Metrics per run

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

Tested 2026-05-31 15:25:46 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 406 ms 405 ms 406 ms 405 ms406 ms406 ms1 ms0.18 %
Largest Contentful Paint 2.271 s 1.373 s 2.221 s 2.370 s 2.381 s2.271 s2.123 s380 ms17.89 %
Timing metrics
First Paint 1.334 s 1.306 s 1.286 s 1.317 s 1.305 s1.306 s1.310 s16 ms1.20 %
Largest Contentful Paint 2.271 s 1.373 s 2.221 s 2.370 s 2.381 s2.271 s2.123 s380 ms17.89 %
Load Event End 2.476 s 2.523 s 2.457 s 2.514 s 2.401 s2.476 s2.474 s44 ms1.77 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 407 ms 406 ms 405 ms 406 ms 405 ms406 ms406 ms1 ms0.18 %
Page Load Time 2.476 s 2.523 s 2.457 s 2.513 s 2.401 s2.476 s2.474 s44 ms1.77 %
First Visual Change 1.400 s 1.367 s 1.333 s 1.367 s 1.367 s1.367 s1.367 s21 ms1.55 %
Last Visual Change 3.833 s 3.767 s 3.800 s 3.767 s 3.667 s3.767 s3.767 s56 ms1.48 %
Speed Index 1.704 s 1.578 s 1.644 s 1.669 s 1.666 s1.666 s1.652 s42 ms2.53 %
Visual Readiness 2.433 s 2.400 s 2.467 s 2.400 s 2.300 s2.400 s2.400 s56 ms2.33 %
Visual Complete 95 2.833 s 2.733 s 2.767 s 2.767 s 2.633 s2.767 s2.747 s65 ms2.38 %
Visual Complete 99 2.833 s 2.733 s 2.767 s 2.767 s 2.633 s2.767 s2.747 s65 ms2.38 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 79 ms 77 ms 77 ms 77 ms77 ms78 ms1 ms1.62 %
Page metrics
DOM elements 22193 22193 22193 22193 22193221932219300.00 %
Document height 50535 50535 50535 50535 50535505355053500.00 %
Total Requests 66 65 65 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 MB280 B0.02 %
HTML Transfer Size 264.2 KB 264.2 KB 264.2 KB 264.2 KB 264.2 KB264.2 KB264.2 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 86.1 KB 86.3 KB 86.1 KB 86.3 KB 86.1 KB86.1 KB86.2 KB93 B0.11 %
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 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 MB280 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %