Metrics per run

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

Tested 2026-06-23 02:18:33 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 418 ms 419 ms 421 ms 418 ms418 ms419 ms1 ms0.28 %
Largest Contentful Paint 2.322 s 2.440 s 2.661 s 2.423 s 2.305 s2.423 s2.430 s127 ms5.23 %
Timing metrics
First Paint 1.385 s 1.377 s 1.453 s 1.368 s 1.348 s1.377 s1.386 s36 ms2.57 %
Largest Contentful Paint 2.322 s 2.440 s 2.661 s 2.423 s 2.305 s2.423 s2.430 s127 ms5.23 %
Load Event End 2.490 s 2.527 s 2.665 s 2.569 s 2.481 s2.527 s2.546 s67 ms2.63 %
Server Response Time 112 ms 112 ms 112 ms 113 ms 112 ms112 ms112 ms0 ms0.36 %
TTFB 418 ms 418 ms 419 ms 421 ms 418 ms418 ms419 ms1 ms0.28 %
Page Load Time 2.489 s 2.527 s 2.665 s 2.568 s 2.481 s2.527 s2.546 s67 ms2.63 %
First Visual Change 1.434 s 1.433 s 1.500 s 1.433 s 1.400 s1.433 s1.440 s33 ms2.27 %
Last Visual Change 3.967 s 4.033 s 4.000 s 4.033 s 3.933 s4.000 s3.993 s39 ms0.97 %
Speed Index 1.750 s 1.775 s 1.808 s 1.774 s 1.727 s1.774 s1.767 s27 ms1.54 %
Visual Readiness 2.533 s 2.600 s 2.500 s 2.600 s 2.533 s2.533 s2.553 s40 ms1.57 %
Visual Complete 95 2.900 s 3.000 s 2.933 s 3.000 s 2.933 s2.933 s2.953 s40 ms1.36 %
Visual Complete 99 2.900 s 3.000 s 2.967 s 3.000 s 2.933 s2.967 s2.960 s39 ms1.32 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 80 ms 77 ms 79 ms 77 ms79 ms79 ms1 ms1.73 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 66 66 66 67666600.74 %
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 MB918 B0.06 %
HTML Transfer Size 265.8 KB 265.8 KB 265.8 KB 265.9 KB 265.8 KB265.8 KB265.8 KB29 B0.01 %
JavaScript Transfer Size 311.3 KB 311.3 KB 311.2 KB 311.7 KB 311.2 KB311.3 KB311.3 KB198 B0.06 %
CSS Transfer Size 28.8 KB 28.8 KB 28.8 KB 29.0 KB 28.8 KB28.8 KB28.9 KB59 B0.20 %
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 2.0 KB 2.1 KB 2.0 KB2.0 KB2.0 KB29 B1.42 %
Plain Transfer Size 973 B 973 B 973 B 1.0 KB 973 B973 B988 B29 B2.96 %
SVG Transfer Size 89.2 KB 89.2 KB 89.2 KB 90.5 KB 89.2 KB89.2 KB89.4 KB525 B0.57 %
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 67666600.74 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB918 B0.06 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %