Metrics per run

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

Tested 2026-06-22 07:15:30 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 415 ms 425 ms 416 ms 418 ms416 ms418 ms4 ms0.87 %
Largest Contentful Paint 2.441 s 2.540 s 2.476 s 2.475 s 2.496 s2.476 s2.486 s32 ms1.31 %
Timing metrics
First Paint 1.450 s 1.387 s 1.362 s 1.410 s 1.373 s1.387 s1.396 s31 ms2.24 %
Largest Contentful Paint 2.441 s 2.540 s 2.476 s 2.475 s 2.496 s2.476 s2.486 s32 ms1.31 %
Load Event End 2.739 s 2.547 s 2.479 s 2.688 s 2.723 s2.688 s2.635 s103 ms3.92 %
Server Response Time 112 ms 112 ms 119 ms 112 ms 112 ms112 ms113 ms3 ms2.47 %
TTFB 416 ms 415 ms 425 ms 416 ms 418 ms416 ms418 ms4 ms0.87 %
Page Load Time 2.739 s 2.547 s 2.479 s 2.687 s 2.723 s2.687 s2.635 s103 ms3.92 %
First Visual Change 1.500 s 1.433 s 1.400 s 1.467 s 1.433 s1.433 s1.447 s34 ms2.36 %
Last Visual Change 4.133 s 3.867 s 3.933 s 4.000 s 4.133 s4.000 s4.013 s106 ms2.65 %
Speed Index 1.825 s 1.764 s 1.722 s 1.802 s 1.771 s1.771 s1.777 s35 ms1.98 %
Visual Readiness 2.633 s 2.434 s 2.533 s 2.533 s 2.700 s2.533 s2.567 s92 ms3.57 %
Visual Complete 95 3.067 s 2.833 s 2.900 s 2.967 s 3.100 s2.967 s2.973 s100 ms3.36 %
Visual Complete 99 3.067 s 2.833 s 2.900 s 2.967 s 3.100 s2.967 s2.973 s100 ms3.36 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 78 ms 77 ms 79 ms 85 ms78 ms79 ms3 ms3.62 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 66 66 66 66666600.60 %
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 265.9 KB 265.8 KB 265.9 KB 265.9 KB 265.8 KB265.9 KB265.9 KB36 B0.01 %
JavaScript Transfer Size 311.9 KB 311.5 KB 312.0 KB 311.9 KB 311.5 KB311.9 KB311.8 KB236 B0.07 %
CSS Transfer Size 29.0 KB 28.8 KB 29.0 KB 29.0 KB 28.8 KB29.0 KB28.9 KB73 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.0 KB 2.1 KB 2.1 KB 2.0 KB2.1 KB2.0 KB36 B1.75 %
Plain Transfer Size 1.0 KB 973 B 1.0 KB 1.0 KB 973 B1.0 KB1018 B36 B3.58 %
SVG Transfer Size 90.5 KB 89.2 KB 90.5 KB 90.5 KB 89.2 KB90.5 KB90.0 KB655 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 67 66 66 66 66666600.60 %
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 %