ms506 ms505 ms1 ms0.19 %
Page Load Time 2.871 s 2.789 s 3.058 s2.871 s2.906 s113 ms3.87 %
First Visual Change 967 ms 867 ms 867 ms867 ms900 ms47 ms5.24 %
Last Visual Change 7.234 s 7.234 s 7.500 s7.234 s7.323 s125 ms1.71 %
Speed Index 1.563 s 1.625 s 1.587 s1.587 s1.592 s26 ms1.60 %
Visual Readiness 6.267 s 6.367 s 6.633 s6.367 s6.422 s154 ms2.40 %
Visual Complete 95 7.067 s 7.067 s 7.067 s7.067 s7.067 s0 ms0.00 %
Visual Complete 99 7.067 s 7.067 s 7.067 s7.067 s7.067 s0 ms0.00 %
CPU metrics
Total Blocking Time 844 ms 901 ms 926 ms901 ms890 ms34 ms3.85 %
Max Potential FID 250 ms 401 ms 398 ms398 ms350 ms70 ms20.16 %
Number of Long Tasks 11 10 11111104.42 %
Total Duration of Long Tasks 1.464 s 1.481 s 1.561 s1.481 s1.502 s42 ms2.82 %
Browser metrics
CPU benchmark score 252 ms 251 ms 241 ms251 ms248 ms5 ms2.00 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 4253 4253 42534253425300.00 %
Document height 4712 4712 47124712471200.00 %
Total Requests 27 27 27272700.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 4 4 44400.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 408.6 KB 408.6 KB 408.6 KB408.6 KB408.6 KB8 B0.00 %
HTML Transfer Size 75.7 KB 75.7 KB 75.7 KB75.7 KB75.7 KB0 b0.00 %
JavaScript Transfer Size 218.4 KB 218.4 KB 218.4 KB218.4 KB218.4 KB0 b0.00 %
CSS Transfer Size 20.4 KB 20.3 KB 20.3 KB20.3 KB20.3 KB9 B0.04 %
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 1.6 KB 1.6 KB 1.6 KB1.6 KB1.6 KB0 b0.00 %
SVG Transfer Size 16.1 KB 16.1 KB 16.1 KB16.1 KB16.1 KB0 b0.00 %
Total Content Size 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB0 b0.00 %
HTML Content Size 341.7 KB 341.7 KB 341.7 KB341.7 KB341.7 KB0 b0.00 %
JavaScript Content Size 846.3 KB 846.3 KB 846.3 KB846.3 KB846.3 KB0 b0.00 %
CSS Content Size 152.4 KB 152.4 KB 152.4 KB152.4 KB152.4 KB0 b0.00 %
Image Content Size 70.8 KB 70.8 KB 70.8 KB70.8 KB70.8 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 408.6 KB 408.6 KB 408.6 KB408.6 KB408.6 KB8 B0.00 %
First Party Total Content Size 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB0 b0.00 %