Metrics per run

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

Tested 2026-05-31 11:52:54 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 410 ms 406 ms 409 ms 407 ms 409 ms409 ms408 ms1 ms0.36 %
Largest Contentful Paint 2.339 s 2.451 s 2.271 s 2.357 s 2.254 s2.339 s2.334 s70 ms3.01 %
Timing metrics
First Paint 1.304 s 1.360 s 1.307 s 1.340 s 1.296 s1.307 s1.321 s24 ms1.85 %
Largest Contentful Paint 2.339 s 2.451 s 2.271 s 2.357 s 2.254 s2.339 s2.334 s70 ms3.01 %
Load Event End 2.396 s 2.513 s 2.515 s 2.458 s 2.435 s2.458 s2.463 s46 ms1.86 %
Server Response Time 107 ms 106 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 410 ms 406 ms 409 ms 407 ms 409 ms409 ms408 ms1 ms0.36 %
Page Load Time 2.396 s 2.512 s 2.515 s 2.458 s 2.435 s2.458 s2.463 s46 ms1.85 %
First Visual Change 1.367 s 1.433 s 1.367 s 1.400 s 1.367 s1.367 s1.387 s26 ms1.90 %
Last Visual Change 3.733 s 3.833 s 3.767 s 3.800 s 3.700 s3.767 s3.767 s47 ms1.25 %
Speed Index 1.671 s 1.726 s 1.664 s 1.698 s 1.652 s1.671 s1.682 s27 ms1.58 %
Visual Readiness 2.366 s 2.400 s 2.400 s 2.400 s 2.333 s2.400 s2.380 s27 ms1.13 %
Visual Complete 95 2.700 s 2.800 s 2.767 s 2.800 s 2.667 s2.767 s2.747 s54 ms1.97 %
Visual Complete 99 2.700 s 2.800 s 2.767 s 2.800 s 2.667 s2.767 s2.747 s54 ms1.97 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 79 ms 79 ms 79 ms 77 ms79 ms78 ms1 ms1.25 %
Page metrics
DOM elements 22193 22193 22193 22193 22193221932219300.00 %
Document height 50535 50535 50535 50535 50535505355053500.00 %
Total Requests 65 65 65 66 65656500.61 %
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 1.4 MB 1.4 MB1.4 MB1.4 MB35 B0.00 %
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 311.0 KB 310.9 KB 310.9 KB 310.9 KB 310.9 KB310.9 KB310.9 KB36 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 86.1 KB 86.1 KB 86.1 KB 86.1 KB 86.1 KB86.1 KB86.1 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 65 65 65 66 65656500.61 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB35 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %