Metrics per run

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

Tested 2026-06-03 14:04:34 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 410 ms 410 ms 408 ms 405 ms 407 ms408 ms408 ms2 ms0.47 %
Largest Contentful Paint 2.440 s 2.245 s 2.243 s 2.516 s 2.448 s2.440 s2.378 s113 ms4.75 %
Timing metrics
First Paint 1.427 s 1.415 s 1.409 s 1.424 s 1.413 s1.415 s1.418 s7 ms0.48 %
Largest Contentful Paint 2.440 s 2.245 s 2.243 s 2.516 s 2.448 s2.440 s2.378 s113 ms4.75 %
Load Event End 2.698 s 2.180 s 2.180 s 2.796 s 2.710 s2.698 s2.513 s274 ms10.90 %
Server Response Time 107 ms 108 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 410 ms 410 ms 408 ms 405 ms 407 ms408 ms408 ms2 ms0.47 %
Page Load Time 2.698 s 2.180 s 2.180 s 2.795 s 2.710 s2.698 s2.513 s274 ms10.89 %
First Visual Change 1.500 s 1.467 s 1.467 s 1.467 s 1.467 s1.467 s1.474 s13 ms0.90 %
Last Visual Change 4.300 s 4.233 s 4.333 s 4.300 s 4.400 s4.300 s4.313 s54 ms1.26 %
Speed Index 1.815 s 1.808 s 1.820 s 1.794 s 1.813 s1.813 s1.810 s9 ms0.49 %
Visual Readiness 2.800 s 2.766 s 2.866 s 2.833 s 2.933 s2.833 s2.840 s57 ms2.02 %
Visual Complete 95 3.133 s 3.200 s 3.333 s 3.200 s 3.267 s3.200 s3.227 s68 ms2.11 %
Visual Complete 99 3.200 s 3.200 s 3.333 s 3.267 s 3.333 s3.267 s3.267 s59 ms1.82 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 82 ms 79 ms 80 ms 77 ms79 ms79 ms2 ms2.40 %
Page metrics
DOM elements 22226 22222 22222 22226 22226222262222420.01 %
Document height 50617 50613 50613 50617 50617506175061520.00 %
Total Requests 64 66 65 64 64646511.24 %
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 1.3 MB 1.3 MB 1.4 MB 1.4 MB1.4 MB1.4 MB33.2 KB2.33 %
HTML Transfer Size 264.6 KB 264.6 KB 264.6 KB 264.6 KB 264.6 KB264.6 KB264.6 KB0 b0.00 %
JavaScript Transfer Size 312.3 KB 311.4 KB 311.4 KB 312.3 KB 312.3 KB312.3 KB311.9 KB462 B0.14 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB1 B0.00 %
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 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 80.4 KB 86.2 KB 86.2 KB 80.4 KB 80.4 KB80.4 KB82.7 KB2.9 KB3.47 %
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 %
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 64 66 65 64 64646511.24 %
First Party Total Transfer Size 1.4 MB 1.3 MB 1.3 MB 1.4 MB 1.4 MB1.4 MB1.4 MB33.2 KB2.33 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %