Metrics per run

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

Tested 2025-08-28 11:55:35 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 496 ms 585 ms 555 ms 614 ms 605 ms585 ms571 ms43 ms7.46 %
First Contentful Paint 948 ms 1.152 s 982 ms 1.185 s 1.017 s1.017 s1.057 s94 ms8.93 %
Largest Contentful Paint 2.405 s 1.610 s 2.220 s 2.374 s 2.510 s2.374 s2.224 s321 ms14.42 %
Timing metrics
First Paint 1.188 s 1.392 s 1.223 s 1.435 s 1.263 s1.263 s1.300 s96 ms7.42 %
First Contentful Paint 948 ms 1.152 s 982 ms 1.185 s 1.017 s1.017 s1.057 s94 ms8.93 %
Largest Contentful Paint 2.405 s 1.610 s 2.220 s 2.374 s 2.510 s2.374 s2.224 s321 ms14.42 %
Load Event End 2.651 s 2.691 s 2.980 s 3.188 s 2.980 s2.980 s2.898 s201 ms6.93 %
Server Response Time 194 ms 194 ms 195 ms 193 ms 195 ms194 ms194 ms1 ms0.39 %
TTFB 496 ms 585 ms 555 ms 614 ms 605 ms585 ms571 ms43 ms7.46 %
Page Load Time 2.651 s 2.690 s 2.980 s 3.188 s 2.979 s2.979 s2.898 s201 ms6.93 %
First Visual Change 1.233 s 1.433 s 1.300 s 1.500 s 1.333 s1.333 s1.360 s95 ms7.01 %
Last Visual Change 3.467 s 3.633 s 3.666 s 3.866 s 3.600 s3.633 s3.646 s129 ms3.54 %
Speed Index 1.373 s 1.477 s 1.428 s 1.628 s 1.483 s1.477 s1.478 s85 ms5.75 %
Visual Readiness 2.234 s 2.200 s 2.366 s 2.366 s 2.267 s2.267 s2.287 s68 ms2.98 %
Visual Complete 95 2.200 s 1.567 s 2.133 s 2.400 s 2.433 s2.200 s2.147 s312 ms14.51 %
Visual Complete 99 2.333 s 2.600 s 2.366 s 2.733 s 2.533 s2.533 s2.513 s149 ms5.91 %
CPU metrics
Browser metrics
CPU benchmark score 53 ms 52 ms 51 ms 53 ms 53 ms53 ms52 ms1 ms1.53 %
Page metrics
DOM elements 20856 20856 20856 20856 20856208562085600.00 %
Document height 45843 45843 45843 45843 45843458434584300.00 %
Total Requests 64 64 64 64 64646400.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB1 B0.00 %
HTML Transfer Size 243.6 KB 243.6 KB 243.6 KB 243.6 KB 243.6 KB243.6 KB243.6 KB0 b0.00 %
JavaScript Transfer Size 368.3 KB 368.3 KB 368.3 KB 368.3 KB 368.3 KB368.3 KB368.3 KB0 b0.00 %
CSS Transfer Size 27.3 KB 27.3 KB 27.3 KB 27.3 KB 27.3 KB27.3 KB27.3 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 33.2 KB 33.2 KB 33.2 KB 33.2 KB 33.2 KB33.2 KB33.2 KB0 b0.00 %
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 64 64 64646400.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %