Metrics per run

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

Tested 2026-06-21 08:29:17 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 421 ms 420 ms 418 ms 416 ms 420 ms420 ms419 ms2 ms0.43 %
Largest Contentful Paint 2.017 s 2.498 s 2.721 s 2.441 s 2.441 s2.441 s2.424 s228 ms9.41 %
Timing metrics
First Paint 1.435 s 1.355 s 1.432 s 1.346 s 1.363 s1.363 s1.386 s39 ms2.81 %
Largest Contentful Paint 2.017 s 2.498 s 2.721 s 2.441 s 2.441 s2.441 s2.424 s228 ms9.41 %
Load Event End 2.700 s 2.500 s 2.725 s 2.460 s 2.646 s2.646 s2.606 s107 ms4.10 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 421 ms 420 ms 418 ms 416 ms 420 ms420 ms419 ms2 ms0.43 %
Page Load Time 2.699 s 2.499 s 2.725 s 2.459 s 2.646 s2.646 s2.606 s107 ms4.11 %
First Visual Change 1.467 s 1.400 s 1.467 s 1.400 s 1.400 s1.400 s1.427 s33 ms2.30 %
Last Visual Change 4.033 s 4.067 s 3.967 s 3.767 s 3.967 s3.967 s3.960 s104 ms2.63 %
Speed Index 1.726 s 1.731 s 1.788 s 1.712 s 1.739 s1.731 s1.739 s26 ms1.49 %
Visual Readiness 2.566 s 2.667 s 2.500 s 2.367 s 2.567 s2.566 s2.533 s99 ms3.90 %
Visual Complete 95 2.967 s 2.933 s 2.933 s 2.734 s 2.933 s2.933 s2.900 s84 ms2.90 %
Visual Complete 99 2.967 s 2.933 s 2.933 s 2.734 s 2.933 s2.933 s2.900 s84 ms2.90 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 77 ms 77 ms 80 ms 77 ms77 ms78 ms1 ms1.88 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 66 66 67 67676700.74 %
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 MB3.7 KB0.25 %
HTML Transfer Size 265.8 KB 265.8 KB 265.9 KB 265.8 KB 265.8 KB265.8 KB265.8 KB29 B0.01 %
JavaScript Transfer Size 311.4 KB 311.5 KB 311.9 KB 311.4 KB 311.4 KB311.4 KB311.5 KB206 B0.06 %
CSS Transfer Size 28.8 KB 28.8 KB 29.0 KB 28.8 KB 28.8 KB28.8 KB28.9 KB58 B0.20 %
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 2.1 KB 2.0 KB 2.0 KB2.0 KB2.0 KB29 B1.42 %
Plain Transfer Size 973 B 973 B 1.0 KB 973 B 973 B973 B988 B29 B2.96 %
SVG Transfer Size 89.2 KB 89.2 KB 90.5 KB 89.2 KB 89.2 KB89.2 KB89.4 KB526 B0.57 %
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 67 66 66 67 67676700.74 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB3.7 KB0.25 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %