Metrics per run

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

Tested 2025-04-05 17:42:54 using Chrome 134.0.6998.35 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 490 ms 506 ms 487 ms 577 ms 488 ms490 ms510 ms34 ms6.75 %
First Contentful Paint 1.184 s 1.172 s 1.184 s 1.260 s 1.188 s1.184 s1.198 s32 ms2.64 %
Largest Contentful Paint 1.184 s 1.172 s 1.184 s 1.260 s 1.188 s1.184 s1.198 s32 ms2.64 %
Total Blocking Time 61 ms 45 ms 68 ms 83 ms 76 ms68 ms67 ms13 ms19.66 %
Cumulative Layout Shift 0 0 0 0 00000.00 %
Timing metrics
First Paint 1.184 s 1.172 s 1.184 s 1.260 s 1.188 s1.184 s1.198 s32 ms2.64 %
First Contentful Paint 1.184 s 1.172 s 1.184 s 1.260 s 1.188 s1.184 s1.198 s32 ms2.64 %
Largest Contentful Paint 1.184 s 1.172 s 1.184 s 1.260 s 1.188 s1.184 s1.198 s32 ms2.64 %
Load Event End 2.266 s 2.226 s 2.278 s 2.330 s 2.248 s2.266 s2.270 s35 ms1.54 %
Server Response Time 471 ms 470 ms 469 ms 470 ms 470 ms470 ms470 ms1 ms0.13 %
TTFB 490 ms 506 ms 487 ms 577 ms 488 ms490 ms510 ms34 ms6.75 %
Page Load Time 2.265 s 2.226 s 2.277 s 2.329 s 2.247 s2.265 s2.269 s35 ms1.53 %
First Visual Change 1.166 s 1.166 s 1.166 s 1.233 s 1.166 s1.166 s1.179 s27 ms2.27 %
Last Visual Change 1.933 s 1.966 s 1.966 s 2.000 s 1.900 s1.966 s1.953 s34 ms1.74 %
Speed Index 1.182 s 1.183 s 1.182 s 1.249 s 1.180 s1.182 s1.195 s27 ms2.25 %
Visual Readiness 767 ms 800 ms 800 ms 767 ms 734 ms767 ms774 ms25 ms3.19 %
Visual Complete 95 1.166 s 1.166 s 1.166 s 1.233 s 1.166 s1.166 s1.179 s27 ms2.27 %
Visual Complete 99 1.933 s 1.966 s 1.966 s 2.000 s 1.900 s1.966 s1.953 s34 ms1.74 %
CPU metrics
Total Blocking Time 61 ms 45 ms 68 ms 83 ms 76 ms68 ms67 ms13 ms19.66 %
Max Potential FID 96 ms 87 ms 98 ms 104 ms 89 ms96 ms95 ms6 ms6.52 %
Number of Long Tasks 3 3 3 4 433014.41 %
Total Duration of Long Tasks 480 ms 447 ms 471 ms 539 ms 529 ms480 ms493 ms35 ms7.13 %
Browser metrics
CPU benchmark score 39 ms 40 ms 40 ms 40 ms 40 ms40 ms40 ms0 ms1.01 %
Page metrics
Cumulative Layout Shift 0 0 0 0 00000.00 %
DOM elements 13304 13304 13305 13305 13305133051330500.00 %
Document height 44572 44572 44572 44572 44572445724457200.00 %
Total Requests 65 65 65 65 65656500.00 %
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 831.9 KB 831.9 KB 831.9 KB 831.9 KB 831.9 KB831.9 KB831.9 KB2 B0.00 %
HTML Transfer Size 192.0 KB 192.0 KB 192.0 KB 192.0 KB 192.0 KB192.0 KB192.0 KB0 b0.00 %
JavaScript Transfer Size 282.8 KB 282.8 KB 282.8 KB 282.8 KB 282.8 KB282.8 KB282.8 KB2 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 2.6 MB 2.6 MB 2.6 MB 2.6 MB 2.6 MB2.6 MB2.6 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 186.2 KB 186.2 KB 186.2 KB 186.2 KB 186.2 KB186.2 KB186.2 KB0 b0.00 %
Image Content Size 275.0 KB 275.0 KB 275.0 KB 275.0 KB 275.0 KB275.0 KB275.0 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 65 65 65 65 65656500.00 %
First Party Total Transfer Size 831.9 KB 831.9 KB 831.9 KB 831.9 KB 831.9 KB831.9 KB831.9 KB2 B0.00 %
First Party Total Content Size 2.6 MB 2.6 MB 2.6 MB 2.6 MB 2.6 MB2.6 MB2.6 MB0 b0.00 %