Metrics per run

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

Tested 2026-06-07 17:40:16 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 406 ms 406 ms 410 ms 410 ms 409 ms409 ms408 ms2 ms0.45 %
Largest Contentful Paint 2.271 s 2.237 s 2.322 s 2.187 s 2.339 s2.271 s2.271 s56 ms2.45 %
Timing metrics
First Paint 1.309 s 1.302 s 1.321 s 1.202 s 1.309 s1.309 s1.289 s44 ms3.39 %
Largest Contentful Paint 2.271 s 2.237 s 2.322 s 2.187 s 2.339 s2.271 s2.271 s56 ms2.45 %
Load Event End 2.412 s 2.467 s 2.366 s 2.377 s 2.357 s2.377 s2.396 s40 ms1.68 %
Server Response Time 107 ms 107 ms 107 ms 110 ms 107 ms107 ms108 ms1 ms1.12 %
TTFB 406 ms 406 ms 410 ms 410 ms 409 ms409 ms408 ms2 ms0.45 %
Page Load Time 2.412 s 2.466 s 2.366 s 2.377 s 2.357 s2.377 s2.396 s40 ms1.66 %
First Visual Change 1.367 s 1.333 s 1.333 s 1.233 s 1.333 s1.333 s1.320 s45 ms3.44 %
Last Visual Change 3.667 s 3.733 s 3.800 s 3.633 s 3.800 s3.733 s3.727 s68 ms1.83 %
Speed Index 1.649 s 1.629 s 1.644 s 1.531 s 1.647 s1.644 s1.620 s45 ms2.78 %
Visual Readiness 2.300 s 2.400 s 2.467 s 2.400 s 2.467 s2.400 s2.407 s61 ms2.54 %
Visual Complete 95 2.633 s 2.700 s 2.767 s 2.600 s 2.767 s2.700 s2.693 s68 ms2.53 %
Visual Complete 99 2.633 s 2.700 s 2.767 s 2.600 s 2.767 s2.700 s2.693 s68 ms2.53 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 78 ms 80 ms 77 ms 80 ms78 ms78 ms1 ms1.73 %
Page metrics
DOM elements 22243 22243 22243 22243 22243222432224300.00 %
Document height 50684 50684 50684 50684 50684506845068400.00 %
Total Requests 65 65 65 65 66656500.61 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.1 KB0.08 %
HTML Transfer Size 264.9 KB 264.9 KB 264.9 KB 264.9 KB 264.9 KB264.9 KB264.9 KB0 b0.00 %
JavaScript Transfer Size 310.9 KB 310.9 KB 310.9 KB 310.9 KB 310.9 KB310.9 KB310.9 KB45 B0.01 %
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 b0.00 %
SVG Transfer Size 88.8 KB 88.8 KB 88.8 KB 89.0 KB 89.0 KB88.8 KB88.9 KB93 B0.10 %
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 65 65 65 66656500.61 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.1 KB0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %