Metrics per run

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

Tested 2026-04-29 17:29:54 using Chrome 146.0.7680.80 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 399 ms 416 ms 401 ms401 ms405 ms8 ms1.87 %
First Contentful Paint 1.000 s 1.016 s 984 ms1.000 s1.000 s13 ms1.31 %
Largest Contentful Paint 1.436 s 1.424 s 1.496 s1.436 s1.452 s31 ms2.17 %
Total Blocking Time 1.576 s 1.484 s 1.604 s1.576 s1.555 s51 ms3.30 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.000 s 1.016 s 984 ms1.000 s1.000 s13 ms1.31 %
First Contentful Paint 1.000 s 1.016 s 984 ms1.000 s1.000 s13 ms1.31 %
Largest Contentful Paint 1.436 s 1.424 s 1.496 s1.436 s1.452 s31 ms2.17 %
Load Event End 2.035 s 2.017 s 1.952 s2.017 s2.001 s36 ms1.78 %
Server Response Time 507 ms 514 ms 514 ms514 ms512 ms3 ms0.64 %
TTFB 399 ms 416 ms 401 ms401 ms405 ms8 ms1.87 %
Page Load Time 2.035 s 2.017 s 1.952 s2.017 s2.001 s36 ms1.78 %
First Visual Change 1.000 s 1.034 s 1.000 s1.000 s1.011 s16 ms1.58 %
Last Visual Change 7.066 s 7.100 s 7.100 s7.100 s7.089 s16 ms0.23 %
Speed Index 1.632 s 1.645 s 1.676 s1.645 s1.651 s18 ms1.12 %
Visual Readiness 6.066 s 6.066 s 6.100 s6.066 s6.077 s16 ms0.26 %
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 1.576 s 1.484 s 1.604 s1.576 s1.555 s51 ms3.30 %
Max Potential FID 469 ms 427 ms 462 ms462 ms453 ms18 ms4.06 %
Number of Long Tasks 13 10 121212110.69 %
Total Duration of Long Tasks 2.320 s 2.071 s 2.287 s2.287 s2.226 s110 ms4.96 %
Browser metrics
CPU benchmark score 252 ms 252 ms 252 ms252 ms252 ms0 ms0.00 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 11498 11498 11498114981149800.00 %
Document height 4241 4241 42414241424100.00 %
Total Requests 30 30 30303000.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 6 6 66600.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 574.0 KB 573.9 KB 574.0 KB574.0 KB574.0 KB0 b0.00 %
HTML Transfer Size 185.8 KB 185.8 KB 185.8 KB185.8 KB185.8 KB4 B0.00 %
JavaScript Transfer Size 242.5 KB 242.5 KB 242.5 KB242.5 KB242.5 KB0 b0.00 %
CSS Transfer Size 23.1 KB 23.1 KB 23.1 KB23.1 KB23.1 KB4 B0.02 %
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 18.5 KB 18.5 KB 18.5 KB18.5 KB18.5 KB0 b0.00 %
Total Content Size 2.2 MB 2.2 MB 2.2 MB2.2 MB2.2 MB0 b0.00 %
HTML Content Size 1008.3 KB 1008.3 KB 1008.3 KB1008.3 KB1008.3 KB0 b0.00 %
JavaScript Content Size 935.4 KB 935.4 KB 935.4 KB935.4 KB935.4 KB0 b0.00 %
CSS Content Size 159.5 KB 159.5 KB 159.5 KB159.5 KB159.5 KB0 b0.00 %
Image Content Size 95.4 KB 95.4 KB 95.4 KB95.4 KB95.4 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 14.0 KB 14.0 KB 14.0 KB14.0 KB14.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 30 30 30303000.00 %
First Party Total Transfer Size 574.0 KB 573.9 KB 574.0 KB574.0 KB574.0 KB0 b0.00 %
First Party Total Content Size 2.2 MB 2.2 MB 2.2 MB2.2 MB2.2 MB0 b0.00 %