Metrics per run

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

Tested 2025-08-31 15:24:18 using Firefox 142.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 575 ms 632 ms 576 ms 630 ms 631 ms630 ms609 ms27 ms4.47 %
First Contentful Paint 1.186 s 1.203 s 1.169 s 1.304 s 1.236 s1.203 s1.220 s48 ms3.91 %
Largest Contentful Paint 2.720 s 2.760 s 2.526 s 3.163 s 2.017 s2.720 s2.637 s373 ms14.14 %
Timing metrics
First Paint 1.453 s 1.482 s 1.450 s 1.584 s 1.504 s1.482 s1.495 s49 ms3.27 %
First Contentful Paint 1.186 s 1.203 s 1.169 s 1.304 s 1.236 s1.203 s1.220 s48 ms3.91 %
Largest Contentful Paint 2.720 s 2.760 s 2.526 s 3.163 s 2.017 s2.720 s2.637 s373 ms14.14 %
Load Event End 3.280 s 2.933 s 3.007 s 3.377 s 3.219 s3.219 s3.163 s167 ms5.29 %
Server Response Time 238 ms 239 ms 233 ms 195 ms 240 ms238 ms229 ms17 ms7.50 %
TTFB 575 ms 632 ms 576 ms 630 ms 631 ms630 ms609 ms27 ms4.47 %
Page Load Time 3.279 s 2.933 s 3.007 s 3.377 s 3.218 s3.218 s3.163 s167 ms5.28 %
First Visual Change 1.500 s 1.533 s 1.500 s 1.633 s 1.567 s1.533 s1.547 s50 ms3.22 %
Last Visual Change 4.167 s 4.100 s 3.900 s 4.267 s 4.200 s4.167 s4.127 s126 ms3.04 %
Speed Index 1.637 s 1.674 s 1.644 s 1.815 s 1.624 s1.644 s1.679 s70 ms4.17 %
Visual Readiness 2.667 s 2.567 s 2.400 s 2.634 s 2.633 s2.633 s2.580 s96 ms3.71 %
Visual Complete 95 2.533 s 2.466 s 2.500 s 2.933 s 1.867 s2.500 s2.460 s341 ms13.87 %
Visual Complete 99 2.833 s 2.800 s 2.933 s 3.167 s 3.033 s2.933 s2.953 s134 ms4.55 %
CPU metrics
Browser metrics
CPU benchmark score 53 ms 54 ms 53 ms 53 ms 51 ms53 ms53 ms1 ms1.86 %
Page metrics
DOM elements 20836 20836 20836 20836 20836208362083600.00 %
Document height 45815 45815 45815 45815 45815458154581500.00 %
Total Requests 64 64 64 64 64646400.00 %
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 MB2.1 KB0.17 %
HTML Transfer Size 243.3 KB 243.3 KB 243.3 KB 243.3 KB 243.3 KB243.3 KB243.3 KB0 b0.00 %
JavaScript Transfer Size 370.2 KB 370.2 KB 370.2 KB 370.2 KB 370.2 KB370.2 KB370.2 KB0 b0.00 %
CSS Transfer Size 27.3 KB 27.3 KB 27.3 KB 27.3 KB 27.3 KB27.3 KB27.3 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 32.9 KB 32.9 KB 32.9 KB 32.9 KB 32.9 KB32.9 KB32.9 KB0 b0.00 %
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 64 64 64 64646400.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2.1 KB0.17 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %