Metrics per run

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

Tested 2025-08-26 02:48:47 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 515 ms 514 ms 623 ms 514 ms 500 ms514 ms533 ms45 ms8.49 %
First Contentful Paint 999 ms 966 ms 1.101 s 1.100 s 1.067 s1.067 s1.047 s55 ms5.23 %
Largest Contentful Paint 2.852 s 2.458 s 2.493 s 2.827 s 2.646 s2.646 s2.655 s163 ms6.15 %
Timing metrics
First Paint 1.296 s 1.248 s 1.365 s 1.367 s 1.353 s1.353 s1.326 s47 ms3.52 %
First Contentful Paint 999 ms 966 ms 1.101 s 1.100 s 1.067 s1.067 s1.047 s55 ms5.23 %
Largest Contentful Paint 2.852 s 2.458 s 2.493 s 2.827 s 2.646 s2.646 s2.655 s163 ms6.15 %
Load Event End 2.957 s 2.654 s 3.230 s 2.833 s 2.928 s2.928 s2.920 s188 ms6.42 %
Server Response Time 195 ms 195 ms 224 ms 193 ms 195 ms195 ms200 ms12 ms5.90 %
TTFB 515 ms 514 ms 623 ms 514 ms 500 ms514 ms533 ms45 ms8.49 %
Page Load Time 2.957 s 2.654 s 3.230 s 2.832 s 2.928 s2.928 s2.920 s188 ms6.43 %
First Visual Change 1.333 s 1.300 s 1.433 s 1.400 s 1.400 s1.400 s1.373 s49 ms3.57 %
Last Visual Change 4.000 s 3.833 s 3.933 s 3.933 s 4.000 s3.933 s3.940 s61 ms1.55 %
Speed Index 1.515 s 1.467 s 1.587 s 1.546 s 1.581 s1.546 s1.539 s44 ms2.89 %
Visual Readiness 2.667 s 2.533 s 2.500 s 2.533 s 2.600 s2.533 s2.567 s60 ms2.33 %
Visual Complete 95 2.633 s 2.466 s 2.500 s 2.400 s 2.667 s2.500 s2.533 s101 ms4.00 %
Visual Complete 99 2.867 s 2.700 s 2.933 s 2.833 s 2.867 s2.867 s2.840 s77 ms2.72 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 51 ms 52 ms 51 ms 53 ms52 ms52 ms1 ms1.44 %
Page metrics
DOM elements 20835 20835 20835 20835 20835208352083500.00 %
Document height 45789 45789 45789 45789 45789457894578900.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB3 B0.00 %
HTML Transfer Size 243.1 KB 243.1 KB 243.1 KB 243.1 KB 243.1 KB243.1 KB243.1 KB0 b0.00 %
JavaScript Transfer Size 370.1 KB 370.1 KB 370.1 KB 370.1 KB 370.1 KB370.1 KB370.1 KB0 b0.00 %
CSS Transfer Size 27.2 KB 27.2 KB 27.2 KB 27.2 KB 27.2 KB27.2 KB27.2 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 32.9 KB 32.9 KB 32.9 KB 32.9 KB 32.9 KB32.9 KB32.9 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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB3 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %