Metrics per run

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

Tested 2025-12-27 21:28:06 using Chrome 143.0.7499.109 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 488 ms 507 ms 488 ms 504 ms504 ms499 ms9 ms1.75 %
First Contentful Paint 1.012 s 948 ms 952 ms 944 ms 976 ms952 ms966 ms25 ms2.63 %
Largest Contentful Paint 1.012 s 948 ms 952 ms 944 ms 976 ms952 ms966 ms25 ms2.63 %
Interaction to Next Paint 496 ms 448 ms 432 ms 440 ms 456 ms448 ms454 ms22 ms4.90 %
Total Blocking Time 0 ms 0 ms 0 ms 0 ms 0 ms0 ms0 ms0 ms0.00 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.012 s 948 ms 952 ms 944 ms 976 ms952 ms966 ms25 ms2.63 %
First Contentful Paint 1.012 s 948 ms 952 ms 944 ms 976 ms952 ms966 ms25 ms2.63 %
Largest Contentful Paint 1.012 s 948 ms 952 ms 944 ms 976 ms952 ms966 ms25 ms2.63 %
Load Event End 1.527 s 1.699 s 1.734 s 1.683 s 1.697 s1.697 s1.668 s72 ms4.35 %
Server Response Time 385 ms 385 ms 385 ms 384 ms 385 ms385 ms385 ms0 ms0.10 %
TTFB 506 ms 488 ms 507 ms 488 ms 504 ms504 ms499 ms9 ms1.75 %
Page Load Time 1.527 s 1.699 s 1.734 s 1.682 s 1.696 s1.696 s1.668 s72 ms4.34 %
First Visual Change 1.000 s 933 ms 933 ms 933 ms 933 ms933 ms946 ms27 ms2.83 %
Last Visual Change 1.433 s 1.566 s 1.633 s 1.566 s 1.600 s1.566 s1.560 s68 ms4.36 %
Speed Index 1.020 s 954 ms 955 ms 954 ms 955 ms955 ms968 ms26 ms2.71 %
Visual Readiness 433 ms 633 ms 700 ms 633 ms 667 ms633 ms613 ms93 ms15.24 %
Visual Complete 95 1.233 s 1.066 s 1.033 s 1.066 s 1.033 s1.066 s1.086 s75 ms6.89 %
Visual Complete 99 1.366 s 1.533 s 1.500 s 1.500 s 1.500 s1.500 s1.480 s58 ms3.94 %
CPU metrics
Total Blocking Time 0 ms 0 ms 0 ms 0 ms 0 ms0 ms0 ms0 ms0.00 %
Max Potential FID 0 ms 0 ms 0 ms 0 ms 0 ms0 ms0 ms0 ms0.00 %
Number of Long Tasks 1 1 1 1 11100.00 %
Total Duration of Long Tasks 173 ms 155 ms 161 ms 159 ms 159 ms159 ms161 ms6 ms3.79 %
Browser metrics
CPU benchmark score 38 ms 41 ms 33 ms 34 ms 36 ms36 ms36 ms3 ms7.89 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 5939 5939 5939 5939 59395939593900.00 %
Document height 24082 24082 24082 24082 24082240822408200.00 %
Total Requests 55 55 55 55 55555500.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
CSS Requests 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 609.6 KB 609.6 KB 609.6 KB 609.6 KB 609.6 KB609.6 KB609.6 KB2 B0.00 %
HTML Transfer Size 108.1 KB 108.1 KB 108.1 KB 108.1 KB 108.1 KB108.1 KB108.1 KB0 b0.00 %
JavaScript Transfer Size 293.5 KB 293.5 KB 293.5 KB 293.5 KB 293.5 KB293.5 KB293.5 KB0 b0.00 %
CSS Transfer Size 29.9 KB 29.9 KB 29.9 KB 29.9 KB 29.9 KB29.9 KB29.9 KB4 B0.01 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 25.3 KB 25.3 KB 25.3 KB 25.3 KB 25.3 KB25.3 KB25.3 KB0 b0.00 %
Total Content Size 2.1 MB 2.1 MB 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %
HTML Content Size 642.2 KB 642.2 KB 642.2 KB 642.2 KB 642.2 KB642.2 KB642.2 KB0 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 202.4 KB 202.4 KB 202.4 KB 202.4 KB 202.4 KB202.4 KB202.4 KB0 b0.00 %
Image Content Size 127.0 KB 127.0 KB 127.0 KB 127.0 KB 127.0 KB127.0 KB127.0 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 20.8 KB 20.8 KB 20.8 KB 20.8 KB 20.8 KB20.8 KB20.8 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 55 55 55 55 55555500.00 %
First Party Total Transfer Size 609.6 KB 609.6 KB 609.6 KB 609.6 KB 609.6 KB609.6 KB609.6 KB2 B0.00 %
First Party Total Content Size 2.1 MB 2.1 MB 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %