Metrics per run

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

Tested 2025-04-27 07:35:41 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 501 ms 496 ms 517 ms 513 ms 525 ms513 ms510 ms11 ms2.07 %
First Contentful Paint 949 ms 948 ms 965 ms 965 ms 966 ms965 ms959 ms8 ms0.86 %
Largest Contentful Paint 2.328 s 2.306 s 2.561 s 2.289 s 2.572 s2.328 s2.411 s127 ms5.29 %
Timing metrics
First Paint 1.317 s 1.301 s 1.323 s 1.318 s 1.336 s1.318 s1.319 s11 ms0.85 %
First Contentful Paint 949 ms 948 ms 965 ms 965 ms 966 ms965 ms959 ms8 ms0.86 %
Largest Contentful Paint 2.328 s 2.306 s 2.561 s 2.289 s 2.572 s2.328 s2.411 s127 ms5.29 %
Load Event End 3.024 s 2.940 s 2.852 s 2.864 s 2.851 s2.864 s2.906 s68 ms2.32 %
Server Response Time 195 ms 195 ms 194 ms 194 ms 195 ms195 ms195 ms0 ms0.25 %
TTFB 501 ms 496 ms 517 ms 513 ms 525 ms513 ms510 ms11 ms2.07 %
Page Load Time 3.023 s 2.939 s 2.852 s 2.864 s 2.850 s2.864 s2.906 s67 ms2.31 %
First Visual Change 1.366 s 1.366 s 1.400 s 1.366 s 1.367 s1.366 s1.373 s14 ms0.98 %
Last Visual Change 4.433 s 4.366 s 3.733 s 4.033 s 3.700 s4.033 s4.053 s307 ms7.56 %
Speed Index 1.513 s 1.508 s 1.569 s 1.510 s 1.537 s1.513 s1.527 s23 ms1.52 %
Visual Readiness 3.067 s 3.000 s 2.333 s 2.667 s 2.333 s2.667 s2.680 s314 ms11.72 %
Visual Complete 95 2.333 s 2.300 s 2.600 s 2.300 s 2.567 s2.333 s2.420 s134 ms5.56 %
Visual Complete 99 3.066 s 2.966 s 2.866 s 2.866 s 2.867 s2.867 s2.926 s80 ms2.73 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 51 ms 51 ms 51 ms51 ms51 ms0 ms0.00 %
Page metrics
DOM elements 22602 22602 22602 22602 22602226022260200.00 %
Document height 51828 51828 51828 51828 51828518285182800.00 %
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 MB2.4 KB0.19 %
HTML Transfer Size 265.7 KB 265.7 KB 265.7 KB 265.7 KB 265.7 KB265.7 KB265.7 KB0 b0.00 %
JavaScript Transfer Size 286.7 KB 286.7 KB 286.7 KB 286.7 KB 286.7 KB286.7 KB286.7 KB0 b0.00 %
CSS Transfer Size 26.4 KB 26.4 KB 26.4 KB 26.4 KB 26.4 KB26.4 KB26.4 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 32.1 KB 32.1 KB 32.1 KB 32.1 KB 32.1 KB32.1 KB32.1 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 MB2.4 KB0.19 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %