Metrics per run

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

Tested 2026-06-21 23:39:23 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 441 ms 416 ms 417 ms 439 ms 416 ms417 ms426 ms12 ms2.73 %
Largest Contentful Paint 2.514 s 2.311 s 2.294 s 2.359 s 2.169 s2.311 s2.329 s112 ms4.79 %
Timing metrics
First Paint 1.498 s 1.486 s 1.409 s 1.422 s 1.373 s1.422 s1.438 s47 ms3.30 %
Largest Contentful Paint 2.514 s 2.311 s 2.294 s 2.359 s 2.169 s2.311 s2.329 s112 ms4.79 %
Load Event End 2.770 s 2.536 s 2.475 s 2.538 s 2.520 s2.536 s2.568 s104 ms4.04 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 441 ms 416 ms 417 ms 439 ms 416 ms417 ms426 ms12 ms2.73 %
Page Load Time 2.769 s 2.536 s 2.474 s 2.537 s 2.520 s2.536 s2.567 s103 ms4.03 %
First Visual Change 1.533 s 1.533 s 1.433 s 1.467 s 1.433 s1.467 s1.480 s45 ms3.05 %
Last Visual Change 4.100 s 4.100 s 3.867 s 4.067 s 4.067 s4.067 s4.040 s88 ms2.17 %
Speed Index 1.839 s 1.832 s 1.743 s 1.785 s 1.748 s1.785 s1.789 s40 ms2.26 %
Visual Readiness 2.567 s 2.567 s 2.434 s 2.600 s 2.634 s2.567 s2.560 s68 ms2.65 %
Visual Complete 95 3.033 s 2.967 s 2.900 s 2.967 s 3.000 s2.967 s2.973 s44 ms1.48 %
Visual Complete 99 3.033 s 2.967 s 2.900 s 2.967 s 3.000 s2.967 s2.973 s44 ms1.48 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 79 ms 81 ms 79 ms 77 ms79 ms79 ms1 ms1.60 %
Page metrics
DOM elements 22328 22327 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 67 67 67 67676700.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.1 KB0.08 %
HTML Transfer Size 265.8 KB 265.9 KB 265.9 KB 265.8 KB 265.9 KB265.9 KB265.9 KB37 B0.01 %
JavaScript Transfer Size 311.4 KB 311.9 KB 311.8 KB 311.4 KB 311.8 KB311.8 KB311.7 KB238 B0.07 %
CSS Transfer Size 28.8 KB 29.0 KB 29.0 KB 28.8 KB 29.0 KB29.0 KB28.9 KB74 B0.25 %
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 2.1 KB 2.0 KB 2.1 KB2.1 KB2.0 KB37 B1.76 %
Plain Transfer Size 973 B 1.0 KB 1.0 KB 973 B 1.0 KB1.0 KB1018 B37 B3.61 %
SVG Transfer Size 89.2 KB 90.5 KB 90.5 KB 89.2 KB 90.5 KB90.5 KB90.0 KB661 B0.72 %
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 67 67 67 67676700.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.1 KB0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %