Metrics per run

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

Tested 2025-08-30 11:42:42 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 504 ms 487 ms 487 ms 502 ms502 ms497 ms8 ms1.69 %
First Contentful Paint 1.328 s 1.296 s 1.280 s 1.264 s 1.304 s1.296 s1.294 s22 ms1.68 %
Largest Contentful Paint 1.328 s 1.296 s 1.280 s 1.264 s 1.304 s1.296 s1.294 s22 ms1.68 %
Total Blocking Time 233 ms 249 ms 227 ms 229 ms 218 ms229 ms231 ms10 ms4.40 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.328 s 1.296 s 1.280 s 1.264 s 1.304 s1.296 s1.294 s22 ms1.68 %
First Contentful Paint 1.328 s 1.296 s 1.280 s 1.264 s 1.304 s1.296 s1.294 s22 ms1.68 %
Largest Contentful Paint 1.328 s 1.296 s 1.280 s 1.264 s 1.304 s1.296 s1.294 s22 ms1.68 %
Load Event End 1.966 s 2.005 s 1.989 s 2.033 s 2.705 s2.005 s2.140 s284 ms13.25 %
Server Response Time 519 ms 519 ms 518 ms 519 ms 517 ms519 ms518 ms1 ms0.15 %
TTFB 506 ms 504 ms 487 ms 487 ms 502 ms502 ms497 ms8 ms1.69 %
Page Load Time 1.966 s 2.005 s 1.988 s 2.033 s 2.704 s2.005 s2.139 s283 ms13.24 %
First Visual Change 1.333 s 1.300 s 1.266 s 1.266 s 1.300 s1.300 s1.293 s25 ms1.94 %
Last Visual Change 2.666 s 2.700 s 2.566 s 2.700 s 2.633 s2.666 s2.653 s50 ms1.89 %
Speed Index 1.369 s 1.337 s 1.300 s 1.301 s 1.338 s1.337 s1.329 s26 ms1.95 %
Visual Readiness 1.333 s 1.400 s 1.300 s 1.434 s 1.333 s1.333 s1.360 s49 ms3.62 %
Visual Complete 95 1.400 s 1.366 s 1.366 s 1.333 s 1.400 s1.366 s1.373 s25 ms1.83 %
Visual Complete 99 2.566 s 2.600 s 2.566 s 2.600 s 2.533 s2.566 s2.573 s25 ms0.98 %
CPU metrics
Total Blocking Time 233 ms 249 ms 227 ms 229 ms 218 ms229 ms231 ms10 ms4.40 %
Max Potential FID 147 ms 155 ms 140 ms 148 ms 135 ms147 ms145 ms7 ms4.76 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 881 ms 879 ms 854 ms 851 ms 861 ms861 ms865 ms13 ms1.45 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 33 ms33 ms33 ms0 ms0.00 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20838 20837 20838 20838208382083800.00 %
Document height 41368 41368 41368 41368 41368413684136800.00 %
Total Requests 63 63 63 63 63636300.00 %
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 MB10 B0.00 %
HTML Transfer Size 243.2 KB 243.2 KB 243.2 KB 243.2 KB 243.2 KB243.2 KB243.2 KB0 b0.00 %
JavaScript Transfer Size 369.3 KB 369.3 KB 369.3 KB 369.3 KB 369.3 KB369.3 KB369.3 KB0 b0.00 %
CSS Transfer Size 26.9 KB 26.9 KB 26.9 KB 26.9 KB 26.9 KB26.9 KB26.9 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
SVG Transfer Size 28.6 KB 28.6 KB 28.6 KB 28.6 KB 28.6 KB28.6 KB28.6 KB0 b0.00 %
Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB0 b0.00 %
HTML Content Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 190.9 KB 190.9 KB 190.9 KB 190.9 KB 190.9 KB190.9 KB190.9 KB0 b0.00 %
Image Content Size 518.2 KB 518.2 KB 518.2 KB 518.2 KB 518.2 KB518.2 KB518.2 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 23.7 KB 23.7 KB 23.7 KB 23.7 KB 23.7 KB23.7 KB23.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 63 63 63 63 63636300.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB10 B0.00 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB0 b0.00 %