Metrics per run

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

Tested 2026-04-13 00:48:43 using Chrome 146.0.7680.80 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 415 ms 413 ms 398 ms413 ms409 ms8 ms1.86 %
First Contentful Paint 876 ms 880 ms 860 ms876 ms872 ms9 ms0.99 %
Largest Contentful Paint 1.212 s 1.256 s 1.216 s1.216 s1.228 s20 ms1.62 %
Interaction to Next Paint 144 ms 184 ms NaN s164 ms164 ms20 ms12.20 %
Total Blocking Time 1.097 s 1.089 s 1.067 s1.089 s1.084 s13 ms1.17 %
Cumulative Layout Shift 0.01 0.01 0.010.0110.01100.00 %
Timing metrics
First Paint 876 ms 880 ms 860 ms876 ms872 ms9 ms0.99 %
First Contentful Paint 876 ms 880 ms 860 ms876 ms872 ms9 ms0.99 %
Largest Contentful Paint 1.212 s 1.256 s 1.216 s1.216 s1.228 s20 ms1.62 %
Load Event End 3.223 s 2.950 s 3.152 s3.152 s3.108 s116 ms3.72 %
Server Response Time 363 ms 363 ms 363 ms363 ms363 ms0 ms0.00 %
TTFB 415 ms 413 ms 398 ms413 ms409 ms8 ms1.86 %
Page Load Time 3.219 s 2.946 s 3.146 s3.146 s3.104 s115 ms3.72 %
First Visual Change 900 ms 900 ms 867 ms900 ms889 ms16 ms1.75 %
Last Visual Change 9.600 s 9.634 s 9.600 s9.600 s9.611 s16 ms0.17 %
Speed Index 1.513 s 1.539 s 1.511 s1.513 s1.521 s13 ms0.84 %
Visual Readiness 8.700 s 8.734 s 8.733 s8.733 s8.722 s16 ms0.18 %
Visual Complete 95 2.967 s 3.000 s 3.067 s3.000 s3.011 s42 ms1.38 %
Visual Complete 99 9.567 s 9.600 s 9.567 s9.567 s9.578 s16 ms0.16 %
CPU metrics
Total Blocking Time 1.097 s 1.089 s 1.067 s1.089 s1.084 s13 ms1.17 %
Max Potential FID 408 ms 381 ms 400 ms400 ms396 ms11 ms2.86 %
Number of Long Tasks 13 12 11121216.80 %
Total Duration of Long Tasks 1.795 s 1.733 s 1.661 s1.733 s1.730 s55 ms3.17 %
Browser metrics
CPU benchmark score 255 ms 244 ms 253 ms253 ms251 ms5 ms1.91 %
Page metrics
Cumulative Layout Shift 0.01 0.01 0.010.0110.01100.00 %
DOM elements 4728 4728 47284728472800.00 %
Document height 4588 4588 45884588458800.00 %
Total Requests 30 30 30303000.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 5 5 55500.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 490.3 KB 490.3 KB 490.5 KB490.3 KB490.4 KB65 B0.01 %
HTML Transfer Size 101.9 KB 101.9 KB 101.9 KB101.9 KB101.9 KB0 b0.00 %
JavaScript Transfer Size 241.1 KB 241.1 KB 241.1 KB241.1 KB241.1 KB0 b0.00 %
CSS Transfer Size 22.6 KB 22.6 KB 22.6 KB22.6 KB22.6 KB11 B0.05 %
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 1.9 KB1.8 KB1.8 KB76 B4.09 %
SVG Transfer Size 18.4 KB 18.4 KB 18.4 KB18.4 KB18.4 KB0 b0.00 %
Total Content Size 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB0 b0.00 %
HTML Content Size 560.5 KB 560.5 KB 560.5 KB560.5 KB560.5 KB0 b0.00 %
JavaScript Content Size 918.6 KB 918.6 KB 918.6 KB918.6 KB918.6 KB0 b0.00 %
CSS Content Size 159.5 KB 159.5 KB 159.5 KB159.5 KB159.5 KB0 b0.00 %
Image Content Size 96.5 KB 96.5 KB 96.5 KB96.5 KB96.5 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 14.0 KB 14.0 KB 14.0 KB14.0 KB14.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 30 30 30303000.00 %
First Party Total Transfer Size 490.3 KB 490.3 KB 490.5 KB490.3 KB490.4 KB65 B0.01 %
First Party Total Content Size 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB0 b0.00 %