Metrics per run

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

Tested 2026-03-27 07:20:24 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 428 ms 424 ms 983 ms 408 ms 426 ms426 ms534 ms225 ms42.10 %
First Contentful Paint 1.215 s 1.249 s 1.676 s 1.222 s 1.219 s1.222 s1.316 s180 ms13.70 %
Largest Contentful Paint 2.190 s 2.214 s 2.983 s 2.302 s 2.201 s2.214 s2.378 s305 ms12.83 %
Timing metrics
First Paint 1.214 s 1.248 s 1.675 s 1.221 s 1.218 s1.221 s1.315 s180 ms13.71 %
First Contentful Paint 1.215 s 1.249 s 1.676 s 1.222 s 1.219 s1.222 s1.316 s180 ms13.70 %
Largest Contentful Paint 2.190 s 2.214 s 2.983 s 2.302 s 2.201 s2.214 s2.378 s305 ms12.83 %
Load Event End 2.251 s 2.578 s 2.770 s 2.473 s 2.263 s2.473 s2.467 s196 ms7.95 %
Server Response Time 104 ms 104 ms 661 ms 104 ms 105 ms104 ms216 ms223 ms103.29 %
TTFB 428 ms 424 ms 983 ms 408 ms 426 ms426 ms534 ms225 ms42.10 %
Page Load Time 2.251 s 2.578 s 2.770 s 2.473 s 2.262 s2.473 s2.467 s196 ms7.96 %
First Visual Change 1.266 s 1.300 s 1.700 s 1.300 s 1.266 s1.300 s1.366 s167 ms12.26 %
Last Visual Change 9.600 s 3.733 s 4.133 s 3.866 s 3.900 s3.900 s5.046 s2.280 s45.19 %
Speed Index 1.527 s 1.432 s 1.851 s 1.415 s 1.395 s1.432 s1.524 s170 ms11.13 %
Visual Readiness 8.334 s 2.433 s 2.433 s 2.566 s 2.634 s2.566 s3.680 s2.328 s63.27 %
Visual Complete 95 2.066 s 2.233 s 2.800 s 2.000 s 2.066 s2.066 s2.233 s294 ms13.16 %
Visual Complete 99 9.600 s 2.366 s 2.800 s 2.500 s 2.433 s2.500 s3.940 s2.834 s71.93 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 76 ms 76 ms 79 ms77 ms77 ms1 ms1.42 %
Page metrics
DOM elements 21565 21565 21565 21565 21565215652156500.00 %
Document height 47533 47533 47533 47533 47533475334753300.00 %
Total Requests 63 63 64 63 63636300.63 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB1.3 KB0.10 %
HTML Transfer Size 254.2 KB 254.2 KB 254.3 KB 254.2 KB 254.2 KB254.2 KB254.2 KB44 B0.02 %
JavaScript Transfer Size 307.9 KB 307.9 KB 308.3 KB 307.9 KB 307.9 KB307.9 KB308.0 KB179 B0.06 %
CSS Transfer Size 27.8 KB 27.8 KB 28.0 KB 27.8 KB 27.8 KB27.8 KB27.9 KB57 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 2.1 KB 2.0 KB 2.0 KB2.0 KB2.0 KB28 B1.34 %
Plain Transfer Size 973 B 973 B 2.0 KB 973 B 973 B973 B1.2 KB418 B35.36 %
SVG Transfer Size 80.4 KB 80.4 KB 81.7 KB 80.4 KB 80.4 KB80.4 KB80.7 KB524 B0.63 %
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 63 63 64 63 63636300.63 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB1.3 KB0.10 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %