Metrics per run

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

Tested 2026-06-20 13:29:30 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 419 ms 417 ms 415 ms 421 ms417 ms418 ms2 ms0.49 %
Largest Contentful Paint 2.718 s 2.424 s 2.491 s 2.484 s 2.359 s2.484 s2.495 s121 ms4.86 %
Timing metrics
First Paint 1.389 s 1.390 s 1.413 s 1.394 s 1.290 s1.390 s1.375 s43 ms3.16 %
Largest Contentful Paint 2.718 s 2.424 s 2.491 s 2.484 s 2.359 s2.484 s2.495 s121 ms4.86 %
Load Event End 2.451 s 2.562 s 2.837 s 2.604 s 2.532 s2.562 s2.597 s130 ms5.00 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 417 ms 419 ms 417 ms 415 ms 421 ms417 ms418 ms2 ms0.49 %
Page Load Time 2.451 s 2.562 s 2.837 s 2.604 s 2.532 s2.562 s2.597 s130 ms5.00 %
First Visual Change 1.434 s 1.434 s 1.467 s 1.467 s 1.367 s1.434 s1.434 s37 ms2.55 %
Last Visual Change 3.967 s 3.967 s 4.067 s 4.100 s 3.767 s3.967 s3.974 s116 ms2.92 %
Speed Index 1.760 s 1.764 s 1.792 s 1.816 s 1.686 s1.764 s1.764 s44 ms2.48 %
Visual Readiness 2.533 s 2.533 s 2.600 s 2.633 s 2.400 s2.533 s2.540 s80 ms3.15 %
Visual Complete 95 2.934 s 2.967 s 3.067 s 3.067 s 2.767 s2.967 s2.960 s110 ms3.73 %
Visual Complete 99 2.934 s 2.967 s 3.067 s 3.067 s 2.767 s2.967 s2.960 s110 ms3.73 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 80 ms 77 ms77 ms78 ms1 ms1.55 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 66 66 66 66 66666600.00 %
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 MB917 B0.06 %
HTML Transfer Size 265.9 KB 265.9 KB 265.9 KB 265.9 KB 265.9 KB265.9 KB265.9 KB29 B0.01 %
JavaScript Transfer Size 311.3 KB 311.7 KB 311.2 KB 311.3 KB 311.2 KB311.3 KB311.4 KB196 B0.06 %
CSS Transfer Size 28.8 KB 29.0 KB 28.8 KB 28.8 KB 28.8 KB28.8 KB28.9 KB59 B0.20 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB29 B1.42 %
Plain Transfer Size 973 B 1.0 KB 973 B 973 B 973 B973 B988 B29 B2.96 %
SVG Transfer Size 89.2 KB 90.5 KB 89.2 KB 89.2 KB 89.2 KB89.2 KB89.4 KB526 B0.57 %
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 %
Plain 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 66666600.00 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB917 B0.06 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %