Metrics per run

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

Tested 2026-03-04 08:38:35 using Chrome 144.0.7559.59 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 503 ms 413 ms 413 ms413 ms443 ms42 ms9.58 %
First Contentful Paint 1.116 s 1.036 s 1.036 s1.036 s1.063 s38 ms3.55 %
Largest Contentful Paint 1.492 s 1.404 s 1.436 s1.436 s1.444 s36 ms2.52 %
Total Blocking Time 1.543 s 1.508 s 1.557 s1.543 s1.536 s21 ms1.34 %
Cumulative Layout Shift 0.478 0.478 0.4780.4780.47800.00 %
Timing metrics
First Paint 1.116 s 1.036 s 1.036 s1.036 s1.063 s38 ms3.55 %
First Contentful Paint 1.116 s 1.036 s 1.036 s1.036 s1.063 s38 ms3.55 %
Largest Contentful Paint 1.492 s 1.404 s 1.436 s1.436 s1.444 s36 ms2.52 %
Load Event End 2.027 s 1.938 s 4.287 s2.027 s2.751 s1.087 s39.52 %
Server Response Time 462 ms 463 ms 462 ms462 ms462 ms0 ms0.10 %
TTFB 503 ms 413 ms 413 ms413 ms443 ms42 ms9.58 %
Page Load Time 2.027 s 1.938 s 4.285 s2.027 s2.750 s1.086 s39.49 %
First Visual Change 1.134 s 1.067 s 1.067 s1.067 s1.089 s32 ms2.90 %
Last Visual Change 15.067 s 14.567 s 15.067 s15.067 s14.900 s236 ms1.58 %
Speed Index 3.266 s 3.094 s 3.103 s3.103 s3.154 s79 ms2.51 %
Visual Readiness 13.933 s 13.500 s 14.000 s13.933 s13.811 s222 ms1.60 %
Visual Complete 95 12.334 s 12.234 s 12.234 s12.234 s12.267 s47 ms0.38 %
Visual Complete 99 13.934 s 13.567 s 13.800 s13.800 s13.767 s152 ms1.10 %
CPU metrics
Total Blocking Time 1.543 s 1.508 s 1.557 s1.543 s1.536 s21 ms1.34 %
Max Potential FID 457 ms 431 ms 447 ms447 ms445 ms11 ms2.41 %
Number of Long Tasks 14 14 15141403.29 %
Total Duration of Long Tasks 2.322 s 2.288 s 2.387 s2.322 s2.332 s41 ms1.76 %
Browser metrics
CPU benchmark score 253 ms 256 ms 258 ms256 ms256 ms2 ms0.80 %
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 MB114 B0.01 %
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 MB116 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 370.8 KB 371.0 KB 371.0 KB371.0 KB370.9 KB116 B0.03 %
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 MB114 B0.01 %
First Party Total Content Size 2.7 MB 2.7 MB 2.7 MB2.7 MB2.7 MB116 B0.00 %