Metrics per run

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

Tested 2026-06-06 20:18:54 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 406 ms 408 ms 407 ms 410 ms407 ms408 ms1 ms0.33 %
Largest Contentful Paint 1.847 s 2.309 s 2.153 s 2.248 s 2.240 s2.240 s2.159 s164 ms7.59 %
Timing metrics
First Paint 1.325 s 1.334 s 1.319 s 1.326 s 1.338 s1.326 s1.328 s7 ms0.51 %
Largest Contentful Paint 1.847 s 2.309 s 2.153 s 2.248 s 2.240 s2.240 s2.159 s164 ms7.59 %
Load Event End 2.545 s 2.463 s 2.340 s 2.556 s 2.434 s2.463 s2.468 s79 ms3.20 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 106 ms107 ms107 ms0 ms0.37 %
TTFB 407 ms 406 ms 408 ms 407 ms 410 ms407 ms408 ms1 ms0.33 %
Page Load Time 2.544 s 2.463 s 2.339 s 2.555 s 2.433 s2.463 s2.467 s79 ms3.20 %
First Visual Change 1.367 s 1.400 s 1.367 s 1.367 s 1.367 s1.367 s1.374 s13 ms0.96 %
Last Visual Change 3.800 s 3.700 s 3.667 s 3.800 s 3.733 s3.733 s3.740 s53 ms1.42 %
Speed Index 1.608 s 1.673 s 1.647 s 1.670 s 1.661 s1.661 s1.652 s24 ms1.43 %
Visual Readiness 2.433 s 2.300 s 2.300 s 2.433 s 2.366 s2.366 s2.366 s59 ms2.51 %
Visual Complete 95 2.767 s 2.667 s 2.700 s 2.767 s 2.767 s2.767 s2.734 s42 ms1.54 %
Visual Complete 99 2.767 s 2.667 s 2.700 s 2.767 s 2.767 s2.767 s2.734 s42 ms1.54 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 77 ms 77 ms 80 ms 77 ms77 ms78 ms1 ms1.88 %
Page metrics
DOM elements 22242 22242 22242 22242 22242222422224200.00 %
Document height 50684 50684 50684 50684 50684506845068400.00 %
Total Requests 65 65 66 65 66656500.75 %
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 MB227 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 310.9 KB310.9 KB310.9 KB1 B0.00 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB0 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 89.0 KB 88.8 KB 88.8 KB 88.8 KB 88.8 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 65 65 66 65 66656500.75 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB227 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %