Metrics per run

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

Tested 2025-12-07 15:49:09 using Chrome 142.0.7444.59 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 414 ms 430 ms 414 ms414 ms419 ms8 ms1.80 %
First Contentful Paint 832 ms 844 ms 812 ms832 ms829 ms13 ms1.59 %
Largest Contentful Paint 1.216 s 1.248 s 1.220 s1.220 s1.228 s14 ms1.16 %
Total Blocking Time 1.178 s 1.031 s 1.098 s1.098 s1.102 s60 ms5.45 %
Cumulative Layout Shift 0.194 0.194 0.1940.1940.19400.00 %
Timing metrics
First Paint 832 ms 844 ms 812 ms832 ms829 ms13 ms1.59 %
First Contentful Paint 832 ms 844 ms 812 ms832 ms829 ms13 ms1.59 %
Largest Contentful Paint 1.216 s 1.248 s 1.220 s1.220 s1.228 s14 ms1.16 %
Load Event End 3.297 s 3.230 s 1.829 s3.230 s2.785 s677 ms24.30 %
Server Response Time 330 ms 330 ms 329 ms330 ms330 ms0 ms0.14 %
TTFB 414 ms 430 ms 414 ms414 ms419 ms8 ms1.80 %
Page Load Time 3.294 s 3.227 s 1.822 s3.227 s2.781 s679 ms24.40 %
First Visual Change 833 ms 833 ms 834 ms833 ms833 ms0 ms0.06 %
Last Visual Change 11.600 s 11.500 s 11.634 s11.600 s11.578 s57 ms0.49 %
Speed Index 2.167 s 2.222 s 2.289 s2.222 s2.226 s50 ms2.24 %
Visual Readiness 10.767 s 10.667 s 10.800 s10.767 s10.745 s57 ms0.53 %
Visual Complete 95 3.233 s 3.133 s 3.267 s3.233 s3.211 s57 ms1.77 %
Visual Complete 99 11.566 s 11.466 s 11.600 s11.566 s11.544 s57 ms0.49 %
CPU metrics
Total Blocking Time 1.178 s 1.031 s 1.098 s1.098 s1.102 s60 ms5.45 %
Max Potential FID 436 ms 432 ms 414 ms432 ms427 ms10 ms2.24 %
Number of Long Tasks 12 14 14141317.07 %
Total Duration of Long Tasks 1.855 s 1.811 s 1.868 s1.855 s1.845 s24 ms1.32 %
Browser metrics
CPU benchmark score 238 ms 238 ms 253 ms238 ms243 ms7 ms2.91 %
Page metrics
Cumulative Layout Shift 0.194 0.194 0.1940.1940.19400.00 %
DOM elements 4318 4318 43184318431800.00 %
Document height 4859 4859 48594859485900.00 %
Total Requests 30 30 30303000.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 6 6 66600.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 471.5 KB 471.5 KB 471.5 KB471.5 KB471.5 KB0 b0.00 %
HTML Transfer Size 76.1 KB 76.1 KB 76.1 KB76.1 KB76.1 KB0 b0.00 %
JavaScript Transfer Size 231.6 KB 231.6 KB 231.6 KB231.6 KB231.6 KB0 b0.00 %
CSS Transfer Size 20.4 KB 20.4 KB 20.4 KB20.4 KB20.4 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 %
SVG Transfer Size 61.0 KB 61.0 KB 61.0 KB61.0 KB61.0 KB0 b0.00 %
Total Content Size 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
HTML Content Size 344.2 KB 344.2 KB 344.2 KB344.2 KB344.2 KB0 b0.00 %
JavaScript Content Size 867.3 KB 867.3 KB 867.3 KB867.3 KB867.3 KB0 b0.00 %
CSS Content Size 152.7 KB 152.7 KB 152.7 KB152.7 KB152.7 KB0 b0.00 %
Image Content Size 73.7 KB 73.7 KB 73.7 KB73.7 KB73.7 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 114.2 KB 114.2 KB 114.2 KB114.2 KB114.2 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 30 30 30303000.00 %
First Party Total Transfer Size 471.5 KB 471.5 KB 471.5 KB471.5 KB471.5 KB0 b0.00 %
First Party Total Content Size 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %