Metrics per run

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

Tested 2026-06-06 23:50:55 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 410 ms 407 ms 407 ms 406 ms 405 ms407 ms407 ms2 ms0.41 %
Largest Contentful Paint 2.279 s 2.328 s 2.161 s 2.186 s 1.779 s2.186 s2.147 s194 ms9.02 %
Timing metrics
First Paint 1.333 s 1.371 s 1.308 s 1.358 s 1.311 s1.333 s1.336 s25 ms1.87 %
Largest Contentful Paint 2.279 s 2.328 s 2.161 s 2.186 s 1.779 s2.186 s2.147 s194 ms9.02 %
Load Event End 2.372 s 2.522 s 2.432 s 2.427 s 2.396 s2.427 s2.430 s51 ms2.10 %
Server Response Time 107 ms 106 ms 107 ms 106 ms 107 ms107 ms107 ms0 ms0.46 %
TTFB 410 ms 407 ms 407 ms 406 ms 405 ms407 ms407 ms2 ms0.41 %
Page Load Time 2.372 s 2.522 s 2.431 s 2.427 s 2.395 s2.427 s2.429 s51 ms2.10 %
First Visual Change 1.367 s 1.433 s 1.367 s 1.433 s 1.367 s1.367 s1.393 s32 ms2.32 %
Last Visual Change 3.733 s 3.867 s 3.667 s 3.767 s 3.733 s3.733 s3.753 s65 ms1.74 %
Speed Index 1.651 s 1.713 s 1.644 s 1.707 s 1.589 s1.651 s1.661 s46 ms2.75 %
Visual Readiness 2.366 s 2.434 s 2.300 s 2.334 s 2.366 s2.366 s2.360 s44 ms1.88 %
Visual Complete 95 2.700 s 2.833 s 2.667 s 2.733 s 2.733 s2.733 s2.733 s56 ms2.03 %
Visual Complete 99 2.700 s 2.833 s 2.667 s 2.733 s 2.733 s2.733 s2.733 s56 ms2.03 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 81 ms 82 ms 79 ms 77 ms79 ms79 ms2 ms2.34 %
Page metrics
DOM elements 22242 22242 22242 22242 22242222422224200.00 %
Document height 50684 50684 50684 50684 50684506845068400.00 %
Total Requests 66 65 65 66 66666600.75 %
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 1.3 MB1.3 MB1.3 MB266 B0.02 %
HTML Transfer Size 265.0 KB 265.0 KB 265.0 KB 265.0 KB 265.0 KB265.0 KB265.0 KB0 b0.00 %
JavaScript Transfer Size 310.9 KB 310.9 KB 310.9 KB 310.9 KB 311.0 KB310.9 KB310.9 KB37 B0.01 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 88.8 KB 88.8 KB 88.8 KB 88.8 KB 89.0 KB88.8 KB88.9 KB76 B0.08 %
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 66 65 65 66 66666600.75 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB266 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %