Metrics per run

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

Tested 2025-09-01 03:40:23 using Firefox 142.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 591 ms 603 ms 569 ms 614 ms 719 ms603 ms619 ms52 ms8.41 %
First Contentful Paint 1.592 s 1.762 s 1.643 s 1.762 s 1.559 s1.643 s1.664 s85 ms5.09 %
Largest Contentful Paint 1.732 s 2.811 s 2.390 s 2.800 s 1.680 s2.390 s2.283 s495 ms21.68 %
Interaction to Next Paint 144 ms NaN s 160 ms NaN s NaN s152 ms152 ms8 ms5.26 %
Timing metrics
First Paint 1.719 s 1.765 s 1.782 s 1.765 s 1.679 s1.765 s1.742 s38 ms2.17 %
First Contentful Paint 1.592 s 1.762 s 1.643 s 1.762 s 1.559 s1.643 s1.664 s85 ms5.09 %
Largest Contentful Paint 1.732 s 2.811 s 2.390 s 2.800 s 1.680 s2.390 s2.283 s495 ms21.68 %
Load Event End 2.532 s 3.338 s 2.588 s 3.304 s 2.568 s2.588 s2.866 s372 ms12.98 %
Server Response Time 182 ms 218 ms 246 ms 169 ms 195 ms195 ms202 ms27 ms13.52 %
TTFB 591 ms 603 ms 569 ms 614 ms 719 ms603 ms619 ms52 ms8.41 %
Page Load Time 2.532 s 3.338 s 2.588 s 3.303 s 2.568 s2.588 s2.866 s372 ms12.98 %
First Visual Change 1.767 s 1.833 s 1.833 s 1.833 s 1.766 s1.833 s1.806 s33 ms1.80 %
Last Visual Change 4.167 s 4.400 s 4.200 s 4.367 s 4.200 s4.200 s4.267 s97 ms2.26 %
Speed Index 1.932 s 2.170 s 2.117 s 2.162 s 2.008 s2.117 s2.078 s93 ms4.48 %
Visual Readiness 2.400 s 2.567 s 2.367 s 2.534 s 2.434 s2.434 s2.460 s77 ms3.14 %
Visual Complete 95 3.233 s 3.767 s 3.633 s 3.833 s 3.633 s3.633 s3.620 s208 ms5.76 %
Visual Complete 99 3.233 s 4.067 s 3.733 s 4.033 s 3.766 s3.766 s3.766 s299 ms7.94 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 51 ms 51 ms 53 ms 52 ms52 ms52 ms1 ms1.44 %
Page metrics
DOM elements 21566 21576 21576 21576 21576215762157440.02 %
Document height 63444 63444 63444 63444 63444634446344400.00 %
Total Requests 101 103 103 103 10310310310.78 %
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 MB23.8 KB1.51 %
HTML Transfer Size 297.1 KB 297.1 KB 297.1 KB 297.1 KB 297.1 KB297.1 KB297.1 KB0 b0.00 %
JavaScript Transfer Size 373.6 KB 373.6 KB 373.6 KB 373.6 KB 373.6 KB373.6 KB373.6 KB0 b0.00 %
CSS Transfer Size 27.7 KB 27.7 KB 27.7 KB 27.7 KB 27.7 KB27.7 KB27.7 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 39.9 KB 39.9 KB 39.9 KB 39.9 KB 39.9 KB39.9 KB39.9 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 %
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 101 103 103 103 10310310310.78 %
First Party Total Transfer Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB23.8 KB1.51 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %