Metrics per run

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

Tested 2026-06-17 15:42:41 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 418 ms 416 ms 417 ms 418 ms417 ms417 ms1 ms0.18 %
Largest Contentful Paint 2.747 s 2.491 s 2.476 s 2.543 s 2.481 s2.491 s2.548 s103 ms4.02 %
Timing metrics
First Paint 1.445 s 1.452 s 1.449 s 1.445 s 1.359 s1.445 s1.430 s36 ms2.49 %
Largest Contentful Paint 2.747 s 2.491 s 2.476 s 2.543 s 2.481 s2.491 s2.548 s103 ms4.02 %
Load Event End 2.752 s 2.787 s 2.780 s 2.861 s 2.765 s2.780 s2.789 s38 ms1.36 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 113 ms112 ms112 ms0 ms0.36 %
TTFB 417 ms 418 ms 416 ms 417 ms 418 ms417 ms417 ms1 ms0.18 %
Page Load Time 2.752 s 2.786 s 2.779 s 2.861 s 2.765 s2.779 s2.789 s38 ms1.36 %
First Visual Change 1.500 s 1.467 s 1.500 s 1.500 s 1.433 s1.500 s1.480 s27 ms1.81 %
Last Visual Change 4.267 s 4.300 s 4.300 s 4.567 s 4.300 s4.300 s4.347 s111 ms2.55 %
Speed Index 1.901 s 1.849 s 1.881 s 1.916 s 1.792 s1.881 s1.868 s44 ms2.36 %
Visual Readiness 2.767 s 2.833 s 2.800 s 3.067 s 2.867 s2.833 s2.867 s105 ms3.68 %
Visual Complete 95 3.267 s 3.300 s 3.333 s 3.533 s 3.300 s3.300 s3.347 s96 ms2.85 %
Visual Complete 99 3.267 s 3.300 s 3.333 s 3.533 s 3.300 s3.300 s3.347 s96 ms2.85 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 78 ms 77 ms 78 ms 78 ms78 ms78 ms0 ms0.63 %
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 B0.00 %
HTML Transfer Size 265.3 KB 265.3 KB 265.3 KB 265.3 KB 265.3 KB265.3 KB265.3 KB0 b0.00 %
JavaScript Transfer Size 309.6 KB 309.6 KB 309.6 KB 309.6 KB 309.6 KB309.6 KB309.6 KB0 b0.00 %
CSS Transfer Size 28.2 KB 28.2 KB 28.2 KB 28.2 KB 28.2 KB28.2 KB28.2 KB0 b0.00 %
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 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
Plain Transfer Size 973 B 973 B 973 B 973 B 973 B973 B973 B0 b0.00 %
SVG Transfer Size 89.1 KB 89.1 KB 89.1 KB 89.1 KB 89.1 KB89.1 KB89.1 KB0 b0.00 %
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 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %