Metrics per run

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

Tested 2026-06-02 06:16:59 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 406 ms 406 ms 406 ms 405 ms 406 ms406 ms406 ms0 ms0.10 %
Largest Contentful Paint 2.201 s 2.822 s 1.728 s 2.228 s 2.241 s2.228 s2.244 s347 ms15.47 %
Timing metrics
First Paint 1.399 s 1.410 s 1.385 s 1.395 s 1.437 s1.399 s1.405 s18 ms1.27 %
Largest Contentful Paint 2.201 s 2.822 s 1.728 s 2.228 s 2.241 s2.228 s2.244 s347 ms15.47 %
Load Event End 2.820 s 2.827 s 2.748 s 3.082 s 3.096 s2.827 s2.915 s145 ms4.98 %
Server Response Time 107 ms 107 ms 106 ms 106 ms 107 ms107 ms107 ms0 ms0.46 %
TTFB 406 ms 406 ms 406 ms 405 ms 406 ms406 ms406 ms0 ms0.10 %
Page Load Time 2.820 s 2.827 s 2.748 s 3.082 s 3.096 s2.827 s2.915 s145 ms4.98 %
First Visual Change 1.467 s 1.467 s 1.433 s 1.467 s 1.500 s1.467 s1.467 s21 ms1.44 %
Last Visual Change 4.333 s 4.333 s 4.233 s 4.600 s 4.600 s4.333 s4.420 s152 ms3.43 %
Speed Index 1.819 s 1.820 s 1.708 s 1.826 s 1.883 s1.820 s1.811 s57 ms3.14 %
Visual Readiness 2.866 s 2.866 s 2.800 s 3.133 s 3.100 s2.866 s2.953 s136 ms4.61 %
Visual Complete 95 3.333 s 3.333 s 3.133 s 3.467 s 3.567 s3.333 s3.367 s146 ms4.35 %
Visual Complete 99 3.333 s 3.333 s 3.133 s 3.500 s 3.567 s3.333 s3.373 s151 ms4.49 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 79 ms 80 ms 77 ms 80 ms79 ms79 ms1 ms1.39 %
Page metrics
DOM elements 22222 22222 22222 22226 22222222222222320.01 %
Document height 50613 50613 50613 50591 50613506135060990.02 %
Total Requests 66 65 66 63 65656511.69 %
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 MB9.3 KB0.65 %
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 KB374 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 KB84.9 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 66 65 66 63 65656511.69 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB9.3 KB0.65 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %