Metrics per run

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

Tested 2026-06-20 02:04:06 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 443 ms 419 ms 416 ms 417 ms418 ms423 ms10 ms2.43 %
Largest Contentful Paint 2.484 s 2.549 s 2.636 s 1.983 s 2.295 s2.484 s2.389 s232 ms9.71 %
Timing metrics
First Paint 1.447 s 1.359 s 1.363 s 1.335 s 1.415 s1.363 s1.384 s41 ms2.96 %
Largest Contentful Paint 2.484 s 2.549 s 2.636 s 1.983 s 2.295 s2.484 s2.389 s232 ms9.71 %
Load Event End 2.763 s 2.403 s 2.484 s 2.370 s 2.232 s2.403 s2.450 s176 ms7.19 %
Server Response Time 112 ms 112 ms 111 ms 111 ms 112 ms112 ms112 ms0 ms0.44 %
TTFB 418 ms 443 ms 419 ms 416 ms 417 ms418 ms423 ms10 ms2.43 %
Page Load Time 2.763 s 2.403 s 2.484 s 2.370 s 2.232 s2.403 s2.450 s176 ms7.19 %
First Visual Change 1.533 s 1.400 s 1.433 s 1.400 s 1.467 s1.433 s1.447 s50 ms3.44 %
Last Visual Change 4.200 s 4.100 s 3.900 s 4.067 s 4.033 s4.067 s4.060 s98 ms2.40 %
Speed Index 1.853 s 1.742 s 1.746 s 1.670 s 1.779 s1.746 s1.758 s59 ms3.38 %
Visual Readiness 2.667 s 2.700 s 2.467 s 2.667 s 2.566 s2.667 s2.613 s86 ms3.29 %
Visual Complete 95 3.167 s 2.967 s 2.867 s 2.967 s 3.000 s2.967 s2.994 s98 ms3.26 %
Visual Complete 99 3.167 s 2.967 s 2.867 s 2.967 s 3.000 s2.967 s2.994 s98 ms3.26 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 79 ms 78 ms77 ms78 ms1 ms1.03 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 66 66 66 66 67666600.60 %
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 1.3 MB 1.3 MB 1.3 MB 1.4 MB1.3 MB1.3 MB23.1 KB1.67 %
HTML Transfer Size 265.9 KB 265.9 KB 265.9 KB 265.9 KB 265.9 KB265.9 KB265.9 KB36 B0.01 %
JavaScript Transfer Size 311.7 KB 311.3 KB 311.6 KB 311.7 KB 311.2 KB311.6 KB311.5 KB216 B0.07 %
CSS Transfer Size 29.0 KB 28.8 KB 29.0 KB 29.0 KB 28.8 KB29.0 KB28.9 KB73 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.0 KB 2.1 KB 2.1 KB 2.0 KB2.1 KB2.0 KB36 B1.75 %
Plain Transfer Size 1.0 KB 973 B 1.0 KB 1.0 KB 973 B1.0 KB1018 B36 B3.58 %
SVG Transfer Size 90.5 KB 89.2 KB 90.5 KB 90.5 KB 89.2 KB90.5 KB90.0 KB656 B0.71 %
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 %
Plain 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 66 66 66 67666600.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.4 MB1.3 MB1.3 MB23.1 KB1.67 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %