Metrics per run

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

Tested 2025-09-01 05:43:46 using Chrome 139.0.7258.127 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 486 ms 503 ms503 ms498 ms9 ms1.77 %
First Contentful Paint 836 ms 832 ms 840 ms836 ms836 ms3 ms0.39 %
Largest Contentful Paint 1.216 s 1.224 s 1.220 s1.220 s1.220 s3 ms0.27 %
Total Blocking Time 907 ms 940 ms 830 ms907 ms892 ms46 ms5.17 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 836 ms 832 ms 840 ms836 ms836 ms3 ms0.39 %
First Contentful Paint 836 ms 832 ms 840 ms836 ms836 ms3 ms0.39 %
Largest Contentful Paint 1.216 s 1.224 s 1.220 s1.220 s1.220 s3 ms0.27 %
Load Event End 3.018 s 3.039 s 1.541 s3.018 s2.533 s701 ms27.69 %
Server Response Time 329 ms 329 ms 329 ms329 ms329 ms0 ms0.00 %
TTFB 506 ms 486 ms 503 ms503 ms498 ms9 ms1.77 %
Page Load Time 3.015 s 3.037 s 1.541 s3.015 s2.531 s700 ms27.66 %
First Visual Change 834 ms 833 ms 867 ms834 ms845 ms16 ms1.87 %
Last Visual Change 7.100 s 7.066 s 7.100 s7.100 s7.089 s16 ms0.23 %
Speed Index 2.238 s 2.239 s 2.227 s2.238 s2.235 s5 ms0.24 %
Visual Readiness 6.266 s 6.233 s 6.233 s6.233 s6.244 s16 ms0.25 %
Visual Complete 95 7.067 s 7.033 s 7.067 s7.067 s7.056 s16 ms0.23 %
Visual Complete 99 7.067 s 7.033 s 7.067 s7.067 s7.056 s16 ms0.23 %
CPU metrics
Total Blocking Time 907 ms 940 ms 830 ms907 ms892 ms46 ms5.17 %
Max Potential FID 416 ms 390 ms 399 ms399 ms402 ms11 ms2.68 %
Number of Long Tasks 12 11 12121204.04 %
Total Duration of Long Tasks 1.578 s 1.568 s 1.512 s1.568 s1.553 s29 ms1.87 %
Browser metrics
CPU benchmark score 249 ms 252 ms 252 ms252 ms251 ms1 ms0.56 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 4258 4258 42584258425800.00 %
Document height 4848 4848 48484848484800.00 %
Total Requests 32 32 32323200.00 %
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 446.6 KB 446.6 KB 446.6 KB446.6 KB446.6 KB0 b0.00 %
HTML Transfer Size 75.6 KB 75.6 KB 75.6 KB75.6 KB75.6 KB0 b0.00 %
JavaScript Transfer Size 216.0 KB 216.0 KB 216.0 KB216.0 KB216.0 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 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
JSON Transfer Size 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 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 341.2 KB 341.2 KB 341.2 KB341.2 KB341.2 KB0 b0.00 %
JavaScript Content Size 824.2 KB 824.2 KB 824.2 KB824.2 KB824.2 KB0 b0.00 %
CSS Content Size 153.1 KB 153.1 KB 153.1 KB153.1 KB153.1 KB0 b0.00 %
Image Content Size 108.1 KB 108.1 KB 108.1 KB108.1 KB108.1 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 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 32 32 32323200.00 %
First Party Total Transfer Size 446.6 KB 446.6 KB 446.6 KB446.6 KB446.6 KB0 b0.00 %
First Party Total Content Size 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB0 b0.00 %