Metrics per run

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

Tested 2026-06-18 11:48:26 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 419 ms 416 ms 419 ms 417 ms 419 ms419 ms418 ms1 ms0.30 %
Largest Contentful Paint 2.743 s 2.441 s 1.678 s 2.408 s 2.458 s2.441 s2.346 s355 ms15.12 %
Timing metrics
First Paint 1.421 s 1.411 s 1.475 s 1.328 s 1.433 s1.421 s1.414 s48 ms3.40 %
Largest Contentful Paint 2.743 s 2.441 s 1.678 s 2.408 s 2.458 s2.441 s2.346 s355 ms15.12 %
Load Event End 2.749 s 2.750 s 2.897 s 2.686 s 2.750 s2.750 s2.766 s70 ms2.52 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 113 ms112 ms112 ms0 ms0.36 %
TTFB 419 ms 416 ms 419 ms 417 ms 419 ms419 ms418 ms1 ms0.30 %
Page Load Time 2.749 s 2.750 s 2.897 s 2.686 s 2.750 s2.750 s2.766 s70 ms2.52 %
First Visual Change 1.467 s 1.467 s 1.533 s 1.367 s 1.467 s1.467 s1.460 s53 ms3.64 %
Last Visual Change 4.267 s 4.267 s 4.633 s 4.167 s 4.267 s4.267 s4.320 s161 ms3.73 %
Speed Index 1.875 s 1.848 s 1.851 s 1.754 s 1.848 s1.848 s1.835 s42 ms2.28 %
Visual Readiness 2.800 s 2.800 s 3.100 s 2.800 s 2.800 s2.800 s2.860 s120 ms4.20 %
Visual Complete 95 3.267 s 3.267 s 3.567 s 3.200 s 3.267 s3.267 s3.314 s129 ms3.90 %
Visual Complete 99 3.267 s 3.267 s 3.567 s 3.200 s 3.267 s3.267 s3.314 s129 ms3.90 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.00 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 67 67676700.00 %
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 KB0.08 %
HTML Transfer Size 265.4 KB 265.3 KB 265.3 KB 265.3 KB 265.4 KB265.3 KB265.3 KB37 B0.01 %
JavaScript Transfer Size 310.1 KB 309.7 KB 309.7 KB 309.7 KB 310.1 KB309.7 KB309.9 KB220 B0.07 %
CSS Transfer Size 28.3 KB 28.2 KB 28.2 KB 28.2 KB 28.3 KB28.2 KB28.3 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 2.0 KB 2.1 KB2.0 KB2.0 KB37 B1.77 %
Plain Transfer Size 1.0 KB 973 B 973 B 973 B 1.0 KB973 B1003 B37 B3.66 %
SVG Transfer Size 90.3 KB 89.0 KB 89.0 KB 89.0 KB 90.3 KB89.0 KB89.5 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 67 67 67 67 67676700.00 %
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 KB0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %