Metrics per run

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

Tested 2026-03-04 10:37:35 using Firefox 147.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 587 ms 518 ms 440 ms 442 ms 441 ms442 ms486 ms59 ms12.11 %
First Contentful Paint 1.642 s 1.592 s 1.596 s 1.606 s 1.617 s1.606 s1.611 s18 ms1.11 %
Largest Contentful Paint 3.208 s 1.615 s 1.614 s 2.941 s 1.617 s1.617 s2.199 s720 ms32.73 %
Timing metrics
First Paint 1.641 s 1.591 s 1.595 s 1.605 s 1.616 s1.605 s1.610 s18 ms1.11 %
First Contentful Paint 1.642 s 1.592 s 1.596 s 1.606 s 1.617 s1.606 s1.611 s18 ms1.11 %
Largest Contentful Paint 3.208 s 1.615 s 1.614 s 2.941 s 1.617 s1.617 s2.199 s720 ms32.73 %
Load Event End 2.334 s 2.188 s 2.110 s 2.086 s 2.110 s2.110 s2.166 s91 ms4.20 %
Server Response Time 194 ms 195 ms 120 ms 120 ms 120 ms120 ms150 ms36 ms24.36 %
TTFB 587 ms 518 ms 440 ms 442 ms 441 ms442 ms486 ms59 ms12.11 %
Page Load Time 2.334 s 2.187 s 2.110 s 2.085 s 2.110 s2.110 s2.165 s91 ms4.21 %
First Visual Change 1.700 s 1.633 s 1.667 s 1.633 s 1.633 s1.633 s1.653 s27 ms1.62 %
Last Visual Change 4.367 s 4.200 s 4.200 s 4.100 s 4.167 s4.200 s4.207 s88 ms2.09 %
Speed Index 1.810 s 1.702 s 1.734 s 1.715 s 1.702 s1.715 s1.733 s40 ms2.33 %
Visual Readiness 2.667 s 2.567 s 2.533 s 2.467 s 2.534 s2.534 s2.554 s65 ms2.56 %
Visual Complete 95 2.433 s 1.633 s 1.667 s 1.767 s 1.633 s1.667 s1.827 s307 ms16.82 %
Visual Complete 99 3.300 s 3.167 s 3.133 s 3.033 s 3.133 s3.133 s3.153 s86 ms2.73 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 76 ms 79 ms 79 ms77 ms78 ms1 ms1.55 %
Page metrics
DOM elements 23006 23006 23006 23006 23006230062300600.00 %
Document height 64211 64288 64082 64004 6408264082641331020.16 %
Total Requests 61 61 61 61 61616100.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
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 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB10.2 KB0.68 %
HTML Transfer Size 316.3 KB 316.3 KB 316.3 KB 316.3 KB 316.3 KB316.3 KB316.3 KB0 b0.00 %
JavaScript Transfer Size 306.4 KB 306.4 KB 306.4 KB 306.4 KB 306.4 KB306.4 KB306.4 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 %
SVG Transfer Size 82.7 KB 82.7 KB 82.7 KB 82.7 KB 82.7 KB82.7 KB82.7 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 61 61 61 61 61616100.00 %
First Party Total Transfer Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB10.2 KB0.68 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %