Metrics per run

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

Tested 2026-06-02 09:49:01 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 404 ms 405 ms 406 ms 406 ms 406 ms406 ms405 ms1 ms0.20 %
Largest Contentful Paint 2.774 s 2.511 s 1.678 s 2.651 s 2.271 s2.511 s2.377 s387 ms16.30 %
Timing metrics
First Paint 1.404 s 1.427 s 1.410 s 1.394 s 1.416 s1.410 s1.410 s11 ms0.79 %
Largest Contentful Paint 2.774 s 2.511 s 1.678 s 2.651 s 2.271 s2.511 s2.377 s387 ms16.30 %
Load Event End 2.779 s 2.817 s 2.772 s 2.656 s 3.062 s2.779 s2.817 s134 ms4.75 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 404 ms 405 ms 406 ms 406 ms 406 ms406 ms405 ms1 ms0.20 %
Page Load Time 2.779 s 2.817 s 2.771 s 2.656 s 3.062 s2.779 s2.817 s134 ms4.75 %
First Visual Change 1.433 s 1.467 s 1.467 s 1.433 s 1.467 s1.467 s1.453 s17 ms1.15 %
Last Visual Change 4.267 s 4.234 s 4.467 s 4.400 s 4.533 s4.400 s4.380 s114 ms2.61 %
Speed Index 1.792 s 1.804 s 1.766 s 1.777 s 1.848 s1.792 s1.797 s28 ms1.58 %
Visual Readiness 2.834 s 2.767 s 3.000 s 2.967 s 3.066 s2.967 s2.927 s110 ms3.76 %
Visual Complete 95 3.267 s 3.167 s 3.433 s 3.267 s 3.533 s3.267 s3.333 s131 ms3.94 %
Visual Complete 99 3.267 s 3.167 s 3.433 s 3.300 s 3.533 s3.300 s3.340 s129 ms3.85 %
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 22222 22222 22222 22226 22222222222222320.01 %
Document height 50613 50613 50613 50617 50613506135061420.00 %
Total Requests 65 66 66 64 65656511.15 %
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 1.5 MB 1.4 MB1.4 MB1.4 MB27.0 KB1.88 %
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 311.4 KB 311.4 KB 311.4 KB 312.3 KB 311.4 KB311.4 KB311.6 KB378 B0.12 %
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 86.1 KB 86.1 KB 86.3 KB 80.2 KB 86.1 KB86.1 KB85.0 KB2.4 KB2.78 %
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 66 64 65656511.15 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.5 MB 1.4 MB1.4 MB1.4 MB27.0 KB1.88 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %