Metrics per run

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

Tested 2026-06-05 05:10:44 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 406 ms 406 ms 410 ms 409 ms 406 ms406 ms407 ms2 ms0.43 %
Largest Contentful Paint 2.476 s 2.254 s 2.221 s 2.322 s 2.305 s2.305 s2.316 s88 ms3.80 %
Timing metrics
First Paint 1.345 s 1.342 s 1.360 s 1.337 s 1.365 s1.345 s1.350 s11 ms0.80 %
Largest Contentful Paint 2.476 s 2.254 s 2.221 s 2.322 s 2.305 s2.305 s2.316 s88 ms3.80 %
Load Event End 2.498 s 2.544 s 2.531 s 2.471 s 2.515 s2.515 s2.512 s26 ms1.02 %
Server Response Time 107 ms 107 ms 107 ms 106 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 406 ms 406 ms 410 ms 409 ms 406 ms406 ms407 ms2 ms0.43 %
Page Load Time 2.498 s 2.544 s 2.531 s 2.471 s 2.515 s2.515 s2.512 s26 ms1.02 %
First Visual Change 1.400 s 1.400 s 1.400 s 1.367 s 1.400 s1.400 s1.393 s13 ms0.95 %
Last Visual Change 3.767 s 3.800 s 3.867 s 3.900 s 3.867 s3.867 s3.840 s49 ms1.28 %
Speed Index 1.686 s 1.692 s 1.704 s 1.673 s 1.704 s1.692 s1.692 s12 ms0.69 %
Visual Readiness 2.367 s 2.400 s 2.467 s 2.533 s 2.467 s2.467 s2.447 s58 ms2.37 %
Visual Complete 95 2.733 s 2.767 s 2.867 s 2.767 s 2.833 s2.767 s2.793 s49 ms1.76 %
Visual Complete 99 2.733 s 2.767 s 2.867 s 2.833 s 2.833 s2.833 s2.807 s49 ms1.75 %
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 22223 22223 22223 22223 22223222232222300.00 %
Document height 50633 50633 50633 50633 50633506335063300.00 %
Total Requests 66 65 66 66 66666600.61 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB20.1 KB1.42 %
HTML Transfer Size 264.7 KB 264.7 KB 264.7 KB 264.7 KB 264.7 KB264.7 KB264.7 KB0 b0.00 %
JavaScript Transfer Size 315.3 KB 315.3 KB 315.3 KB 315.3 KB 315.3 KB315.3 KB315.3 KB1 B0.00 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB1 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 b0.02 %
SVG Transfer Size 89.3 KB 89.1 KB 89.1 KB 89.1 KB 89.1 KB89.1 KB89.1 KB76 B0.08 %
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 %
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 65 66 66 66666600.61 %
First Party Total Transfer Size 1.3 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB20.1 KB1.42 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %