Metrics per run

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

Tested 2025-12-27 23:39:08 using Chrome 143.0.7499.109 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 432 ms 502 ms 415 ms432 ms450 ms38 ms8.37 %
First Contentful Paint 920 ms 992 ms 888 ms920 ms933 ms43 ms4.66 %
Largest Contentful Paint 1.292 s 1.352 s 1.268 s1.292 s1.304 s35 ms2.71 %
Total Blocking Time 922 ms 957 ms 909 ms922 ms929 ms20 ms2.18 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 920 ms 992 ms 888 ms920 ms933 ms43 ms4.66 %
First Contentful Paint 920 ms 992 ms 888 ms920 ms933 ms43 ms4.66 %
Largest Contentful Paint 1.292 s 1.352 s 1.268 s1.292 s1.304 s35 ms2.71 %
Load Event End 1.691 s 1.747 s 1.679 s1.691 s1.706 s30 ms1.74 %
Server Response Time 371 ms 371 ms 372 ms371 ms371 ms0 ms0.13 %
TTFB 432 ms 502 ms 415 ms432 ms450 ms38 ms8.37 %
Page Load Time 1.691 s 1.747 s 1.679 s1.691 s1.706 s30 ms1.74 %
First Visual Change 933 ms 1.000 s 900 ms933 ms944 ms42 ms4.41 %
Last Visual Change 7.066 s 7.100 s 7.100 s7.100 s7.089 s16 ms0.23 %
Speed Index 1.570 s 1.636 s 1.563 s1.570 s1.590 s33 ms2.07 %
Visual Readiness 6.133 s 6.100 s 6.200 s6.133 s6.144 s42 ms0.68 %
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 922 ms 957 ms 909 ms922 ms929 ms20 ms2.18 %
Max Potential FID 319 ms 346 ms 334 ms334 ms333 ms11 ms3.32 %
Number of Long Tasks 12 12 12121200.00 %
Total Duration of Long Tasks 1.612 s 1.646 s 1.582 s1.612 s1.613 s26 ms1.62 %
Browser metrics
CPU benchmark score 253 ms 256 ms 254 ms254 ms254 ms1 ms0.49 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 4708 4708 47084708470800.00 %
Document height 4768 4768 47684768476800.00 %
Total Requests 27 27 27272700.00 %
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 444.1 KB 444.1 KB 444.1 KB444.1 KB444.1 KB10 B0.00 %
HTML Transfer Size 100.5 KB 100.5 KB 100.5 KB100.5 KB100.5 KB0 b0.00 %
JavaScript Transfer Size 228.2 KB 228.2 KB 228.2 KB228.2 KB228.2 KB0 b0.00 %
CSS Transfer Size 20.7 KB 20.7 KB 20.7 KB20.7 KB20.7 KB10 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 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 17.1 KB 17.1 KB 17.1 KB17.1 KB17.1 KB0 b0.00 %
Total Content Size 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
HTML Content Size 561.3 KB 561.3 KB 561.3 KB561.3 KB561.3 KB0 b0.00 %
JavaScript Content Size 862.5 KB 862.5 KB 862.5 KB862.5 KB862.5 KB0 b0.00 %
CSS Content Size 154.2 KB 154.2 KB 154.2 KB154.2 KB154.2 KB0 b0.00 %
Image Content Size 70.0 KB 70.0 KB 70.0 KB70.0 KB70.0 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 27 27 27272700.00 %
First Party Total Transfer Size 444.1 KB 444.1 KB 444.1 KB444.1 KB444.1 KB10 B0.00 %
First Party Total Content Size 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %