Metrics per run

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

Tested 2026-04-12 21:56:43 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 871 ms 427 ms 425 ms 498 ms 409 ms427 ms526 ms175 ms33.31 %
First Contentful Paint 1.526 s 1.674 s 1.717 s 1.730 s 1.654 s1.674 s1.660 s73 ms4.37 %
Largest Contentful Paint 3.062 s 1.699 s 2.323 s 1.747 s 2.299 s2.299 s2.226 s494 ms22.20 %
Timing metrics
First Paint 1.526 s 1.674 s 1.716 s 1.730 s 1.653 s1.674 s1.660 s72 ms4.36 %
First Contentful Paint 1.526 s 1.674 s 1.717 s 1.730 s 1.654 s1.674 s1.660 s73 ms4.37 %
Largest Contentful Paint 3.062 s 1.699 s 2.323 s 1.747 s 2.299 s2.299 s2.226 s494 ms22.20 %
Load Event End 3.101 s 2.551 s 2.521 s 2.665 s 2.521 s2.551 s2.672 s221 ms8.27 %
Server Response Time 549 ms 104 ms 103 ms 105 ms 104 ms104 ms193 ms178 ms92.23 %
TTFB 871 ms 427 ms 425 ms 498 ms 409 ms427 ms526 ms175 ms33.31 %
Page Load Time 3.100 s 2.551 s 2.521 s 2.664 s 2.521 s2.551 s2.671 s221 ms8.26 %
First Visual Change 1.600 s 1.733 s 1.766 s 1.800 s 1.700 s1.733 s1.720 s69 ms3.99 %
Last Visual Change 4.033 s 3.966 s 3.566 s 3.833 s 3.700 s3.833 s3.820 s171 ms4.47 %
Speed Index 1.774 s 1.763 s 1.842 s 1.825 s 1.774 s1.774 s1.796 s32 ms1.76 %
Visual Readiness 2.433 s 2.233 s 1.800 s 2.033 s 2.000 s2.033 s2.100 s216 ms10.28 %
Visual Complete 95 3.100 s 1.733 s 2.333 s 1.800 s 2.333 s2.333 s2.260 s491 ms21.73 %
Visual Complete 99 3.100 s 2.566 s 2.500 s 2.366 s 2.333 s2.500 s2.573 s277 ms10.76 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 76 ms 76 ms 76 ms76 ms76 ms0 ms0.00 %
Page metrics
DOM elements 22998 22998 22998 22998 22998229982299800.00 %
Document height 64795 64794 64794 64794 64794647946479400.00 %
Total Requests 101 101 101 101 10110110100.00 %
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 MB15 B0.00 %
HTML Transfer Size 318.3 KB 318.3 KB 318.3 KB 318.3 KB 318.3 KB318.3 KB318.3 KB15 B0.00 %
JavaScript Transfer Size 303.9 KB 303.9 KB 303.9 KB 303.9 KB 303.9 KB303.9 KB303.9 KB0 b0.00 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
Plain Transfer Size 973 B 973 B 973 B 973 B 973 B973 B973 B0 b0.00 %
SVG Transfer Size 82.9 KB 82.9 KB 82.9 KB 82.9 KB 82.9 KB82.9 KB82.9 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 %
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 101 101 101 101 10110110100.00 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB15 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %