Metrics per run

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

Tested 2025-08-26 08:50:34 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 608 ms 513 ms 515 ms 670 ms 497 ms515 ms561 ms67 ms11.99 %
First Contentful Paint 1.033 s 982 ms 931 ms 1.151 s 914 ms982 ms1.002 s85 ms8.51 %
Largest Contentful Paint 2.689 s 2.509 s 2.334 s 2.730 s 2.714 s2.689 s2.595 s153 ms5.89 %
Timing metrics
First Paint 1.303 s 1.265 s 1.202 s 1.419 s 1.182 s1.265 s1.274 s84 ms6.62 %
First Contentful Paint 1.033 s 982 ms 931 ms 1.151 s 914 ms982 ms1.002 s85 ms8.51 %
Largest Contentful Paint 2.689 s 2.509 s 2.334 s 2.730 s 2.714 s2.689 s2.595 s153 ms5.89 %
Load Event End 3.105 s 2.789 s 2.820 s 3.058 s 2.628 s2.820 s2.880 s178 ms6.17 %
Server Response Time 194 ms 194 ms 194 ms 236 ms 194 ms194 ms202 ms17 ms8.30 %
TTFB 608 ms 513 ms 515 ms 670 ms 497 ms515 ms561 ms67 ms11.99 %
Page Load Time 3.105 s 2.788 s 2.820 s 3.057 s 2.627 s2.820 s2.879 s178 ms6.17 %
First Visual Change 1.366 s 1.300 s 1.266 s 1.466 s 1.233 s1.300 s1.326 s83 ms6.23 %
Last Visual Change 4.166 s 4.033 s 3.766 s 4.066 s 3.900 s4.033 s3.986 s139 ms3.49 %
Speed Index 1.534 s 1.461 s 1.356 s 1.633 s 1.413 s1.461 s1.479 s96 ms6.52 %
Visual Readiness 2.800 s 2.733 s 2.500 s 2.600 s 2.667 s2.667 s2.660 s104 ms3.91 %
Visual Complete 95 2.600 s 2.500 s 1.866 s 2.633 s 2.500 s2.500 s2.420 s282 ms11.65 %
Visual Complete 99 2.700 s 2.600 s 2.633 s 2.766 s 2.666 s2.666 s2.673 s57 ms2.14 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 52 ms 53 ms 60 ms 52 ms52 ms54 ms3 ms6.09 %
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 MB1 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 KB0 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 MB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %