Metrics per run

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

Tested 2026-06-05 19:23:52 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 405 ms 408 ms 408 ms 407 ms 407 ms407 ms407 ms1 ms0.27 %
Largest Contentful Paint 2.130 s 2.123 s 1.458 s 2.255 s 2.294 s2.130 s2.052 s305 ms14.84 %
Timing metrics
First Paint 1.322 s 1.349 s 1.391 s 1.341 s 1.359 s1.349 s1.352 s23 ms1.69 %
Largest Contentful Paint 2.130 s 2.123 s 1.458 s 2.255 s 2.294 s2.130 s2.052 s305 ms14.84 %
Load Event End 2.518 s 2.492 s 2.099 s 2.517 s 2.488 s2.492 s2.423 s162 ms6.70 %
Server Response Time 107 ms 107 ms 106 ms 107 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 405 ms 408 ms 408 ms 407 ms 407 ms407 ms407 ms1 ms0.27 %
Page Load Time 2.518 s 2.492 s 2.098 s 2.517 s 2.488 s2.492 s2.423 s163 ms6.72 %
First Visual Change 1.400 s 1.400 s 1.433 s 1.400 s 1.433 s1.400 s1.413 s16 ms1.14 %
Last Visual Change 3.667 s 3.833 s 3.767 s 3.767 s 3.867 s3.767 s3.780 s69 ms1.81 %
Speed Index 1.661 s 1.687 s 1.633 s 1.689 s 1.714 s1.687 s1.677 s28 ms1.65 %
Visual Readiness 2.267 s 2.433 s 2.334 s 2.367 s 2.434 s2.367 s2.367 s63 ms2.67 %
Visual Complete 95 2.633 s 2.833 s 2.733 s 2.733 s 2.833 s2.733 s2.753 s75 ms2.72 %
Visual Complete 99 2.633 s 2.833 s 2.733 s 2.733 s 2.833 s2.733 s2.753 s75 ms2.72 %
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 66 65 65 65656500.75 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB228 B0.02 %
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 310.9 KB 310.9 KB 310.9 KB 310.9 KB 310.9 KB310.9 KB310.9 KB1 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 88.8 KB 88.8 KB 89.0 KB 88.8 KB 88.8 KB88.8 KB88.9 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 65 65 65656500.75 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB228 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %