Metrics per run

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

Tested 2025-07-12 02:35:09 using Chrome 138.0.7204.49 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 506 ms 502 ms506 ms505 ms2 ms0.37 %
First Contentful Paint 1.028 s 1.044 s 1.028 s1.028 s1.033 s8 ms0.73 %
Largest Contentful Paint 1.380 s 1.404 s 1.396 s1.396 s1.393 s10 ms0.72 %
Total Blocking Time 1.295 s 1.266 s 1.279 s1.279 s1.280 s12 ms0.93 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.028 s 1.044 s 1.028 s1.028 s1.033 s8 ms0.73 %
First Contentful Paint 1.028 s 1.044 s 1.028 s1.028 s1.033 s8 ms0.73 %
Largest Contentful Paint 1.380 s 1.404 s 1.396 s1.396 s1.393 s10 ms0.72 %
Load Event End 1.855 s 1.882 s 1.886 s1.882 s1.874 s14 ms0.73 %
Server Response Time 457 ms 457 ms 458 ms457 ms457 ms0 ms0.10 %
TTFB 506 ms 506 ms 502 ms506 ms505 ms2 ms0.37 %
Page Load Time 1.855 s 1.882 s 1.886 s1.882 s1.874 s14 ms0.73 %
First Visual Change 1.034 s 1.067 s 1.033 s1.034 s1.045 s16 ms1.51 %
Last Visual Change 7.367 s 7.367 s 7.333 s7.367 s7.356 s16 ms0.22 %
Speed Index 1.642 s 1.593 s 1.580 s1.593 s1.605 s27 ms1.66 %
Visual Readiness 6.333 s 6.300 s 6.300 s6.300 s6.311 s16 ms0.25 %
Visual Complete 95 7.067 s 1.500 s 1.400 s1.500 s3.322 s2.648 s79.71 %
Visual Complete 99 7.200 s 7.200 s 7.166 s7.200 s7.189 s16 ms0.22 %
CPU metrics
Total Blocking Time 1.295 s 1.266 s 1.279 s1.279 s1.280 s12 ms0.93 %
Max Potential FID 376 ms 365 ms 368 ms368 ms370 ms5 ms1.26 %
Number of Long Tasks 11 11 11111100.00 %
Total Duration of Long Tasks 1.911 s 1.895 s 1.903 s1.903 s1.903 s7 ms0.34 %
Browser metrics
CPU benchmark score 248 ms 259 ms 253 ms253 ms253 ms4 ms1.78 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 11389 11389 11389113891138900.00 %
Document height 4356 4356 43564356435600.00 %
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 538.6 KB 538.6 KB 538.6 KB538.6 KB538.6 KB0 b0.00 %
HTML Transfer Size 180.3 KB 180.3 KB 180.3 KB180.3 KB180.3 KB0 b0.00 %
JavaScript Transfer Size 220.1 KB 220.1 KB 220.1 KB220.1 KB220.1 KB0 b0.00 %
CSS Transfer Size 22.0 KB 22.0 KB 22.0 KB22.0 KB22.0 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 1.6 KB 1.6 KB 1.6 KB1.6 KB1.6 KB0 b0.00 %
SVG Transfer Size 16.1 KB 16.1 KB 16.1 KB16.1 KB16.1 KB0 b0.00 %
Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %
HTML Content Size 997.8 KB 997.8 KB 997.8 KB997.8 KB997.8 KB0 b0.00 %
JavaScript Content Size 855.8 KB 855.8 KB 855.8 KB855.8 KB855.8 KB0 b0.00 %
CSS Content Size 153.5 KB 153.5 KB 153.5 KB153.5 KB153.5 KB0 b0.00 %
Image Content Size 91.9 KB 91.9 KB 91.9 KB91.9 KB91.9 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 30 30 30303000.00 %
First Party Total Transfer Size 538.6 KB 538.6 KB 538.6 KB538.6 KB538.6 KB0 b0.00 %
First Party Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %