Metrics per run

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

Tested 2025-12-07 15:19:43 using Firefox 144.0.2 (script).(runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 529 ms 306 ms 119 ms 443 ms 118 ms 437 ms 523 ms437 ms354 ms164 ms46.25 %
First Contentful Paint 1.033 s 643 ms 627 ms 1.219 s 508 ms 1.220 s 1.304 s1.033 s936 ms309 ms33.05 %
Largest Contentful Paint 1.358 s 934 ms 918 ms 1.542 s 799 ms 1.496 s 1.357 s1.357 s1.201 s284 ms23.67 %
Timing metrics
First Paint 1.314 s 916 ms 903 ms 1.502 s 783 ms 1.483 s 1.316 s1.314 s1.174 s277 ms23.57 %
First Contentful Paint 1.033 s 643 ms 627 ms 1.219 s 508 ms 1.220 s 1.304 s1.033 s936 ms309 ms33.05 %
Largest Contentful Paint 1.358 s 934 ms 918 ms 1.542 s 799 ms 1.496 s 1.357 s1.357 s1.201 s284 ms23.67 %
Load Event End 2.191 s 2.037 s 1.988 s 3.058 s 1.863 s 3.019 s 2.184 s2.184 s2.334 s458 ms19.61 %
Server Response Time 522 ms 300 ms 113 ms 437 ms 112 ms 431 ms 516 ms431 ms347 ms163 ms47.00 %
TTFB 529 ms 306 ms 119 ms 443 ms 118 ms 437 ms 523 ms437 ms354 ms164 ms46.25 %
Page Load Time 2.191 s 2.036 s 1.987 s 3.057 s 1.862 s 3.018 s 2.184 s2.184 s2.334 s458 ms19.61 %
First Visual Change 1.366 s 966 ms 966 ms 1.533 s 833 ms 1.533 s 1.366 s1.366 s1.223 s272 ms22.22 %
Last Visual Change 12.266 s 12.066 s 12.066 s 13.500 s 11.900 s 13.566 s 12.266 s12.266 s12.519 s652 ms5.21 %
Speed Index 3.004 s 2.633 s 2.626 s 3.355 s 2.493 s 3.356 s 3.079 s3.004 s2.935 s330 ms11.23 %
Visual Readiness 10.900 s 11.100 s 11.100 s 11.967 s 11.067 s 12.033 s 10.900 s11.100 s11.295 s453 ms4.01 %
Visual Complete 95 10.833 s 10.633 s 10.700 s 12.033 s 10.733 s 12.100 s 10.900 s10.833 s11.133 s596 ms5.35 %
Visual Complete 99 12.066 s 11.900 s 11.866 s 13.033 s 11.700 s 13.100 s 12.100 s12.066 s12.252 s530 ms4.32 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 77 ms 77 ms 51 ms 51 ms 76 ms 78 ms76 ms66 ms13 ms19.27 %
Page metrics
DOM elements 22146 22145 22146 22145 22146 22144 22145221452214510.00 %
Document height 63869 63869 63869 63869 63869 63869 63869638696386900.00 %
Total Requests 95 94 91 95 95 95 95959411.47 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 4 4 2 4 4 4 444118.84 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB3.8 KB0.30 %
HTML Transfer Size 303.4 KB 303.4 KB 303.4 KB 303.4 KB 303.4 KB 303.4 KB 303.4 KB303.4 KB303.4 KB0 b0.00 %
JavaScript Transfer Size 124.5 KB 124.5 KB 124.5 KB 124.5 KB 124.5 KB 124.5 KB 124.5 KB124.5 KB124.5 KB2 B0.00 %
CSS Transfer Size 24.1 KB 24.1 KB 24.1 KB 24.1 KB 24.1 KB 24.1 KB 24.1 KB24.1 KB24.1 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 0 b 0 b N/A 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Transfer Size 683 B 683 B 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 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 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b N/A 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 95 94 91 95 95 95 95959411.47 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB3.8 KB0.30 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %