Metrics per run

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

Tested 2026-06-17 19:41:39 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 420 ms 421 ms 420 ms 420 ms 417 ms420 ms420 ms1 ms0.32 %
Largest Contentful Paint 2.670 s 2.471 s 1.779 s 1.492 s 2.660 s2.471 s2.214 s486 ms21.97 %
Timing metrics
First Paint 1.406 s 1.451 s 1.506 s 1.438 s 1.393 s1.438 s1.439 s40 ms2.75 %
Largest Contentful Paint 2.670 s 2.471 s 1.779 s 1.492 s 2.660 s2.471 s2.214 s486 ms21.97 %
Load Event End 2.674 s 2.775 s 2.939 s 2.862 s 2.665 s2.775 s2.783 s106 ms3.82 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 420 ms 421 ms 420 ms 420 ms 417 ms420 ms420 ms1 ms0.32 %
Page Load Time 2.674 s 2.775 s 2.939 s 2.862 s 2.665 s2.775 s2.783 s106 ms3.82 %
First Visual Change 1.434 s 1.500 s 1.533 s 1.467 s 1.433 s1.467 s1.473 s39 ms2.63 %
Last Visual Change 4.467 s 4.567 s 4.467 s 4.367 s 4.200 s4.467 s4.414 s124 ms2.81 %
Speed Index 1.822 s 1.888 s 1.839 s 1.759 s 1.806 s1.822 s1.823 s42 ms2.31 %
Visual Readiness 3.033 s 3.067 s 2.934 s 2.900 s 2.767 s2.934 s2.940 s106 ms3.61 %
Visual Complete 95 3.334 s 3.434 s 3.433 s 3.333 s 3.200 s3.334 s3.347 s86 ms2.57 %
Visual Complete 99 3.334 s 3.434 s 3.433 s 3.333 s 3.200 s3.334 s3.347 s86 ms2.57 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 78 ms 80 ms 77 ms 79 ms78 ms78 ms1 ms1.30 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 66 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 MB1.1 KB0.09 %
HTML Transfer Size 265.3 KB 265.4 KB 265.4 KB 265.4 KB 265.4 KB265.4 KB265.4 KB30 B0.01 %
JavaScript Transfer Size 309.7 KB 310.2 KB 310.1 KB 310.1 KB 310.2 KB310.1 KB310.1 KB178 B0.06 %
CSS Transfer Size 28.2 KB 28.3 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 2.0 KB 2.1 KB 2.1 KB 2.1 KB 2.1 KB2.1 KB2.1 KB30 B1.41 %
Plain Transfer Size 973 B 1.0 KB 1.0 KB 1.0 KB 1.0 KB1.0 KB1.0 KB30 B2.87 %
SVG Transfer Size 89.0 KB 90.4 KB 90.3 KB 90.3 KB 90.4 KB90.3 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 66 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 MB1.1 KB0.09 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %