Metrics per run

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

Tested 2026-06-01 12:36:59 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 408 ms 406 ms 406 ms 408 ms 410 ms408 ms408 ms1 ms0.37 %
Largest Contentful Paint 2.482 s 2.288 s 2.305 s 2.272 s 2.288 s2.288 s2.327 s78 ms3.36 %
Timing metrics
First Paint 1.302 s 1.288 s 1.317 s 1.296 s 1.315 s1.302 s1.304 s11 ms0.85 %
Largest Contentful Paint 2.482 s 2.288 s 2.305 s 2.272 s 2.288 s2.288 s2.327 s78 ms3.36 %
Load Event End 2.358 s 2.564 s 2.572 s 2.511 s 2.573 s2.564 s2.516 s82 ms3.26 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 408 ms 406 ms 406 ms 408 ms 410 ms408 ms408 ms1 ms0.37 %
Page Load Time 2.357 s 2.564 s 2.572 s 2.510 s 2.572 s2.564 s2.515 s82 ms3.27 %
First Visual Change 1.367 s 1.367 s 1.367 s 1.367 s 1.367 s1.367 s1.367 s0 ms0.00 %
Last Visual Change 3.633 s 3.833 s 3.833 s 3.767 s 3.734 s3.767 s3.760 s74 ms1.97 %
Speed Index 1.619 s 1.669 s 1.633 s 1.661 s 1.636 s1.636 s1.644 s19 ms1.13 %
Visual Readiness 2.266 s 2.466 s 2.466 s 2.400 s 2.367 s2.400 s2.393 s74 ms3.10 %
Visual Complete 95 2.500 s 2.800 s 2.667 s 2.733 s 2.667 s2.667 s2.673 s100 ms3.73 %
Visual Complete 99 2.567 s 2.800 s 2.700 s 2.733 s 2.734 s2.733 s2.707 s77 ms2.85 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 78 ms 78 ms 77 ms 78 ms78 ms78 ms1 ms0.81 %
Page metrics
DOM elements 22203 22199 22203 22199 22203222032220120.01 %
Document height 50540 50535 50540 50535 50540505405053820.00 %
Total Requests 64 65 64 65 64646400.76 %
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 1.5 MB 1.4 MB 1.5 MB 1.4 MB 1.5 MB1.5 MB1.4 MB33.2 KB2.26 %
HTML Transfer Size 264.2 KB 264.2 KB 264.2 KB 264.2 KB 264.2 KB264.2 KB264.2 KB0 b0.00 %
JavaScript Transfer Size 312.3 KB 311.3 KB 312.2 KB 311.3 KB 312.2 KB312.2 KB311.9 KB471 B0.15 %
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 80.2 KB 86.1 KB 80.2 KB 86.1 KB 80.2 KB80.2 KB82.6 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 65 64 65 64646400.76 %
First Party Total Transfer Size 1.5 MB 1.4 MB 1.5 MB 1.4 MB 1.5 MB1.5 MB1.4 MB33.2 KB2.26 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %