Metrics per run

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

Tested 2026-06-20 17:16:42 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 419 ms 419 ms 422 ms 420 ms 418 ms419 ms420 ms1 ms0.32 %
Largest Contentful Paint 2.440 s 2.475 s 2.356 s 2.322 s 2.321 s2.356 s2.383 s63 ms2.65 %
Timing metrics
First Paint 1.455 s 1.441 s 1.414 s 1.479 s 1.402 s1.441 s1.438 s28 ms1.93 %
Largest Contentful Paint 2.440 s 2.475 s 2.356 s 2.322 s 2.321 s2.356 s2.383 s63 ms2.65 %
Load Event End 2.615 s 2.691 s 2.624 s 2.674 s 2.496 s2.624 s2.620 s68 ms2.61 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 419 ms 419 ms 422 ms 420 ms 418 ms419 ms420 ms1 ms0.32 %
Page Load Time 2.614 s 2.690 s 2.624 s 2.674 s 2.495 s2.624 s2.619 s69 ms2.62 %
First Visual Change 1.500 s 1.500 s 1.467 s 1.500 s 1.433 s1.500 s1.480 s27 ms1.81 %
Last Visual Change 4.000 s 4.067 s 4.067 s 4.333 s 3.900 s4.067 s4.073 s143 ms3.52 %
Speed Index 1.828 s 1.829 s 1.791 s 1.832 s 1.748 s1.828 s1.806 s32 ms1.80 %
Visual Readiness 2.500 s 2.567 s 2.600 s 2.833 s 2.467 s2.567 s2.593 s129 ms4.96 %
Visual Complete 95 3.000 s 3.067 s 3.000 s 3.100 s 2.900 s3.000 s3.013 s69 ms2.28 %
Visual Complete 99 3.000 s 3.067 s 3.000 s 3.100 s 2.900 s3.000 s3.013 s69 ms2.28 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 79 ms 79 ms 80 ms 80 ms79 ms79 ms1 ms1.39 %
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 1.4 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 265.9 KB 265.8 KB 265.9 KB 265.8 KB265.8 KB265.9 KB36 B0.01 %
JavaScript Transfer Size 311.4 KB 311.8 KB 311.4 KB 311.8 KB 311.5 KB311.5 KB311.6 KB202 B0.06 %
CSS Transfer Size 28.8 KB 29.0 KB 28.8 KB 29.0 KB 28.8 KB28.8 KB28.9 KB71 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 2.1 KB 2.0 KB 2.1 KB 2.0 KB2.0 KB2.0 KB36 B1.73 %
Plain Transfer Size 973 B 1.0 KB 973 B 1.0 KB 973 B973 B1002 B36 B3.57 %
SVG Transfer Size 89.2 KB 90.4 KB 89.2 KB 90.4 KB 89.2 KB89.2 KB89.7 KB644 B0.70 %
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 1.4 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 %