Metrics per run

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

Tested 2025-07-12 05:31:39 using Chrome 138.0.7204.49 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 504 ms 486 ms 504 ms504 ms498 ms8 ms1.70 %
First Contentful Paint 1.040 s 1.020 s 1.032 s1.032 s1.031 s8 ms0.80 %
Largest Contentful Paint 1.436 s 1.400 s 1.412 s1.412 s1.416 s15 ms1.06 %
Total Blocking Time 1.441 s 1.279 s 1.237 s1.279 s1.319 s88 ms6.67 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.040 s 1.020 s 1.032 s1.032 s1.031 s8 ms0.80 %
First Contentful Paint 1.040 s 1.020 s 1.032 s1.032 s1.031 s8 ms0.80 %
Largest Contentful Paint 1.436 s 1.400 s 1.412 s1.412 s1.416 s15 ms1.06 %
Load Event End 3.806 s 1.904 s 1.883 s1.904 s2.531 s902 ms35.62 %
Server Response Time 456 ms 458 ms 456 ms456 ms457 ms1 ms0.21 %
TTFB 504 ms 486 ms 504 ms504 ms498 ms8 ms1.70 %
Page Load Time 3.801 s 1.904 s 1.883 s1.904 s2.529 s899 ms35.55 %
First Visual Change 1.067 s 1.000 s 1.033 s1.033 s1.033 s27 ms2.65 %
Last Visual Change 7.500 s 7.333 s 7.333 s7.333 s7.389 s79 ms1.07 %
Speed Index 1.637 s 1.571 s 1.581 s1.581 s1.596 s29 ms1.82 %
Visual Readiness 6.433 s 6.333 s 6.300 s6.333 s6.355 s57 ms0.89 %
Visual Complete 95 1.534 s 1.433 s 1.466 s1.466 s1.478 s42 ms2.85 %
Visual Complete 99 7.200 s 7.166 s 7.166 s7.166 s7.177 s16 ms0.22 %
CPU metrics
Total Blocking Time 1.441 s 1.279 s 1.237 s1.279 s1.319 s88 ms6.67 %
Max Potential FID 403 ms 363 ms 385 ms385 ms384 ms16 ms4.26 %
Number of Long Tasks 11 12 11111104.16 %
Total Duration of Long Tasks 2.071 s 1.959 s 1.860 s1.959 s1.963 s86 ms4.39 %
Browser metrics
CPU benchmark score 254 ms 251 ms 251 ms251 ms252 ms1 ms0.56 %
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 KB1 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 KB1 B0.00 %
First Party Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %