Metrics per run

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

Tested 2026-03-04 12:58:27 using Chrome 144.0.7559.59 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 431 ms 426 ms 413 ms426 ms423 ms8 ms1.79 %
First Contentful Paint 1.044 s 1.052 s 1.028 s1.044 s1.041 s10 ms0.96 %
Largest Contentful Paint 1.436 s 1.436 s 1.404 s1.436 s1.425 s15 ms1.06 %
Total Blocking Time 1.467 s 1.446 s 1.471 s1.467 s1.461 s11 ms0.75 %
Cumulative Layout Shift 0.478 0.478 0.4780.4780.47800.00 %
Timing metrics
First Paint 1.044 s 1.052 s 1.028 s1.044 s1.041 s10 ms0.96 %
First Contentful Paint 1.044 s 1.052 s 1.028 s1.044 s1.041 s10 ms0.96 %
Largest Contentful Paint 1.436 s 1.436 s 1.404 s1.436 s1.425 s15 ms1.06 %
Load Event End 1.920 s 1.935 s 1.882 s1.920 s1.912 s22 ms1.17 %
Server Response Time 463 ms 462 ms 463 ms463 ms463 ms0 ms0.10 %
TTFB 431 ms 426 ms 413 ms426 ms423 ms8 ms1.79 %
Page Load Time 1.920 s 1.935 s 1.882 s1.920 s1.912 s22 ms1.17 %
First Visual Change 1.067 s 1.033 s 1.034 s1.034 s1.045 s16 ms1.51 %
Last Visual Change 14.567 s 14.500 s 14.500 s14.500 s14.522 s32 ms0.22 %
Speed Index 3.164 s 3.054 s 3.098 s3.098 s3.105 s45 ms1.46 %
Visual Readiness 13.500 s 13.467 s 13.466 s13.467 s13.478 s16 ms0.12 %
Visual Complete 95 12.167 s 12.100 s 12.134 s12.134 s12.134 s27 ms0.23 %
Visual Complete 99 13.567 s 12.900 s 12.900 s12.900 s13.122 s314 ms2.40 %
CPU metrics
Total Blocking Time 1.467 s 1.446 s 1.471 s1.467 s1.461 s11 ms0.75 %
Max Potential FID 442 ms 461 ms 443 ms443 ms449 ms9 ms1.95 %
Number of Long Tasks 13 14 14141403.45 %
Total Duration of Long Tasks 2.195 s 2.231 s 2.253 s2.231 s2.226 s24 ms1.07 %
Browser metrics
CPU benchmark score 253 ms 255 ms 253 ms253 ms254 ms1 ms0.37 %
Page metrics
Cumulative Layout Shift 0.478 0.478 0.4780.4780.47800.00 %
DOM elements 11539 11539 11539115391153900.00 %
Document height 4922 4922 49224922492200.00 %
Total Requests 34 34 34343400.00 %
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 1.0 MB 1.0 MB 1.0 MB1.0 MB1.0 MB1 B0.00 %
HTML Transfer Size 184.5 KB 184.5 KB 184.5 KB184.5 KB184.5 KB0 b0.00 %
JavaScript Transfer Size 244.5 KB 244.5 KB 244.5 KB244.5 KB244.5 KB1 B0.00 %
CSS Transfer Size 23.3 KB 23.3 KB 23.3 KB23.3 KB23.3 KB0 b0.00 %
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 24.6 KB 24.6 KB 24.6 KB24.6 KB24.6 KB0 b0.00 %
Total Content Size 2.7 MB 2.7 MB 2.7 MB2.7 MB2.7 MB0 b0.00 %
HTML Content Size 1010.4 KB 1010.4 KB 1010.4 KB1010.4 KB1010.4 KB0 b0.00 %
JavaScript Content Size 933.9 KB 933.9 KB 933.9 KB933.9 KB933.9 KB0 b0.00 %
CSS Content Size 161.4 KB 161.4 KB 161.4 KB161.4 KB161.4 KB0 b0.00 %
Image Content Size 369.0 KB 369.0 KB 369.0 KB369.0 KB369.0 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 263 B 263 B 263 B263 B263 B0 b0.00 %
SVG Content Size 32.5 KB 32.5 KB 32.5 KB32.5 KB32.5 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 34 34 34343400.00 %
First Party Total Transfer Size 1.0 MB 1.0 MB 1.0 MB1.0 MB1.0 MB1 B0.00 %
First Party Total Content Size 2.7 MB 2.7 MB 2.7 MB2.7 MB2.7 MB0 b0.00 %