Metrics per run

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

Tested 2025-09-17 17:24:59 using Chrome 140.0.7339.80 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 488 ms 486 ms 486 ms486 ms487 ms1 ms0.19 %
First Contentful Paint 1.016 s 1.032 s 1.032 s1.032 s1.027 s8 ms0.73 %
Largest Contentful Paint 1.416 s 1.384 s 1.400 s1.400 s1.400 s13 ms0.93 %
Total Blocking Time 1.467 s 1.481 s 1.451 s1.467 s1.466 s12 ms0.84 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.016 s 1.032 s 1.032 s1.032 s1.027 s8 ms0.73 %
First Contentful Paint 1.016 s 1.032 s 1.032 s1.032 s1.027 s8 ms0.73 %
Largest Contentful Paint 1.416 s 1.384 s 1.400 s1.400 s1.400 s13 ms0.93 %
Load Event End 1.902 s 1.908 s 3.875 s1.908 s2.562 s929 ms36.25 %
Server Response Time 456 ms 457 ms 458 ms457 ms457 ms1 ms0.18 %
TTFB 488 ms 486 ms 486 ms486 ms487 ms1 ms0.19 %
Page Load Time 1.902 s 1.908 s 3.873 s1.908 s2.561 s928 ms36.23 %
First Visual Change 1.034 s 1.067 s 1.034 s1.034 s1.045 s16 ms1.49 %
Last Visual Change 7.100 s 7.100 s 7.100 s7.100 s7.100 s0 ms0.00 %
Speed Index 2.556 s 2.550 s 2.511 s2.550 s2.539 s20 ms0.79 %
Visual Readiness 6.066 s 6.033 s 6.066 s6.066 s6.055 s16 ms0.26 %
Visual Complete 95 7.067 s 7.067 s 7.067 s7.067 s7.067 s0 ms0.00 %
Visual Complete 99 7.067 s 7.067 s 7.067 s7.067 s7.067 s0 ms0.00 %
CPU metrics
Total Blocking Time 1.467 s 1.481 s 1.451 s1.467 s1.466 s12 ms0.84 %
Max Potential FID 422 ms 417 ms 452 ms422 ms430 ms15 ms3.59 %
Number of Long Tasks 13 13 13131300.00 %
Total Duration of Long Tasks 2.190 s 2.213 s 2.180 s2.190 s2.194 s14 ms0.63 %
Browser metrics
CPU benchmark score 250 ms 250 ms 251 ms250 ms250 ms0 ms0.19 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 11418 11418 11418114181141800.00 %
Document height 4471 4471 44714471447100.00 %
Total Requests 36 36 36363600.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 7 7 77700.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 604.6 KB 604.6 KB 604.6 KB604.6 KB604.6 KB0 b0.00 %
HTML Transfer Size 180.7 KB 180.7 KB 180.7 KB180.7 KB180.7 KB0 b0.00 %
JavaScript Transfer Size 245.8 KB 245.8 KB 245.8 KB245.8 KB245.8 KB0 b0.00 %
CSS Transfer Size 22.1 KB 22.1 KB 22.1 KB22.1 KB22.1 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 16.3 KB 16.3 KB 16.3 KB16.3 KB16.3 KB0 b0.00 %
Total Content Size 2.2 MB 2.2 MB 2.2 MB2.2 MB2.2 MB0 b0.00 %
HTML Content Size 999.8 KB 999.8 KB 999.8 KB999.8 KB999.8 KB0 b0.00 %
JavaScript Content Size 967.1 KB 967.1 KB 967.1 KB967.1 KB967.1 KB0 b0.00 %
CSS Content Size 154.2 KB 154.2 KB 154.2 KB154.2 KB154.2 KB0 b0.00 %
Image Content Size 128.2 KB 128.2 KB 128.2 KB128.2 KB128.2 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 263 B 263 B 263 B263 B263 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 36 36 36363600.00 %
First Party Total Transfer Size 604.6 KB 604.6 KB 604.6 KB604.6 KB604.6 KB0 b0.00 %
First Party Total Content Size 2.2 MB 2.2 MB 2.2 MB2.2 MB2.2 MB0 b0.00 %