Metrics per run

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

Tested 2025-08-30 15:09:49 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 514 ms 664 ms 584 ms 495 ms 621 ms584 ms576 ms64 ms11.05 %
First Contentful Paint 1.084 s 1.322 s 1.168 s 915 ms 1.288 s1.168 s1.155 s147 ms12.74 %
Largest Contentful Paint 2.595 s 1.916 s 2.618 s 2.361 s 1.797 s2.361 s2.257 s342 ms15.13 %
Timing metrics
First Paint 1.357 s 1.586 s 1.448 s 1.186 s 1.558 s1.448 s1.427 s146 ms10.20 %
First Contentful Paint 1.084 s 1.322 s 1.168 s 915 ms 1.288 s1.168 s1.155 s147 ms12.74 %
Largest Contentful Paint 2.595 s 1.916 s 2.618 s 2.361 s 1.797 s2.361 s2.257 s342 ms15.13 %
Load Event End 2.803 s 2.414 s 2.952 s 2.926 s 2.401 s2.803 s2.699 s243 ms9.02 %
Server Response Time 195 ms 247 ms 194 ms 195 ms 303 ms195 ms227 ms43 ms19.03 %
TTFB 514 ms 664 ms 584 ms 495 ms 621 ms584 ms576 ms64 ms11.05 %
Page Load Time 2.802 s 2.414 s 2.952 s 2.925 s 2.401 s2.802 s2.699 s243 ms9.01 %
First Visual Change 1.433 s 1.666 s 1.467 s 1.233 s 1.633 s1.467 s1.486 s156 ms10.47 %
Last Visual Change 3.966 s 4.166 s 4.100 s 3.733 s 4.300 s4.100 s4.053 s193 ms4.76 %
Speed Index 1.607 s 1.726 s 1.631 s 1.342 s 1.680 s1.631 s1.597 s134 ms8.39 %
Visual Readiness 2.533 s 2.500 s 2.633 s 2.500 s 2.667 s2.533 s2.567 s70 ms2.73 %
Visual Complete 95 2.633 s 1.933 s 2.600 s 2.133 s 1.700 s2.133 s2.200 s367 ms16.68 %
Visual Complete 99 2.833 s 3.166 s 2.733 s 2.633 s 3.166 s2.833 s2.906 s221 ms7.62 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 53 ms 52 ms 54 ms52 ms53 ms1 ms1.52 %
Page metrics
DOM elements 20837 20837 20837 20837 20837208372083700.00 %
Document height 45841 45841 45841 45841 45841458414584100.00 %
Total Requests 64 64 64 64 64646400.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB1 B0.00 %
HTML Transfer Size 243.3 KB 243.3 KB 243.3 KB 243.3 KB 243.3 KB243.3 KB243.3 KB0 b0.00 %
JavaScript Transfer Size 370.2 KB 370.2 KB 370.2 KB 370.2 KB 370.2 KB370.2 KB370.2 KB0 b0.00 %
CSS Transfer Size 27.3 KB 27.3 KB 27.3 KB 27.3 KB 27.3 KB27.3 KB27.3 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 32.9 KB 32.9 KB 32.9 KB 32.9 KB 32.9 KB32.9 KB32.9 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 64 64 64 64 64646400.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %