Metrics per run

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

Tested 2025-10-26 21:51:20 using Firefox 144.0 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 498 ms 503 ms 517 ms 516 ms 513 ms 499 ms 499 ms503 ms506 ms8 ms1.57 %
First Contentful Paint 914 ms 932 ms 931 ms 931 ms 931 ms 914 ms 915 ms931 ms924 ms8 ms0.91 %
Largest Contentful Paint 2.283 s 2.294 s 2.266 s 1.728 s 2.292 s 2.236 s 2.339 s2.283 s2.205 s197 ms8.93 %
Timing metrics
First Paint 1.211 s 1.233 s 1.238 s 1.232 s 1.226 s 1.220 s 1.208 s1.226 s1.224 s11 ms0.87 %
First Contentful Paint 914 ms 932 ms 931 ms 931 ms 931 ms 914 ms 915 ms931 ms924 ms8 ms0.91 %
Largest Contentful Paint 2.283 s 2.294 s 2.266 s 1.728 s 2.292 s 2.236 s 2.339 s2.283 s2.205 s197 ms8.93 %
Load Event End 2.377 s 2.456 s 2.508 s 2.358 s 2.427 s 2.414 s 2.393 s2.414 s2.419 s47 ms1.95 %
Server Response Time 195 ms 194 ms 195 ms 195 ms 195 ms 195 ms 194 ms195 ms195 ms0 ms0.23 %
TTFB 498 ms 503 ms 517 ms 516 ms 513 ms 499 ms 499 ms503 ms506 ms8 ms1.57 %
Page Load Time 2.376 s 2.456 s 2.507 s 2.358 s 2.426 s 2.414 s 2.393 s2.414 s2.419 s47 ms1.94 %
First Visual Change 1.300 s 1.267 s 1.300 s 1.300 s 1.300 s 1.300 s 1.266 s1.300 s1.290 s15 ms1.17 %
Last Visual Change 3.433 s 3.433 s 3.400 s 3.433 s 3.400 s 3.400 s 3.366 s3.400 s3.409 s23 ms0.69 %
Speed Index 1.418 s 1.390 s 1.426 s 1.355 s 1.426 s 1.425 s 1.411 s1.418 s1.407 s24 ms1.74 %
Visual Readiness 2.133 s 2.166 s 2.100 s 2.133 s 2.100 s 2.100 s 2.100 s2.100 s2.119 s24 ms1.13 %
Visual Complete 95 2.167 s 2.100 s 2.167 s 1.733 s 2.233 s 2.266 s 2.300 s2.167 s2.138 s177 ms8.27 %
Visual Complete 99 2.167 s 2.300 s 2.267 s 2.300 s 2.233 s 2.266 s 2.300 s2.267 s2.262 s45 ms1.99 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 77 ms 78 ms 78 ms 77 ms 78 ms77 ms77 ms1 ms0.91 %
Page metrics
DOM elements 21220 21220 21220 21220 21221 21221 21220212202122000.00 %
Document height 46626 46626 46626 46626 46626 46626 46626466264662600.00 %
Total Requests 63 63 63 63 63 63 63636300.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 7 7 77700.00 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB654 B0.05 %
HTML Transfer Size 248.8 KB 248.8 KB 248.8 KB 248.8 KB 248.8 KB 248.8 KB 248.8 KB248.8 KB248.8 KB0 b0.00 %
JavaScript Transfer Size 285.8 KB 285.8 KB 285.8 KB 285.8 KB 285.8 KB 285.8 KB 285.8 KB285.8 KB285.8 KB0 b0.00 %
CSS Transfer Size 27.2 KB 27.2 KB 27.2 KB 27.2 KB 27.2 KB 27.2 KB 27.2 KB27.2 KB27.2 KB0 b0.00 %
Font Transfer Size 0 b 0 b 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 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB 34.4 KB34.4 KB34.4 KB0 b0.00 %
Total Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 63 63 63 63 63 63 63636300.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB654 B0.05 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %