Metrics per run

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

Tested 2026-06-23 09:56:08 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 419 ms 417 ms 418 ms 418 ms418 ms418 ms1 ms0.15 %
Largest Contentful Paint 2.622 s 2.576 s 2.500 s 2.325 s 2.492 s2.500 s2.503 s101 ms4.05 %
Timing metrics
First Paint 1.392 s 1.370 s 1.426 s 1.403 s 1.424 s1.403 s1.403 s21 ms1.49 %
Largest Contentful Paint 2.622 s 2.576 s 2.500 s 2.325 s 2.492 s2.500 s2.503 s101 ms4.05 %
Load Event End 2.487 s 2.581 s 2.785 s 2.740 s 2.849 s2.740 s2.688 s134 ms4.99 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 418 ms 419 ms 417 ms 418 ms 418 ms418 ms418 ms1 ms0.15 %
Page Load Time 2.486 s 2.580 s 2.784 s 2.740 s 2.849 s2.740 s2.688 s134 ms5.00 %
First Visual Change 1.467 s 1.433 s 1.467 s 1.433 s 1.467 s1.467 s1.453 s17 ms1.15 %
Last Visual Change 4.200 s 4.133 s 4.000 s 4.267 s 4.100 s4.133 s4.140 s91 ms2.19 %
Speed Index 1.803 s 1.778 s 1.788 s 1.785 s 1.795 s1.788 s1.790 s9 ms0.48 %
Visual Readiness 2.733 s 2.700 s 2.533 s 2.834 s 2.633 s2.700 s2.687 s101 ms3.74 %
Visual Complete 95 3.067 s 3.000 s 3.000 s 3.200 s 3.067 s3.067 s3.067 s73 ms2.38 %
Visual Complete 99 3.067 s 3.000 s 3.000 s 3.200 s 3.067 s3.067 s3.067 s73 ms2.38 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 80 ms 77 ms77 ms78 ms1 ms1.55 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 66 66 66 67 66666600.60 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.1 KB0.07 %
HTML Transfer Size 265.9 KB 265.9 KB 265.8 KB 265.9 KB 265.8 KB265.9 KB265.9 KB36 B0.01 %
JavaScript Transfer Size 311.7 KB 311.7 KB 311.2 KB 311.6 KB 311.2 KB311.6 KB311.5 KB253 B0.08 %
CSS Transfer Size 29.0 KB 29.0 KB 28.8 KB 29.0 KB 28.8 KB29.0 KB28.9 KB72 B0.24 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.1 KB 2.0 KB 2.1 KB 2.0 KB2.1 KB2.0 KB36 B1.73 %
Plain Transfer Size 1.0 KB 1.0 KB 973 B 1.0 KB 973 B1.0 KB1017 B36 B3.55 %
SVG Transfer Size 90.6 KB 90.6 KB 89.3 KB 90.4 KB 89.3 KB90.4 KB90.0 KB623 B0.68 %
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 66 66 66 67 66666600.60 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.1 KB0.07 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %