Metrics per run

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

Tested 2026-06-03 07:00:05 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 414 ms 408 ms 405 ms 406 ms 407 ms407 ms408 ms3 ms0.78 %
Largest Contentful Paint 2.503 s 2.684 s 2.301 s 2.271 s 2.824 s2.503 s2.517 s214 ms8.51 %
Timing metrics
First Paint 1.396 s 1.421 s 1.421 s 1.342 s 1.405 s1.405 s1.397 s29 ms2.08 %
Largest Contentful Paint 2.503 s 2.684 s 2.301 s 2.271 s 2.824 s2.503 s2.517 s214 ms8.51 %
Load Event End 2.822 s 2.690 s 2.233 s 2.819 s 2.831 s2.819 s2.679 s229 ms8.55 %
Server Response Time 114 ms 107 ms 107 ms 107 ms 107 ms107 ms108 ms3 ms2.58 %
TTFB 414 ms 408 ms 405 ms 406 ms 407 ms407 ms408 ms3 ms0.78 %
Page Load Time 2.822 s 2.689 s 2.233 s 2.819 s 2.830 s2.819 s2.679 s229 ms8.54 %
First Visual Change 1.434 s 1.467 s 1.467 s 1.400 s 1.467 s1.467 s1.447 s27 ms1.85 %
Last Visual Change 4.267 s 4.433 s 4.333 s 4.333 s 4.333 s4.333 s4.340 s53 ms1.22 %
Speed Index 1.774 s 1.840 s 1.816 s 1.736 s 1.829 s1.816 s1.799 s39 ms2.15 %
Visual Readiness 2.833 s 2.966 s 2.866 s 2.933 s 2.866 s2.866 s2.893 s49 ms1.69 %
Visual Complete 95 3.200 s 3.333 s 3.233 s 3.233 s 3.333 s3.233 s3.266 s56 ms1.71 %
Visual Complete 99 3.200 s 3.333 s 3.233 s 3.267 s 3.333 s3.267 s3.273 s53 ms1.63 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 80 ms 80 ms 78 ms 81 ms80 ms79 ms1 ms1.51 %
Page metrics
DOM elements 22222 22222 22222 22226 22222222222222320.01 %
Document height 50613 50613 50613 50617 50613506135061420.00 %
Total Requests 66 66 66 64 65666511.22 %
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 1.5 MB 1.4 MB1.4 MB1.4 MB27.2 KB1.90 %
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 311.4 KB 311.4 KB 311.4 KB 312.3 KB 311.4 KB311.4 KB311.6 KB378 B0.12 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB0 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 86.2 KB 86.2 KB 86.2 KB 80.4 KB 86.2 KB86.2 KB85.1 KB2.3 KB2.75 %
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 66 66 66 64 65666511.22 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.5 MB 1.4 MB1.4 MB1.4 MB27.2 KB1.90 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %