Metrics per run

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

Tested 2026-06-04 22:02:15 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 406 ms 406 ms 724 ms 407 ms 409 ms407 ms470 ms127 ms26.96 %
Largest Contentful Paint 2.215 s 2.320 s 2.520 s 2.261 s 2.235 s2.261 s2.310 s111 ms4.79 %
Timing metrics
First Paint 1.325 s 1.342 s 1.791 s 1.338 s 1.366 s1.342 s1.432 s180 ms12.55 %
Largest Contentful Paint 2.215 s 2.320 s 2.520 s 2.261 s 2.235 s2.261 s2.310 s111 ms4.79 %
Load Event End 2.502 s 2.395 s 2.456 s 2.456 s 2.570 s2.456 s2.476 s58 ms2.35 %
Server Response Time 106 ms 107 ms 423 ms 107 ms 107 ms107 ms170 ms127 ms74.41 %
TTFB 406 ms 406 ms 724 ms 407 ms 409 ms407 ms470 ms127 ms26.96 %
Page Load Time 2.501 s 2.394 s 2.456 s 2.455 s 2.570 s2.456 s2.475 s58 ms2.36 %
First Visual Change 1.400 s 1.400 s 1.833 s 1.367 s 1.433 s1.400 s1.487 s174 ms11.74 %
Last Visual Change 3.767 s 3.733 s 4.133 s 3.767 s 3.733 s3.767 s3.827 s154 ms4.02 %
Speed Index 1.686 s 1.676 s 2.081 s 1.655 s 1.697 s1.686 s1.759 s162 ms9.19 %
Visual Readiness 2.367 s 2.333 s 2.300 s 2.400 s 2.300 s2.333 s2.340 s39 ms1.66 %
Visual Complete 95 2.733 s 2.733 s 3.100 s 2.767 s 2.700 s2.733 s2.807 s148 ms5.28 %
Visual Complete 99 2.733 s 2.733 s 3.100 s 2.767 s 2.700 s2.733 s2.807 s148 ms5.28 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 78 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.63 %
Page metrics
DOM elements 22223 22223 22223 22223 22223222232222300.00 %
Document height 50633 50633 50633 50633 50633506335063300.00 %
Total Requests 65 66 66 65 66666600.75 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.3 KB0.17 %
HTML Transfer Size 264.7 KB 264.7 KB 264.7 KB 264.7 KB 264.7 KB264.7 KB264.7 KB24 B0.01 %
JavaScript Transfer Size 315.2 KB 315.2 KB 311.2 KB 315.2 KB 315.2 KB315.2 KB314.4 KB1.6 KB0.51 %
CSS Transfer Size 28.1 KB 28.1 KB 28.2 KB 28.1 KB 28.1 KB28.1 KB28.1 KB41 B0.14 %
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 KB22 B1.05 %
SVG Transfer Size 89.3 KB 89.1 KB 90.0 KB 89.3 KB 89.1 KB89.3 KB89.4 KB358 B0.39 %
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 65 66 66 65 66666600.75 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.3 KB0.17 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %