Metrics per run

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

Tested 2025-09-01 02:14:08 using Firefox 142.0 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 119 ms 496 ms 485 ms 487 ms 504 ms487 ms418 ms150 ms35.81 %
First Contentful Paint 745 ms 847 ms 983 ms 1.050 s 1.067 s983 ms938 ms124 ms13.20 %
Largest Contentful Paint 1.138 s 1.223 s 1.341 s 1.443 s 1.442 s1.341 s1.317 s121 ms9.17 %
Timing metrics
First Paint 1.095 s 1.202 s 1.340 s 1.402 s 1.426 s1.340 s1.293 s126 ms9.74 %
First Contentful Paint 745 ms 847 ms 983 ms 1.050 s 1.067 s983 ms938 ms124 ms13.20 %
Largest Contentful Paint 1.138 s 1.223 s 1.341 s 1.443 s 1.442 s1.341 s1.317 s121 ms9.17 %
Load Event End 2.683 s 2.063 s 2.071 s 2.303 s 2.474 s2.303 s2.319 s238 ms10.27 %
Server Response Time 112 ms 489 ms 479 ms 480 ms 497 ms480 ms411 ms150 ms36.42 %
TTFB 119 ms 496 ms 485 ms 487 ms 504 ms487 ms418 ms150 ms35.81 %
Page Load Time 2.682 s 2.063 s 2.071 s 2.303 s 2.474 s2.303 s2.319 s238 ms10.26 %
First Visual Change 1.133 s 1.233 s 1.400 s 1.433 s 1.466 s1.400 s1.333 s128 ms9.62 %
Last Visual Change 3.000 s 3.133 s 3.300 s 3.366 s 3.266 s3.266 s3.213 s131 ms4.07 %
Speed Index 1.279 s 1.391 s 1.552 s 1.595 s 1.600 s1.552 s1.483 s127 ms8.58 %
Visual Readiness 1.867 s 1.900 s 1.900 s 1.933 s 1.800 s1.900 s1.880 s45 ms2.40 %
Visual Complete 95 2.400 s 2.700 s 2.733 s 2.966 s 2.733 s2.733 s2.706 s180 ms6.67 %
Visual Complete 99 2.666 s 2.833 s 2.866 s 3.066 s 2.900 s2.866 s2.866 s128 ms4.47 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 77 ms 76 ms 51 ms 77 ms76 ms66 ms13 ms18.94 %
Page metrics
DOM elements 21577 21578 21577 21578 21577215772157700.00 %
Document height 63444 63444 63444 63444 63444634446344400.00 %
Total Requests 91 91 91 91 91919100.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 2 2 2 2 22200.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2 B0.00 %
HTML Transfer Size 296.5 KB 296.5 KB 296.5 KB 296.5 KB 296.5 KB296.5 KB296.5 KB0 b0.00 %
JavaScript Transfer Size 111.3 KB 111.3 KB 111.3 KB 111.3 KB 111.3 KB111.3 KB111.3 KB1 B0.00 %
CSS Transfer Size 24.2 KB 24.2 KB 24.2 KB 24.2 KB 24.2 KB24.2 KB24.2 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JSON Transfer Size 2.4 KB 2.4 KB 2.4 KB 2.4 KB 2.4 KB2.4 KB2.4 KB0 b0.00 %
SVG Transfer Size 21.9 KB 21.9 KB 21.9 KB 21.9 KB 21.9 KB21.9 KB21.9 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 %
JSON 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 91 91 91 91 91919100.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %