Metrics per run

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

Tested 2026-06-21 19:51:59 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 417 ms 418 ms 418 ms 421 ms418 ms418 ms1 ms0.35 %
Largest Contentful Paint 2.516 s 2.397 s 2.216 s 2.276 s 1.509 s2.276 s2.183 s352 ms16.14 %
Timing metrics
First Paint 1.421 s 1.352 s 1.393 s 1.354 s 1.467 s1.393 s1.397 s43 ms3.10 %
Largest Contentful Paint 2.516 s 2.397 s 2.216 s 2.276 s 1.509 s2.276 s2.183 s352 ms16.14 %
Load Event End 2.635 s 2.408 s 2.150 s 2.495 s 2.747 s2.495 s2.487 s205 ms8.23 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 417 ms 417 ms 418 ms 418 ms 421 ms418 ms418 ms1 ms0.35 %
Page Load Time 2.634 s 2.408 s 2.150 s 2.495 s 2.746 s2.495 s2.487 s204 ms8.21 %
First Visual Change 1.467 s 1.400 s 1.467 s 1.400 s 1.500 s1.467 s1.447 s40 ms2.77 %
Last Visual Change 4.100 s 4.034 s 3.933 s 3.900 s 4.133 s4.034 s4.020 s91 ms2.26 %
Speed Index 1.795 s 1.734 s 1.763 s 1.707 s 1.749 s1.749 s1.750 s29 ms1.68 %
Visual Readiness 2.633 s 2.634 s 2.466 s 2.500 s 2.633 s2.633 s2.573 s74 ms2.89 %
Visual Complete 95 3.000 s 2.900 s 2.900 s 2.900 s 3.100 s2.900 s2.960 s80 ms2.70 %
Visual Complete 99 3.000 s 2.900 s 2.900 s 2.900 s 3.100 s2.900 s2.960 s80 ms2.70 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 79 ms 77 ms 78 ms 77 ms78 ms78 ms1 ms1.15 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 66 67 67 67676700.60 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.5 KB0.11 %
HTML Transfer Size 265.8 KB 265.8 KB 265.8 KB 265.8 KB 265.9 KB265.8 KB265.8 KB30 B0.01 %
JavaScript Transfer Size 311.4 KB 311.5 KB 311.4 KB 311.4 KB 311.8 KB311.4 KB311.5 KB181 B0.06 %
CSS Transfer Size 28.8 KB 28.8 KB 28.8 KB 28.8 KB 29.0 KB28.8 KB28.9 KB60 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 2.0 KB 2.0 KB 2.0 KB 2.1 KB2.0 KB2.0 KB30 B1.46 %
Plain Transfer Size 973 B 973 B 973 B 973 B 1.0 KB973 B988 B30 B3.04 %
SVG Transfer Size 89.2 KB 89.2 KB 89.0 KB 89.2 KB 90.5 KB89.2 KB89.4 KB564 B0.62 %
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 67 66 67 67 67676700.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.5 KB0.11 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %