Metrics per run

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

Tested 2025-04-27 07:21:08 using Chrome 135.0.7049.52 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 488 ms 487 ms 489 ms 488 ms 505 ms488 ms491 ms7 ms1.39 %
First Contentful Paint 1.176 s 1.156 s 1.160 s 1.176 s 1.192 s1.176 s1.172 s13 ms1.10 %
Largest Contentful Paint 1.176 s 1.156 s 1.160 s 1.176 s 1.192 s1.176 s1.172 s13 ms1.10 %
Total Blocking Time 56 ms 60 ms 79 ms 71 ms 55 ms60 ms64 ms9 ms14.53 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.176 s 1.156 s 1.160 s 1.176 s 1.192 s1.176 s1.172 s13 ms1.10 %
First Contentful Paint 1.176 s 1.156 s 1.160 s 1.176 s 1.192 s1.176 s1.172 s13 ms1.10 %
Largest Contentful Paint 1.176 s 1.156 s 1.160 s 1.176 s 1.192 s1.176 s1.172 s13 ms1.10 %
Load Event End 2.242 s 2.261 s 2.243 s 2.193 s 2.256 s2.243 s2.239 s24 ms1.08 %
Server Response Time 474 ms 469 ms 470 ms 470 ms 470 ms470 ms471 ms2 ms0.37 %
TTFB 488 ms 487 ms 489 ms 488 ms 505 ms488 ms491 ms7 ms1.39 %
Page Load Time 2.241 s 2.260 s 2.242 s 2.192 s 2.256 s2.242 s2.238 s24 ms1.09 %
First Visual Change 1.166 s 1.166 s 1.166 s 1.166 s 1.200 s1.166 s1.173 s14 ms1.16 %
Last Visual Change 1.933 s 2.000 s 2.000 s 1.933 s 2.000 s2.000 s1.973 s33 ms1.66 %
Speed Index 1.181 s 1.181 s 1.183 s 1.183 s 1.216 s1.183 s1.189 s14 ms1.15 %
Visual Readiness 767 ms 834 ms 834 ms 767 ms 800 ms800 ms800 ms30 ms3.74 %
Visual Complete 95 1.166 s 1.166 s 1.166 s 1.166 s 1.200 s1.166 s1.173 s14 ms1.16 %
Visual Complete 99 1.900 s 1.900 s 1.966 s 1.900 s 1.966 s1.900 s1.926 s32 ms1.68 %
CPU metrics
Total Blocking Time 56 ms 60 ms 79 ms 71 ms 55 ms60 ms64 ms9 ms14.53 %
Max Potential FID 85 ms 83 ms 105 ms 89 ms 86 ms86 ms90 ms8 ms8.86 %
Number of Long Tasks 3 3 3 3 33300.00 %
Total Duration of Long Tasks 454 ms 462 ms 485 ms 476 ms 478 ms476 ms471 ms11 ms2.40 %
Browser metrics
CPU benchmark score 40 ms 40 ms 40 ms 39 ms 40 ms40 ms40 ms0 ms1.01 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 13323 13324 13323 13323 13323133231332300.00 %
Document height 44777 44777 44777 44777 44777447774477700.00 %
Total Requests 67 67 67 67 67676700.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 886.4 KB 886.4 KB 886.4 KB 886.4 KB 886.4 KB886.4 KB886.4 KB1 B0.00 %
HTML Transfer Size 191.8 KB 191.8 KB 191.8 KB 191.8 KB 191.8 KB191.8 KB191.8 KB0 b0.00 %
JavaScript Transfer Size 282.9 KB 282.9 KB 282.9 KB 282.9 KB 282.9 KB282.9 KB282.9 KB1 B0.00 %
CSS Transfer Size 25.8 KB 25.8 KB 25.8 KB 25.8 KB 25.8 KB25.8 KB25.8 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
SVG Transfer Size 27.9 KB 27.9 KB 27.9 KB 27.9 KB 27.9 KB27.9 KB27.9 KB0 b0.00 %
Total Content Size 2.7 MB 2.7 MB 2.7 MB 2.7 MB 2.7 MB2.7 MB2.7 MB0 b0.00 %
HTML Content Size 1.0 MB 1.0 MB 1.0 MB 1.0 MB 1.0 MB1.0 MB1.0 MB0 b0.00 %
JavaScript Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
CSS Content Size 186.3 KB 186.3 KB 186.3 KB 186.3 KB 186.3 KB186.3 KB186.3 KB0 b0.00 %
Image Content Size 327.8 KB 327.8 KB 327.8 KB 327.8 KB 327.8 KB327.8 KB327.8 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 23.7 KB 23.7 KB 23.7 KB 23.7 KB 23.7 KB23.7 KB23.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 67 67 67 67 67676700.00 %
First Party Total Transfer Size 886.4 KB 886.4 KB 886.4 KB 886.4 KB 886.4 KB886.4 KB886.4 KB1 B0.00 %
First Party Total Content Size 2.7 MB 2.7 MB 2.7 MB 2.7 MB 2.7 MB2.7 MB2.7 MB0 b0.00 %