Metrics per run

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

Tested 2026-06-23 13:44:53 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 414 ms 418 ms 421 ms 424 ms 419 ms419 ms419 ms3 ms0.79 %
Largest Contentful Paint 2.305 s 2.376 s 1.780 s 2.357 s 2.288 s2.305 s2.221 s223 ms10.04 %
Timing metrics
First Paint 1.422 s 1.418 s 1.385 s 1.364 s 1.419 s1.418 s1.402 s23 ms1.65 %
Largest Contentful Paint 2.305 s 2.376 s 1.780 s 2.357 s 2.288 s2.305 s2.221 s223 ms10.04 %
Load Event End 2.659 s 2.587 s 2.510 s 2.509 s 2.691 s2.587 s2.591 s75 ms2.88 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 414 ms 418 ms 421 ms 424 ms 419 ms419 ms419 ms3 ms0.79 %
Page Load Time 2.659 s 2.587 s 2.510 s 2.509 s 2.691 s2.587 s2.591 s75 ms2.88 %
First Visual Change 1.467 s 1.467 s 1.433 s 1.433 s 1.467 s1.467 s1.453 s17 ms1.15 %
Last Visual Change 4.167 s 3.967 s 4.033 s 3.967 s 4.334 s4.033 s4.094 s141 ms3.44 %
Speed Index 1.800 s 1.787 s 1.684 s 1.760 s 1.802 s1.787 s1.767 s44 ms2.49 %
Visual Readiness 2.700 s 2.500 s 2.600 s 2.534 s 2.867 s2.600 s2.640 s132 ms5.01 %
Visual Complete 95 3.100 s 2.967 s 3.000 s 2.933 s 3.100 s3.000 s3.020 s69 ms2.27 %
Visual Complete 99 3.100 s 2.967 s 3.000 s 2.933 s 3.100 s3.000 s3.020 s69 ms2.27 %
CPU metrics
Browser metrics
CPU benchmark score 81 ms 78 ms 79 ms 79 ms 77 ms79 ms79 ms1 ms1.68 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 67 66 66 67676700.74 %
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 MB886 B0.06 %
HTML Transfer Size 265.9 KB 265.9 KB 265.9 KB 265.8 KB 265.9 KB265.9 KB265.9 KB30 B0.01 %
JavaScript Transfer Size 311.6 KB 311.6 KB 311.7 KB 311.3 KB 311.6 KB311.6 KB311.6 KB155 B0.05 %
CSS Transfer Size 29.0 KB 29.0 KB 29.0 KB 28.8 KB 29.0 KB29.0 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 2.1 KB 2.1 KB 2.1 KB 2.0 KB 2.1 KB2.1 KB2.1 KB30 B1.41 %
Plain Transfer Size 1.0 KB 1.0 KB 1.0 KB 973 B 1.0 KB1.0 KB1.0 KB30 B2.87 %
SVG Transfer Size 90.6 KB 90.6 KB 90.6 KB 89.3 KB 90.6 KB90.6 KB90.3 KB533 B0.58 %
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 66 66 67676700.74 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB886 B0.06 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %