Metrics per run

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

Tested 2026-06-22 14:51:06 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 418 ms 416 ms 417 ms 418 ms417 ms417 ms1 ms0.18 %
Largest Contentful Paint 2.390 s 2.301 s 2.373 s 2.625 s 2.528 s2.390 s2.443 s117 ms4.78 %
Timing metrics
First Paint 1.386 s 1.302 s 1.418 s 1.331 s 1.438 s1.386 s1.375 s51 ms3.74 %
Largest Contentful Paint 2.390 s 2.301 s 2.373 s 2.625 s 2.528 s2.390 s2.443 s117 ms4.78 %
Load Event End 2.531 s 2.462 s 2.555 s 2.635 s 2.697 s2.555 s2.576 s82 ms3.18 %
Server Response Time 112 ms 113 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.36 %
TTFB 417 ms 418 ms 416 ms 417 ms 418 ms417 ms417 ms1 ms0.18 %
Page Load Time 2.531 s 2.462 s 2.555 s 2.635 s 2.697 s2.555 s2.576 s82 ms3.18 %
First Visual Change 1.433 s 1.333 s 1.467 s 1.400 s 1.467 s1.433 s1.420 s50 ms3.53 %
Last Visual Change 4.067 s 3.833 s 4.133 s 3.800 s 4.067 s4.067 s3.980 s136 ms3.42 %
Speed Index 1.761 s 1.657 s 1.802 s 1.711 s 1.799 s1.761 s1.746 s55 ms3.17 %
Visual Readiness 2.634 s 2.500 s 2.666 s 2.400 s 2.600 s2.600 s2.560 s97 ms3.81 %
Visual Complete 95 2.933 s 2.800 s 3.000 s 2.767 s 3.033 s2.933 s2.907 s106 ms3.65 %
Visual Complete 99 2.933 s 2.800 s 3.000 s 2.767 s 3.033 s2.933 s2.907 s106 ms3.65 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 77 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.52 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 66 67 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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.1 KB0.08 %
HTML Transfer Size 265.8 KB 265.8 KB 265.9 KB 265.9 KB 265.9 KB265.9 KB265.9 KB36 B0.01 %
JavaScript Transfer Size 311.6 KB 311.6 KB 312.0 KB 312.1 KB 312.0 KB312.0 KB311.8 KB214 B0.07 %
CSS Transfer Size 28.8 KB 28.8 KB 29.0 KB 29.0 KB 29.0 KB29.0 KB28.9 KB72 B0.24 %
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 2.1 KB 2.1 KB 2.1 KB2.1 KB2.0 KB36 B1.73 %
Plain Transfer Size 973 B 973 B 1.0 KB 1.0 KB 1.0 KB1.0 KB1017 B36 B3.55 %
SVG Transfer Size 89.2 KB 89.2 KB 90.5 KB 90.5 KB 90.5 KB90.5 KB90.0 KB650 B0.71 %
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 67 67 67 67676700.60 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.1 KB0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %