Metrics per run

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

Tested 2026-06-04 00:42:59 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 450 ms 462 ms 450 ms 457 ms 449 ms450 ms454 ms5 ms1.12 %
Largest Contentful Paint 2.193 s 2.208 s 2.323 s 2.221 s 2.221 s2.221 s2.233 s46 ms2.06 %
Timing metrics
First Paint 1.388 s 1.400 s 1.404 s 1.393 s 1.423 s1.400 s1.402 s12 ms0.86 %
Largest Contentful Paint 2.193 s 2.208 s 2.323 s 2.221 s 2.221 s2.221 s2.233 s46 ms2.06 %
Load Event End 2.423 s 2.404 s 2.449 s 2.386 s 2.456 s2.423 s2.424 s26 ms1.09 %
Server Response Time 122 ms 133 ms 122 ms 128 ms 122 ms122 ms125 ms4 ms3.55 %
TTFB 450 ms 462 ms 450 ms 457 ms 449 ms450 ms454 ms5 ms1.12 %
Page Load Time 2.423 s 2.403 s 2.449 s 2.385 s 2.455 s2.423 s2.423 s27 ms1.10 %
First Visual Change 1.433 s 900 ms 1.433 s 1.467 s 1.467 s1.433 s1.340 s221 ms16.46 %
Last Visual Change 3.733 s 3.800 s 3.833 s 3.733 s 3.767 s3.767 s3.773 s39 ms1.03 %
Speed Index 1.676 s 1.665 s 1.690 s 1.682 s 1.707 s1.682 s1.684 s14 ms0.84 %
Visual Readiness 2.300 s 2.900 s 2.400 s 2.266 s 2.300 s2.300 s2.433 s238 ms9.77 %
Visual Complete 95 2.600 s 2.633 s 2.700 s 2.467 s 2.633 s2.633 s2.607 s77 ms2.95 %
Visual Complete 99 2.700 s 2.700 s 2.733 s 2.667 s 2.733 s2.700 s2.707 s25 ms0.91 %
CPU metrics
Browser metrics
CPU benchmark score 81 ms 78 ms 81 ms 78 ms 80 ms80 ms80 ms1 ms1.70 %
Page metrics
DOM elements 22227 22227 22227 22227 22227222272222700.00 %
Document height 50637 50637 50637 50637 50637506375063700.00 %
Total Requests 64 64 64 64 64646400.00 %
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 MB4.3 KB0.32 %
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 312.4 KB 312.5 KB 312.5 KB 312.5 KB 312.4 KB312.5 KB312.4 KB44 B0.01 %
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 82.4 KB 82.4 KB 82.4 KB 82.4 KB 82.4 KB82.4 KB82.4 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 %
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 64 64 64 64 64646400.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB4.3 KB0.32 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %