Metrics per run

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

Tested 2026-06-02 23:56:17 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 406 ms 405 ms 405 ms 409 ms406 ms406 ms1 ms0.37 %
Largest Contentful Paint 1.915 s 2.050 s 2.144 s 2.000 s 1.542 s2.000 s1.930 s208 ms10.76 %
Timing metrics
First Paint 1.476 s 1.411 s 1.415 s 1.452 s 1.420 s1.420 s1.435 s25 ms1.76 %
Largest Contentful Paint 1.915 s 2.050 s 2.144 s 2.000 s 1.542 s2.000 s1.930 s208 ms10.76 %
Load Event End 2.101 s 2.116 s 2.076 s 2.129 s 2.106 s2.106 s2.106 s18 ms0.84 %
Server Response Time 107 ms 107 ms 107 ms 106 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 407 ms 406 ms 405 ms 405 ms 409 ms406 ms406 ms1 ms0.37 %
Page Load Time 2.100 s 2.116 s 2.076 s 2.128 s 2.106 s2.106 s2.105 s17 ms0.83 %
First Visual Change 1.567 s 1.500 s 1.467 s 1.500 s 1.467 s1.500 s1.500 s37 ms2.43 %
Last Visual Change 4.400 s 4.233 s 4.267 s 4.167 s 4.000 s4.233 s4.213 s131 ms3.11 %
Speed Index 1.869 s 1.810 s 1.768 s 1.791 s 1.703 s1.791 s1.788 s54 ms3.03 %
Visual Readiness 2.833 s 2.733 s 2.800 s 2.667 s 2.533 s2.733 s2.713 s107 ms3.93 %
Visual Complete 95 3.267 s 3.167 s 3.000 s 3.067 s 2.867 s3.067 s3.074 s137 ms4.47 %
Visual Complete 99 3.333 s 3.167 s 3.100 s 3.133 s 2.933 s3.133 s3.133 s128 ms4.09 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 80 ms 78 ms77 ms78 ms1 ms1.50 %
Page metrics
DOM elements 22226 22222 22226 22226 22226222262222520.01 %
Document height 50617 50613 50617 50617 50617506175061620.00 %
Total Requests 64 66 64 64 64646411.24 %
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 1.2 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB25.7 KB1.95 %
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 312.3 KB 311.4 KB 312.3 KB 312.3 KB 312.3 KB312.3 KB312.2 KB377 B0.12 %
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 80.2 KB 86.1 KB 80.2 KB 80.2 KB 80.2 KB80.2 KB81.4 KB2.3 KB2.88 %
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 66 64 64 64646411.24 %
First Party Total Transfer Size 1.3 MB 1.2 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB25.7 KB1.95 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %