Metrics per run

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

Tested 2025-04-27 04:39:08 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 497 ms 634 ms 494 ms 496 ms 494 ms496 ms523 ms56 ms10.61 %
First Contentful Paint 931 ms 1.067 s 931 ms 965 ms 932 ms932 ms965 ms53 ms5.44 %
Largest Contentful Paint 2.477 s 2.442 s 2.272 s 2.538 s 2.574 s2.477 s2.461 s105 ms4.26 %
Timing metrics
First Paint 1.294 s 1.443 s 1.278 s 1.315 s 1.305 s1.305 s1.327 s59 ms4.47 %
First Contentful Paint 931 ms 1.067 s 931 ms 965 ms 932 ms932 ms965 ms53 ms5.44 %
Largest Contentful Paint 2.477 s 2.442 s 2.272 s 2.538 s 2.574 s2.477 s2.461 s105 ms4.26 %
Load Event End 2.765 s 3.134 s 2.945 s 2.835 s 2.869 s2.869 s2.910 s126 ms4.34 %
Server Response Time 194 ms 200 ms 193 ms 195 ms 193 ms194 ms195 ms3 ms1.34 %
TTFB 497 ms 634 ms 494 ms 496 ms 494 ms496 ms523 ms56 ms10.61 %
Page Load Time 2.765 s 3.133 s 2.944 s 2.835 s 2.868 s2.868 s2.909 s126 ms4.33 %
First Visual Change 1.366 s 1.500 s 1.333 s 1.366 s 1.366 s1.366 s1.386 s58 ms4.21 %
Last Visual Change 4.166 s 4.233 s 4.100 s 4.266 s 3.733 s4.166 s4.100 s192 ms4.68 %
Speed Index 1.533 s 1.628 s 1.479 s 1.542 s 1.511 s1.533 s1.539 s50 ms3.23 %
Visual Readiness 2.800 s 2.733 s 2.767 s 2.900 s 2.367 s2.767 s2.713 s182 ms6.71 %
Visual Complete 95 2.500 s 2.466 s 2.266 s 2.566 s 2.333 s2.466 s2.426 s110 ms4.55 %
Visual Complete 99 2.800 s 3.133 s 2.966 s 2.866 s 2.866 s2.866 s2.926 s116 ms3.97 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 51 ms 51 ms 51 ms 52 ms51 ms51 ms0 ms0.95 %
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 MB153 B0.01 %
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 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 32.1 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 MB153 B0.01 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %