Metrics per run

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

Tested 2025-07-12 03:50:28 using Firefox 140.0.1 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 585 ms 512 ms 530 ms 512 ms 596 ms530 ms547 ms36 ms6.63 %
First Contentful Paint 1.542 s 1.440 s 1.439 s 1.406 s 1.372 s1.439 s1.440 s57 ms3.95 %
Largest Contentful Paint 2.364 s 2.374 s 2.341 s 1.425 s 2.546 s2.364 s2.210 s399 ms18.06 %
Interaction to Next Paint 127.64 ms 123.54 ms 151.64 ms 121.54 ms 138.3 ms128 ms133 ms11 ms8.43 %
Timing metrics
First Paint 1.546 s 1.446 s 1.455 s 1.424 s 1.493 s1.455 s1.473 s43 ms2.91 %
First Contentful Paint 1.542 s 1.440 s 1.439 s 1.406 s 1.372 s1.439 s1.440 s57 ms3.95 %
Largest Contentful Paint 2.364 s 2.374 s 2.341 s 1.425 s 2.546 s2.364 s2.210 s399 ms18.06 %
Load Event End 2.880 s 2.794 s 2.874 s 2.771 s 2.850 s2.850 s2.834 s44 ms1.54 %
Server Response Time 270 ms 194 ms 195 ms 194 ms 194 ms194 ms209 ms30 ms14.47 %
TTFB 585 ms 512 ms 530 ms 512 ms 596 ms530 ms547 ms36 ms6.63 %
Page Load Time 2.879 s 2.793 s 2.874 s 2.771 s 2.849 s2.849 s2.833 s44 ms1.54 %
First Visual Change 1.600 s 1.500 s 1.500 s 1.500 s 1.566 s1.500 s1.533 s42 ms2.74 %
Last Visual Change 3.833 s 3.766 s 3.800 s 3.733 s 3.700 s3.766 s3.766 s47 ms1.25 %
Speed Index 1.702 s 1.610 s 1.603 s 1.531 s 1.688 s1.610 s1.627 s62 ms3.83 %
Visual Readiness 2.233 s 2.266 s 2.300 s 2.233 s 2.134 s2.233 s2.233 s55 ms2.48 %
Visual Complete 95 2.367 s 2.366 s 2.333 s 1.500 s 2.566 s2.366 s2.226 s372 ms16.73 %
Visual Complete 99 2.667 s 2.466 s 2.700 s 2.466 s 2.666 s2.666 s2.593 s104 ms4.03 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 51 ms 52 ms 53 ms 54 ms52 ms52 ms1 ms1.95 %
Page metrics
DOM elements 21542 21542 21542 21542 21542215422154200.00 %
Document height 63202 63202 63202 63202 63202632026320200.00 %
Total Requests 97 97 97 97 97979700.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.7 KB0.12 %
HTML Transfer Size 295.8 KB 295.8 KB 295.8 KB 295.8 KB 295.8 KB295.8 KB295.8 KB0 b0.00 %
JavaScript Transfer Size 282.1 KB 282.1 KB 282.1 KB 282.1 KB 282.1 KB282.1 KB282.1 KB0 b0.00 %
CSS Transfer Size 27.4 KB 27.4 KB 27.4 KB 27.4 KB 27.4 KB27.4 KB27.4 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 34.2 KB 34.2 KB 34.2 KB 34.2 KB 34.2 KB34.2 KB34.2 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 %
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 97 97 97 97 97979700.00 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.7 KB0.12 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %