Metrics per run

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

Tested 2026-06-07 10:31:36 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 406 ms 408 ms 407 ms 408 ms407 ms407 ms1 ms0.18 %
Largest Contentful Paint 2.288 s 2.410 s 2.413 s 1.932 s 2.339 s2.339 s2.276 s178 ms7.84 %
Timing metrics
First Paint 1.278 s 1.331 s 1.309 s 1.318 s 1.317 s1.317 s1.311 s18 ms1.36 %
Largest Contentful Paint 2.288 s 2.410 s 2.413 s 1.932 s 2.339 s2.339 s2.276 s178 ms7.84 %
Load Event End 2.637 s 2.523 s 2.414 s 2.590 s 2.686 s2.590 s2.570 s95 ms3.69 %
Server Response Time 108 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 407 ms 406 ms 408 ms 407 ms 408 ms407 ms407 ms1 ms0.18 %
Page Load Time 2.636 s 2.523 s 2.414 s 2.589 s 2.685 s2.589 s2.569 s94 ms3.67 %
First Visual Change 1.333 s 1.400 s 1.367 s 1.333 s 1.367 s1.367 s1.360 s25 ms1.85 %
Last Visual Change 3.700 s 9.733 s 3.667 s 3.800 s 3.700 s3.700 s4.920 s2.407 s48.92 %
Speed Index 1.630 s 1.944 s 1.656 s 1.590 s 1.668 s1.656 s1.698 s126 ms7.43 %
Visual Readiness 2.367 s 8.333 s 2.300 s 2.467 s 2.333 s2.367 s3.560 s2.387 s67.05 %
Visual Complete 95 2.667 s 2.533 s 2.633 s 2.800 s 2.700 s2.667 s2.667 s87 ms3.26 %
Visual Complete 99 2.667 s 9.733 s 2.633 s 2.800 s 2.733 s2.733 s4.113 s2.810 s68.33 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 80 ms 77 ms 77 ms 77 ms77 ms78 ms1 ms1.55 %
Page metrics
DOM elements 22242 22242 22242 22242 22242222422224200.00 %
Document height 50684 50684 50684 50684 50684506845068400.00 %
Total Requests 65 66 65 66 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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB223 B0.02 %
HTML Transfer Size 265.0 KB 265.0 KB 265.0 KB 265.0 KB 265.0 KB265.0 KB265.0 KB0 b0.00 %
JavaScript Transfer Size 310.9 KB 310.9 KB 310.9 KB 310.9 KB 310.9 KB310.9 KB310.9 KB36 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 88.8 KB 88.8 KB 88.8 KB 89.0 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 65 66 65 66 65656500.75 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB223 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %