Metrics per run

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

Tested 2026-06-04 14:57:02 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 408 ms 407 ms 406 ms 407 ms 406 ms407 ms407 ms1 ms0.18 %
Largest Contentful Paint 2.343 s 2.356 s 2.408 s 2.264 s 2.437 s2.356 s2.362 s60 ms2.52 %
Timing metrics
First Paint 1.335 s 1.350 s 1.386 s 1.390 s 1.363 s1.363 s1.365 s21 ms1.54 %
Largest Contentful Paint 2.343 s 2.356 s 2.408 s 2.264 s 2.437 s2.356 s2.362 s60 ms2.52 %
Load Event End 2.418 s 2.637 s 2.488 s 2.201 s 2.512 s2.488 s2.451 s144 ms5.86 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 408 ms 407 ms 406 ms 407 ms 406 ms407 ms407 ms1 ms0.18 %
Page Load Time 2.418 s 2.637 s 2.487 s 2.201 s 2.512 s2.487 s2.451 s144 ms5.86 %
First Visual Change 1.367 s 1.400 s 1.433 s 1.467 s 1.400 s1.400 s1.413 s34 ms2.40 %
Last Visual Change 3.734 s 3.867 s 3.833 s 3.867 s 3.867 s3.867 s3.834 s52 ms1.34 %
Speed Index 1.664 s 1.705 s 1.730 s 1.751 s 1.711 s1.711 s1.712 s29 ms1.69 %
Visual Readiness 2.367 s 2.467 s 2.400 s 2.400 s 2.467 s2.400 s2.420 s40 ms1.66 %
Visual Complete 95 2.767 s 2.867 s 2.833 s 2.833 s 2.867 s2.833 s2.833 s37 ms1.29 %
Visual Complete 99 2.767 s 2.867 s 2.833 s 2.833 s 2.867 s2.833 s2.833 s37 ms1.29 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 78 ms 79 ms 77 ms 77 ms77 ms78 ms1 ms1.03 %
Page metrics
DOM elements 22223 22223 22223 22223 22223222232222300.00 %
Document height 50633 50633 50633 50633 50633506335063300.00 %
Total Requests 66 65 66 66 66666600.61 %
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 MB227 B0.02 %
HTML Transfer Size 264.7 KB 264.7 KB 264.7 KB 264.7 KB 264.7 KB264.7 KB264.7 KB0 b0.00 %
JavaScript Transfer Size 311.5 KB 311.5 KB 311.5 KB 311.5 KB 311.5 KB311.5 KB311.5 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 88.8 KB 89.0 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 66 65 66 66 66666600.61 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB227 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %