Metrics per run

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

Tested 2026-06-16 23:45:30 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 416 ms 415 ms 416 ms 420 ms416 ms417 ms2 ms0.43 %
Largest Contentful Paint 2.186 s 2.461 s 2.699 s 1.763 s 2.186 s2.186 s2.259 s313 ms13.87 %
Timing metrics
First Paint 1.475 s 1.427 s 1.405 s 1.471 s 1.388 s1.427 s1.433 s35 ms2.43 %
Largest Contentful Paint 2.186 s 2.461 s 2.699 s 1.763 s 2.186 s2.186 s2.259 s313 ms13.87 %
Load Event End 2.239 s 2.752 s 2.704 s 2.210 s 2.736 s2.704 s2.528 s249 ms9.83 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 115 ms112 ms113 ms1 ms1.07 %
TTFB 418 ms 416 ms 415 ms 416 ms 420 ms416 ms417 ms2 ms0.43 %
Page Load Time 2.239 s 2.752 s 2.704 s 2.209 s 2.735 s2.704 s2.528 s249 ms9.84 %
First Visual Change 1.534 s 1.467 s 1.467 s 1.500 s 1.433 s1.467 s1.480 s34 ms2.31 %
Last Visual Change 4.400 s 4.267 s 4.533 s 4.367 s 4.300 s4.367 s4.373 s93 ms2.12 %
Speed Index 1.891 s 1.815 s 1.874 s 1.811 s 1.793 s1.815 s1.837 s38 ms2.09 %
Visual Readiness 2.866 s 2.800 s 3.066 s 2.867 s 2.867 s2.867 s2.893 s90 ms3.12 %
Visual Complete 95 3.400 s 3.234 s 3.467 s 3.367 s 3.267 s3.367 s3.347 s86 ms2.56 %
Visual Complete 99 3.400 s 3.234 s 3.467 s 3.367 s 3.267 s3.367 s3.347 s86 ms2.56 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.9 KB0.15 %
HTML Transfer Size 265.4 KB 265.4 KB 265.4 KB 265.4 KB 265.4 KB265.4 KB265.4 KB30 B0.01 %
JavaScript Transfer Size 307.9 KB 307.4 KB 307.8 KB 307.8 KB 307.9 KB307.8 KB307.8 KB178 B0.06 %
CSS Transfer Size 28.3 KB 28.2 KB 28.3 KB 28.3 KB 28.3 KB28.3 KB28.3 KB60 B0.21 %
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 2.1 KB 2.1 KB 2.1 KB2.1 KB2.1 KB30 B1.41 %
Plain Transfer Size 1.0 KB 973 B 1.0 KB 1.0 KB 1.0 KB1.0 KB1.0 KB30 B2.87 %
SVG Transfer Size 90.4 KB 89.1 KB 90.4 KB 90.4 KB 90.4 KB90.4 KB90.1 KB533 B0.58 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.9 KB0.15 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %