Metrics per run

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

Tested 2026-06-01 09:05:16 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 414 ms 405 ms 407 ms 409 ms407 ms408 ms3 ms0.75 %
Largest Contentful Paint 2.271 s 2.373 s 2.388 s 2.506 s 2.430 s2.388 s2.394 s77 ms3.21 %
Timing metrics
First Paint 1.296 s 1.302 s 1.317 s 1.321 s 1.300 s1.302 s1.307 s10 ms0.76 %
Largest Contentful Paint 2.271 s 2.373 s 2.388 s 2.506 s 2.430 s2.388 s2.394 s77 ms3.21 %
Load Event End 2.378 s 2.419 s 2.392 s 2.510 s 2.474 s2.419 s2.435 s50 ms2.05 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 407 ms 414 ms 405 ms 407 ms 409 ms407 ms408 ms3 ms0.75 %
Page Load Time 2.377 s 2.418 s 2.392 s 2.510 s 2.473 s2.418 s2.434 s50 ms2.06 %
First Visual Change 1.367 s 1.367 s 1.367 s 1.367 s 1.367 s1.367 s1.367 s0 ms0.00 %
Last Visual Change 3.767 s 3.733 s 3.867 s 3.767 s 3.800 s3.767 s3.787 s45 ms1.20 %
Speed Index 1.665 s 1.676 s 1.678 s 1.631 s 1.671 s1.671 s1.664 s17 ms1.03 %
Visual Readiness 2.400 s 2.366 s 2.500 s 2.400 s 2.433 s2.400 s2.420 s45 ms1.87 %
Visual Complete 95 2.767 s 2.700 s 2.833 s 2.633 s 2.767 s2.767 s2.740 s68 ms2.48 %
Visual Complete 99 2.767 s 2.700 s 2.833 s 2.700 s 2.767 s2.767 s2.753 s50 ms1.81 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 81 ms 77 ms 77 ms 77 ms77 ms78 ms2 ms2.22 %
Page metrics
DOM elements 22199 22199 22199 22203 22199221992220020.01 %
Document height 50535 50535 50535 50540 50535505355053620.00 %
Total Requests 65 65 65 64 65656500.62 %
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 1.4 MB 1.4 MB 1.4 MB 1.5 MB 1.4 MB1.4 MB1.4 MB27.0 KB1.88 %
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 311.5 KB 311.4 KB 311.5 KB 312.3 KB 311.4 KB311.5 KB311.6 KB355 B0.11 %
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 80.2 KB 86.1 KB86.1 KB85.0 KB2.4 KB2.78 %
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 65 64 65656500.62 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.5 MB 1.4 MB1.4 MB1.4 MB27.0 KB1.88 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %