Metrics per run

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

Tested 2026-06-04 18:29:35 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 409 ms 407 ms 407 ms 410 ms 406 ms407 ms408 ms1 ms0.36 %
Largest Contentful Paint 2.205 s 2.213 s 2.187 s 2.268 s 2.243 s2.213 s2.223 s29 ms1.30 %
Timing metrics
First Paint 1.339 s 1.336 s 1.331 s 1.347 s 1.345 s1.339 s1.340 s6 ms0.44 %
Largest Contentful Paint 2.205 s 2.213 s 2.187 s 2.268 s 2.243 s2.213 s2.223 s29 ms1.30 %
Load Event End 2.390 s 2.423 s 2.386 s 2.679 s 2.478 s2.423 s2.471 s109 ms4.41 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 409 ms 407 ms 407 ms 410 ms 406 ms407 ms408 ms1 ms0.36 %
Page Load Time 2.389 s 2.422 s 2.385 s 2.678 s 2.478 s2.422 s2.470 s109 ms4.41 %
First Visual Change 1.400 s 1.367 s 1.400 s 1.400 s 1.400 s1.400 s1.393 s13 ms0.95 %
Last Visual Change 3.800 s 3.734 s 3.767 s 3.767 s 3.833 s3.767 s3.780 s34 ms0.89 %
Speed Index 1.686 s 1.645 s 1.676 s 1.690 s 1.689 s1.686 s1.677 s17 ms1.00 %
Visual Readiness 2.400 s 2.367 s 2.367 s 2.367 s 2.433 s2.367 s2.387 s26 ms1.11 %
Visual Complete 95 2.767 s 2.700 s 2.700 s 2.800 s 2.767 s2.767 s2.747 s40 ms1.46 %
Visual Complete 99 2.767 s 2.700 s 2.700 s 2.800 s 2.767 s2.767 s2.747 s40 ms1.46 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 78 ms 77 ms 77 ms77 ms77 ms0 ms0.52 %
Page metrics
DOM elements 22223 22223 22223 22223 22223222232222300.00 %
Document height 50633 50633 50633 50633 50633506335063300.00 %
Total Requests 66 66 66 66 66666600.00 %
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 MB528 B0.04 %
HTML Transfer Size 264.6 KB 264.6 KB 264.6 KB 264.6 KB 264.6 KB264.6 KB264.6 KB0 b0.00 %
JavaScript Transfer Size 315.1 KB 315.1 KB 315.1 KB 315.1 KB 315.1 KB315.1 KB315.1 KB0 b0.00 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 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 %
SVG Transfer Size 89.1 KB 89.1 KB 89.1 KB 89.1 KB 89.3 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 66 66 66 66666600.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB528 B0.04 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %