Metrics per run

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

Tested 2025-07-12 03:42:58 using Firefox 140.0.1 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 521 ms 512 ms 528 ms 573 ms 514 ms521 ms530 ms22 ms4.23 %
First Contentful Paint 1.100 s 965 ms 1.118 s 1.016 s 1.355 s1.100 s1.111 s134 ms12.08 %
Largest Contentful Paint 1.915 s 2.025 s 2.774 s 2.335 s 2.044 s2.044 s2.219 s311 ms14.00 %
Timing metrics
First Paint 1.472 s 1.350 s 1.499 s 1.387 s 1.369 s1.387 s1.415 s59 ms4.17 %
First Contentful Paint 1.100 s 965 ms 1.118 s 1.016 s 1.355 s1.100 s1.111 s134 ms12.08 %
Largest Contentful Paint 1.915 s 2.025 s 2.774 s 2.335 s 2.044 s2.044 s2.219 s311 ms14.00 %
Load Event End 2.054 s 3.257 s 3.028 s 2.950 s 2.960 s2.960 s2.850 s413 ms14.49 %
Server Response Time 195 ms 195 ms 207 ms 195 ms 195 ms195 ms197 ms5 ms2.43 %
TTFB 521 ms 512 ms 528 ms 573 ms 514 ms521 ms530 ms22 ms4.23 %
Page Load Time 2.054 s 3.257 s 3.028 s 2.950 s 2.960 s2.960 s2.850 s413 ms14.49 %
First Visual Change 1.500 s 1.400 s 1.566 s 1.433 s 1.433 s1.433 s1.466 s59 ms4.06 %
Last Visual Change 4.233 s 4.400 s 4.533 s 4.433 s 4.466 s4.433 s4.413 s100 ms2.27 %
Speed Index 1.579 s 1.508 s 1.698 s 1.544 s 1.538 s1.544 s1.573 s66 ms4.21 %
Visual Readiness 2.733 s 3.000 s 2.967 s 3.000 s 3.033 s3.000 s2.947 s109 ms3.69 %
Visual Complete 95 1.900 s 2.000 s 2.500 s 2.066 s 2.000 s2.000 s2.093 s210 ms10.04 %
Visual Complete 99 3.067 s 2.933 s 3.066 s 2.966 s 2.966 s2.966 s3.000 s56 ms1.86 %
CPU metrics
Browser metrics
CPU benchmark score 54 ms 52 ms 53 ms 52 ms 52 ms52 ms53 ms1 ms1.52 %
Page metrics
DOM elements 22623 22623 22623 22623 22623226232262300.00 %
Document height 51244 51244 51244 51244 51244512445124400.00 %
Total Requests 61 61 61 61 61616100.00 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB2 B0.00 %
HTML Transfer Size 265.2 KB 265.2 KB 265.2 KB 265.2 KB 265.2 KB265.2 KB265.2 KB0 b0.00 %
JavaScript Transfer Size 281.9 KB 281.9 KB 281.9 KB 281.9 KB 281.9 KB281.9 KB281.9 KB2 B0.00 %
CSS Transfer Size 27.0 KB 27.0 KB 27.0 KB 27.0 KB 27.0 KB27.0 KB27.0 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 KB1 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 61 61 61 61 61616100.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB2 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %