Metrics per run

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

Tested 2025-08-31 09:18:41 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 585 ms 659 ms 499 ms 663 ms 702 ms659 ms622 ms72 ms11.59 %
First Contentful Paint 1.202 s 1.118 s 931 ms 1.270 s 1.168 s1.168 s1.138 s115 ms10.07 %
Largest Contentful Paint 2.886 s 2.033 s 2.628 s 2.628 s 2.776 s2.628 s2.590 s295 ms11.39 %
Timing metrics
First Paint 1.483 s 1.384 s 1.220 s 1.545 s 1.429 s1.429 s1.412 s110 ms7.80 %
First Contentful Paint 1.202 s 1.118 s 931 ms 1.270 s 1.168 s1.168 s1.138 s115 ms10.07 %
Largest Contentful Paint 2.886 s 2.033 s 2.628 s 2.628 s 2.776 s2.628 s2.590 s295 ms11.39 %
Load Event End 3.155 s 3.226 s 2.834 s 3.166 s 3.311 s3.166 s3.138 s162 ms5.16 %
Server Response Time 193 ms 264 ms 194 ms 241 ms 288 ms241 ms236 ms38 ms16.00 %
TTFB 585 ms 659 ms 499 ms 663 ms 702 ms659 ms622 ms72 ms11.59 %
Page Load Time 3.155 s 3.225 s 2.833 s 3.165 s 3.311 s3.165 s3.138 s162 ms5.17 %
First Visual Change 1.533 s 1.433 s 1.267 s 1.600 s 1.467 s1.467 s1.460 s112 ms7.69 %
Last Visual Change 4.200 s 4.100 s 3.767 s 4.333 s 3.933 s4.100 s4.067 s199 ms4.89 %
Speed Index 1.718 s 1.501 s 1.453 s 1.748 s 1.566 s1.566 s1.597 s117 ms7.32 %
Visual Readiness 2.667 s 2.667 s 2.500 s 2.733 s 2.466 s2.667 s2.607 s104 ms4.00 %
Visual Complete 95 2.833 s 1.933 s 2.600 s 2.600 s 2.133 s2.600 s2.420 s333 ms13.77 %
Visual Complete 99 3.067 s 2.766 s 2.733 s 3.000 s 2.900 s2.900 s2.893 s129 ms4.47 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 52 ms 52 ms 51 ms52 ms52 ms0 ms0.77 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB0 b0.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB0 b0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %