Metrics per run

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

Tested 2026-06-22 22:27:52 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 419 ms 422 ms 420 ms 418 ms419 ms419 ms1 ms0.36 %
Largest Contentful Paint 2.407 s 2.239 s 2.275 s 2.425 s 2.478 s2.407 s2.365 s92 ms3.88 %
Timing metrics
First Paint 1.399 s 1.366 s 1.457 s 1.395 s 1.349 s1.395 s1.393 s37 ms2.65 %
Largest Contentful Paint 2.407 s 2.239 s 2.275 s 2.425 s 2.478 s2.407 s2.365 s92 ms3.88 %
Load Event End 2.639 s 2.469 s 2.204 s 2.543 s 2.482 s2.482 s2.467 s145 ms5.87 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 418 ms 419 ms 422 ms 420 ms 418 ms419 ms419 ms1 ms0.36 %
Page Load Time 2.638 s 2.468 s 2.204 s 2.543 s 2.481 s2.481 s2.467 s144 ms5.86 %
First Visual Change 1.434 s 1.400 s 1.533 s 1.467 s 1.400 s1.434 s1.447 s50 ms3.44 %
Last Visual Change 4.034 s 4.000 s 4.033 s 3.967 s 3.867 s4.000 s3.980 s62 ms1.55 %
Speed Index 1.776 s 1.722 s 1.833 s 1.797 s 1.709 s1.776 s1.767 s46 ms2.62 %
Visual Readiness 2.600 s 2.600 s 2.500 s 2.500 s 2.467 s2.500 s2.533 s56 ms2.20 %
Visual Complete 95 3.000 s 2.934 s 3.000 s 2.967 s 2.800 s2.967 s2.940 s74 ms2.53 %
Visual Complete 99 3.000 s 2.934 s 3.000 s 2.967 s 2.800 s2.967 s2.940 s74 ms2.53 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 81 ms 77 ms 80 ms 77 ms79 ms79 ms2 ms2.03 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 66 67 67 67 67676700.60 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.4 KB0.11 %
HTML Transfer Size 265.9 KB 265.8 KB 265.8 KB 265.9 KB 265.9 KB265.9 KB265.9 KB37 B0.01 %
JavaScript Transfer Size 311.6 KB 311.2 KB 311.2 KB 311.6 KB 311.7 KB311.6 KB311.5 KB237 B0.07 %
CSS Transfer Size 29.0 KB 28.8 KB 28.8 KB 29.0 KB 29.0 KB29.0 KB28.9 KB73 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.0 KB 2.0 KB 2.1 KB 2.1 KB2.1 KB2.0 KB37 B1.76 %
Plain Transfer Size 1.0 KB 973 B 973 B 1.0 KB 1.0 KB1.0 KB1017 B36 B3.55 %
SVG Transfer Size 90.5 KB 89.2 KB 89.2 KB 90.5 KB 90.5 KB90.5 KB90.0 KB661 B0.72 %
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 67 67 67 67676700.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.4 KB0.11 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %