Metrics per run

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

Tested 2025-12-27 18:12:46 using Firefox 146.0 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 157 ms 140 ms 136 ms 137 ms 465 ms140 ms207 ms129 ms62.43 %
First Contentful Paint 984 ms 918 ms 918 ms 961 ms 1.643 s961 ms1.085 s280 ms25.83 %
Largest Contentful Paint 984 ms 918 ms 939 ms 961 ms 1.663 s961 ms1.093 s286 ms26.15 %
Timing metrics
First Paint 983 ms 918 ms 918 ms 961 ms 1.642 s961 ms1.084 s280 ms25.81 %
First Contentful Paint 984 ms 918 ms 918 ms 961 ms 1.643 s961 ms1.085 s280 ms25.83 %
Largest Contentful Paint 984 ms 918 ms 939 ms 961 ms 1.663 s961 ms1.093 s286 ms26.15 %
Load Event End 2.397 s 2.170 s 2.090 s 2.447 s 3.088 s2.397 s2.438 s351 ms14.41 %
Server Response Time 149 ms 130 ms 128 ms 131 ms 458 ms131 ms199 ms130 ms65.07 %
TTFB 157 ms 140 ms 136 ms 137 ms 465 ms140 ms207 ms129 ms62.43 %
Page Load Time 2.397 s 2.169 s 2.090 s 2.446 s 3.088 s2.397 s2.438 s351 ms14.42 %
First Visual Change 1.033 s 966 ms 933 ms 1.000 s 1.700 s1.000 s1.126 s289 ms25.63 %
Last Visual Change 6.066 s 5.800 s 5.900 s 6.133 s 6.633 s6.066 s6.106 s288 ms4.72 %
Speed Index 1.479 s 1.378 s 1.367 s 1.463 s 2.129 s1.463 s1.563 s286 ms18.32 %
Visual Readiness 5.033 s 4.834 s 4.967 s 5.133 s 4.933 s4.967 s4.980 s100 ms2.01 %
Visual Complete 95 4.233 s 3.933 s 4.067 s 4.300 s 4.800 s4.233 s4.267 s296 ms6.94 %
Visual Complete 99 5.800 s 5.566 s 5.667 s 5.933 s 6.366 s5.800 s5.866 s279 ms4.75 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 79 ms 78 ms 79 ms 76 ms78 ms73 ms10 ms14.36 %
Page metrics
DOM elements 22245 22246 22245 22245 22246222452224500.00 %
Document height 64344 64344 64344 64344 64344643446434400.00 %
Total Requests 98 99 99 98 98989800.50 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 4 4 5 4 44409.52 %
CSS Requests 2 3 2 2 222018.18 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB523 B0.04 %
HTML Transfer Size 306.3 KB 306.3 KB 306.3 KB 306.3 KB 306.3 KB306.3 KB306.3 KB1 B0.00 %
JavaScript Transfer Size 101.7 KB 101.7 KB 102.7 KB 101.7 KB 101.7 KB101.7 KB101.9 KB442 B0.42 %
CSS Transfer Size 24.1 KB 25.1 KB 24.1 KB 24.1 KB 24.1 KB24.1 KB24.3 KB410 B1.65 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Transfer Size 683 B 683 B 683 B 683 B 683 B683 B683 B0 b0.00 %
SVG Transfer Size 23.1 KB 23.1 KB 23.1 KB 23.1 KB 23.1 KB23.1 KB23.1 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 98 99 99 98 98989800.50 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB523 B0.04 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %