Metrics per run

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

Tested 2026-06-02 13:20:58 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 406 ms 406 ms 433 ms 408 ms 406 ms406 ms412 ms11 ms2.58 %
Largest Contentful Paint 2.469 s 2.141 s 2.540 s 2.169 s 2.219 s2.219 s2.308 s164 ms7.12 %
Timing metrics
First Paint 1.416 s 1.366 s 1.480 s 1.448 s 1.430 s1.430 s1.428 s38 ms2.64 %
Largest Contentful Paint 2.469 s 2.141 s 2.540 s 2.169 s 2.219 s2.219 s2.308 s164 ms7.12 %
Load Event End 2.729 s 2.730 s 2.872 s 2.169 s 2.830 s2.730 s2.666 s255 ms9.55 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 406 ms 406 ms 433 ms 408 ms 406 ms406 ms412 ms11 ms2.58 %
Page Load Time 2.728 s 2.729 s 2.872 s 2.168 s 2.830 s2.729 s2.665 s255 ms9.57 %
First Visual Change 1.467 s 1.433 s 1.533 s 1.500 s 1.467 s1.467 s1.480 s34 ms2.29 %
Last Visual Change 4.300 s 4.233 s 4.300 s 4.033 s 4.333 s4.300 s4.240 s108 ms2.56 %
Speed Index 1.780 s 1.757 s 1.866 s 1.772 s 1.787 s1.780 s1.792 s38 ms2.13 %
Visual Readiness 2.833 s 2.800 s 2.767 s 2.533 s 2.866 s2.800 s2.760 s118 ms4.28 %
Visual Complete 95 3.133 s 3.167 s 3.267 s 2.900 s 3.200 s3.167 s3.133 s125 ms3.98 %
Visual Complete 99 3.133 s 3.167 s 3.267 s 3.000 s 3.233 s3.167 s3.160 s93 ms2.94 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 78 ms 80 ms 77 ms 77 ms77 ms78 ms1 ms1.50 %
Page metrics
DOM elements 22226 22226 22222 22226 22226222262222520.01 %
Document height 50617 50617 50613 50617 50617506175061620.00 %
Total Requests 64 64 66 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 1.4 MB 1.4 MB 1.3 MB 1.4 MB 1.4 MB1.4 MB1.4 MB27.1 KB1.89 %
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 312.3 KB 311.4 KB 312.3 KB 312.3 KB312.3 KB312.1 KB377 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 80.2 KB 80.2 KB 86.1 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 64 66 64 64646411.24 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.3 MB 1.4 MB 1.4 MB1.4 MB1.4 MB27.1 KB1.89 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %