Metrics per run

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

Tested 2026-06-02 02:46:23 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 406 ms 406 ms 407 ms 407 ms407 ms407 ms0 ms0.12 %
Largest Contentful Paint 2.016 s 1.983 s 2.106 s 2.034 s 1.915 s2.016 s2.011 s63 ms3.11 %
Timing metrics
First Paint 1.448 s 1.397 s 1.388 s 1.402 s 1.443 s1.402 s1.416 s25 ms1.76 %
Largest Contentful Paint 2.016 s 1.983 s 2.106 s 2.034 s 1.915 s2.016 s2.011 s63 ms3.11 %
Load Event End 2.113 s 2.074 s 2.042 s 2.081 s 2.073 s2.074 s2.077 s23 ms1.09 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 407 ms 406 ms 406 ms 407 ms 407 ms407 ms407 ms0 ms0.12 %
Page Load Time 2.113 s 2.074 s 2.042 s 2.081 s 2.073 s2.074 s2.077 s23 ms1.09 %
First Visual Change 1.500 s 1.433 s 1.433 s 1.467 s 1.500 s1.467 s1.467 s30 ms2.04 %
Last Visual Change 4.300 s 4.233 s 4.233 s 4.267 s 3.967 s4.233 s4.200 s119 ms2.84 %
Speed Index 1.808 s 1.728 s 1.750 s 1.777 s 1.750 s1.750 s1.763 s28 ms1.56 %
Visual Readiness 2.800 s 2.800 s 2.800 s 2.800 s 2.467 s2.800 s2.733 s133 ms4.87 %
Visual Complete 95 3.167 s 3.067 s 3.067 s 3.133 s 2.834 s3.067 s3.054 s116 ms3.81 %
Visual Complete 99 3.200 s 3.067 s 3.067 s 3.133 s 2.900 s3.067 s3.073 s100 ms3.24 %
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 22226 22222 22222 22222 22226222222222420.01 %
Document height 50617 50613 50613 50613 50617506135061520.00 %
Total Requests 64 66 66 66 64666511.50 %
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 1.2 MB 1.2 MB 1.3 MB1.2 MB1.3 MB34.4 KB2.68 %
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 311.4 KB 311.4 KB 312.3 KB311.4 KB311.7 KB463 B0.14 %
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 80.2 KB 86.3 KB 86.3 KB 86.1 KB 80.2 KB86.1 KB83.8 KB2.9 KB3.49 %
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 66 66 64666511.50 %
First Party Total Transfer Size 1.3 MB 1.2 MB 1.2 MB 1.2 MB 1.3 MB1.2 MB1.3 MB34.4 KB2.68 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %