Metrics per run

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

Tested 2026-06-16 04:33:36 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 420 ms 420 ms 419 ms 416 ms419 ms418 ms2 ms0.44 %
Largest Contentful Paint 2.661 s 2.550 s 2.262 s 2.842 s 2.361 s2.550 s2.535 s207 ms8.18 %
Timing metrics
First Paint 1.427 s 1.469 s 1.411 s 1.474 s 1.475 s1.469 s1.451 s27 ms1.85 %
Largest Contentful Paint 2.661 s 2.550 s 2.262 s 2.842 s 2.361 s2.550 s2.535 s207 ms8.18 %
Load Event End 2.667 s 2.896 s 2.890 s 2.847 s 2.294 s2.847 s2.719 s228 ms8.39 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 111 ms112 ms112 ms0 ms0.36 %
TTFB 416 ms 420 ms 420 ms 419 ms 416 ms419 ms418 ms2 ms0.44 %
Page Load Time 2.666 s 2.895 s 2.889 s 2.847 s 2.293 s2.847 s2.718 s228 ms8.40 %
First Visual Change 1.467 s 1.500 s 1.467 s 1.533 s 1.533 s1.500 s1.500 s30 ms1.97 %
Last Visual Change 4.200 s 4.600 s 4.433 s 4.333 s 4.500 s4.433 s4.413 s138 ms3.12 %
Speed Index 1.830 s 1.909 s 1.847 s 1.899 s 1.914 s1.899 s1.880 s34 ms1.83 %
Visual Readiness 2.733 s 3.100 s 2.966 s 2.800 s 2.967 s2.966 s2.913 s131 ms4.50 %
Visual Complete 95 3.200 s 3.533 s 3.433 s 3.333 s 3.500 s3.433 s3.400 s121 ms3.56 %
Visual Complete 99 3.200 s 3.533 s 3.433 s 3.367 s 3.500 s3.433 s3.407 s118 ms3.46 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 79 ms 77 ms 78 ms 77 ms78 ms78 ms1 ms1.49 %
Page metrics
DOM elements 22284 22284 22284 22284 22284222842228400.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 66 66 66 66 65666600.61 %
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 MB1.8 KB0.13 %
HTML Transfer Size 265.3 KB 265.3 KB 265.3 KB 265.3 KB 265.3 KB265.3 KB265.3 KB30 B0.01 %
JavaScript Transfer Size 307.1 KB 307.1 KB 307.1 KB 307.6 KB 307.1 KB307.1 KB307.2 KB180 B0.06 %
CSS Transfer Size 28.2 KB 28.2 KB 28.2 KB 28.3 KB 28.2 KB28.2 KB28.2 KB60 B0.21 %
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 2.1 KB 2.0 KB2.0 KB2.0 KB30 B1.46 %
SVG Transfer Size 89.0 KB 89.0 KB 89.0 KB 90.3 KB 89.0 KB89.0 KB89.3 KB540 B0.59 %
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 66 66 66 65666600.61 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.8 KB0.13 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %