Metrics per run

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

Tested 2025-09-01 02:39:42 using Chrome 139.0.7258.127 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 485 ms 505 ms 487 ms487 ms492 ms9 ms1.83 %
First Contentful Paint 952 ms 848 ms 808 ms848 ms869 ms61 ms6.98 %
Largest Contentful Paint 1.104 s 1.196 s 1.192 s1.192 s1.164 s42 ms3.65 %
Total Blocking Time 846 ms 830 ms 1.035 s846 ms904 ms93 ms10.30 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 952 ms 848 ms 808 ms848 ms869 ms61 ms6.98 %
First Contentful Paint 952 ms 848 ms 808 ms848 ms869 ms61 ms6.98 %
Largest Contentful Paint 1.104 s 1.196 s 1.192 s1.192 s1.164 s42 ms3.65 %
Load Event End 3.010 s 2.997 s 3.118 s3.010 s3.042 s54 ms1.78 %
Server Response Time 329 ms 329 ms 329 ms329 ms329 ms0 ms0.00 %
TTFB 485 ms 505 ms 487 ms487 ms492 ms9 ms1.83 %
Page Load Time 3.007 s 2.994 s 3.115 s3.007 s3.039 s54 ms1.78 %
First Visual Change 933 ms 867 ms 800 ms867 ms867 ms54 ms6.27 %
Last Visual Change 7.066 s 7.100 s 7.100 s7.100 s7.089 s16 ms0.23 %
Speed Index 2.220 s 2.177 s 2.219 s2.219 s2.205 s20 ms0.91 %
Visual Readiness 6.133 s 6.233 s 6.300 s6.233 s6.222 s69 ms1.10 %
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 846 ms 830 ms 1.035 s846 ms904 ms93 ms10.30 %
Max Potential FID 288 ms 413 ms 464 ms413 ms388 ms74 ms19.04 %
Number of Long Tasks 12 12 11121204.04 %
Total Duration of Long Tasks 1.522 s 1.514 s 1.648 s1.522 s1.561 s61 ms3.93 %
Browser metrics
CPU benchmark score 251 ms 244 ms 253 ms251 ms249 ms4 ms1.55 %
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 447.5 KB 447.4 KB 447.4 KB447.4 KB447.4 KB4 B0.00 %
HTML Transfer Size 75.6 KB 75.6 KB 75.6 KB75.6 KB75.6 KB0 b0.00 %
JavaScript Transfer Size 215.9 KB 215.9 KB 215.9 KB215.9 KB215.9 KB0 b0.00 %
CSS Transfer Size 20.4 KB 20.4 KB 20.4 KB20.4 KB20.4 KB5 B0.02 %
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 823.1 KB 823.1 KB 823.1 KB823.1 KB823.1 KB0 b0.00 %
CSS Content Size 153.1 KB 153.1 KB 153.1 KB153.1 KB153.1 KB0 b0.00 %
Image Content Size 109.0 KB 109.0 KB 109.0 KB109.0 KB109.0 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 32 32 32323200.00 %
First Party Total Transfer Size 447.5 KB 447.4 KB 447.4 KB447.4 KB447.4 KB4 B0.00 %
First Party Total Content Size 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB0 b0.00 %