Metrics per run

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

Tested 2025-02-20 18:14:31 using Chrome 133.0.6943.53 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 488 ms 488 ms 486 ms 506 ms 504 ms488 ms494 ms9 ms1.76 %
First Contentful Paint 1.152 s 1.172 s 1.164 s 1.160 s 1.172 s1.164 s1.164 s8 ms0.65 %
Largest Contentful Paint 1.152 s 1.172 s 1.164 s 1.160 s 1.172 s1.164 s1.164 s8 ms0.65 %
Total Blocking Time 51 ms 75 ms 56 ms 76 ms 43 ms56 ms60 ms13 ms21.87 %
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
Timing metrics
First Paint 1.152 s 1.172 s 1.164 s 1.160 s 1.172 s1.164 s1.164 s8 ms0.65 %
First Contentful Paint 1.152 s 1.172 s 1.164 s 1.160 s 1.172 s1.164 s1.164 s8 ms0.65 %
Largest Contentful Paint 1.152 s 1.172 s 1.164 s 1.160 s 1.172 s1.164 s1.164 s8 ms0.65 %
Load Event End 2.110 s 2.174 s 2.138 s 2.184 s 2.133 s2.138 s2.148 s27 ms1.27 %
Server Response Time 470 ms 470 ms 470 ms 470 ms 470 ms470 ms470 ms0 ms0.00 %
TTFB 488 ms 488 ms 486 ms 506 ms 504 ms488 ms494 ms9 ms1.76 %
Page Load Time 2.110 s 2.174 s 2.138 s 2.183 s 2.133 s2.138 s2.148 s27 ms1.26 %
First Visual Change 1.133 s 1.166 s 1.166 s 1.166 s 1.166 s1.166 s1.159 s13 ms1.14 %
Last Visual Change 2.166 s 2.200 s 2.200 s 2.233 s 2.166 s2.200 s2.193 s25 ms1.15 %
Speed Index 1.251 s 1.284 s 1.281 s 1.288 s 1.281 s1.281 s1.277 s13 ms1.04 %
Visual Readiness 1.033 s 1.034 s 1.034 s 1.067 s 1.000 s1.034 s1.034 s21 ms2.05 %
Visual Complete 95 2.133 s 2.200 s 2.166 s 2.233 s 2.166 s2.166 s2.180 s34 ms1.56 %
Visual Complete 99 2.133 s 2.200 s 2.166 s 2.233 s 2.166 s2.166 s2.180 s34 ms1.56 %
CPU metrics
Total Blocking Time 51 ms 75 ms 56 ms 76 ms 43 ms56 ms60 ms13 ms21.87 %
Max Potential FID 101 ms 96 ms 106 ms 100 ms 93 ms100 ms99 ms4 ms4.48 %
Number of Long Tasks 2 4 2 4 223134.99 %
Total Duration of Long Tasks 392 ms 535 ms 415 ms 508 ms 385 ms415 ms447 ms62 ms13.92 %
Browser metrics
CPU benchmark score 40 ms 42 ms 40 ms 40 ms 40 ms40 ms40 ms1 ms1.98 %
Page metrics
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
DOM elements 13367 13368 13367 13368 13367133671336700.00 %
Document height 45007 45007 45007 45007 45007450074500700.00 %
Total Requests 69 69 69 69 69696900.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
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 917.3 KB 917.3 KB 917.3 KB 917.3 KB 917.3 KB917.3 KB917.3 KB12 B0.00 %
HTML Transfer Size 192.8 KB 192.8 KB 192.8 KB 192.8 KB 192.8 KB192.8 KB192.8 KB0 b0.00 %
JavaScript Transfer Size 279.6 KB 279.6 KB 279.6 KB 279.6 KB 279.6 KB279.6 KB279.6 KB0 b0.00 %
CSS Transfer Size 25.9 KB 25.9 KB 25.9 KB 25.9 KB 25.9 KB25.9 KB25.9 KB0 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 34.9 KB 34.8 KB 34.8 KB 34.8 KB 34.8 KB34.8 KB34.8 KB13 B0.04 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 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 186.4 KB 186.4 KB 186.4 KB 186.4 KB 186.4 KB186.4 KB186.4 KB0 b0.00 %
Image Content Size 353.3 KB 353.3 KB 353.3 KB 353.3 KB 353.3 KB353.3 KB353.3 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 40.0 KB 40.0 KB 40.0 KB 40.0 KB 40.0 KB40.0 KB40.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 69 69 69 69 69696900.00 %
First Party Total Transfer Size 917.3 KB 917.3 KB 917.3 KB 917.3 KB 917.3 KB917.3 KB917.3 KB12 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 %