Metrics per run

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

Tested 2025-08-27 17:28:25 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 505 ms 486 ms 488 ms 487 ms 505 ms488 ms494 ms9 ms1.79 %
First Contentful Paint 1.332 s 1.296 s 1.284 s 1.320 s 1.312 s1.312 s1.309 s17 ms1.30 %
Largest Contentful Paint 1.332 s 1.296 s 1.284 s 1.320 s 1.312 s1.312 s1.309 s17 ms1.30 %
Total Blocking Time 259 ms 240 ms 249 ms 227 ms 234 ms240 ms242 ms11 ms4.65 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.332 s 1.296 s 1.284 s 1.320 s 1.312 s1.312 s1.309 s17 ms1.30 %
First Contentful Paint 1.332 s 1.296 s 1.284 s 1.320 s 1.312 s1.312 s1.309 s17 ms1.30 %
Largest Contentful Paint 1.332 s 1.296 s 1.284 s 1.320 s 1.312 s1.312 s1.309 s17 ms1.30 %
Load Event End 1.978 s 1.957 s 1.960 s 1.950 s 1.969 s1.960 s1.963 s10 ms0.50 %
Server Response Time 519 ms 519 ms 519 ms 519 ms 518 ms519 ms519 ms0 ms0.08 %
TTFB 505 ms 486 ms 488 ms 487 ms 505 ms488 ms494 ms9 ms1.79 %
Page Load Time 1.978 s 1.957 s 1.960 s 1.950 s 1.969 s1.960 s1.963 s10 ms0.50 %
First Visual Change 1.333 s 1.300 s 1.300 s 1.333 s 1.300 s1.300 s1.313 s16 ms1.23 %
Last Visual Change 2.566 s 2.666 s 2.666 s 2.633 s 2.633 s2.633 s2.633 s37 ms1.39 %
Speed Index 1.368 s 1.331 s 1.332 s 1.363 s 1.335 s1.335 s1.346 s16 ms1.20 %
Visual Readiness 1.233 s 1.366 s 1.366 s 1.300 s 1.333 s1.333 s1.320 s50 ms3.77 %
Visual Complete 95 1.400 s 1.333 s 1.333 s 1.366 s 1.366 s1.366 s1.360 s25 ms1.84 %
Visual Complete 99 2.566 s 2.566 s 2.566 s 2.533 s 2.533 s2.566 s2.553 s16 ms0.63 %
CPU metrics
Total Blocking Time 259 ms 240 ms 249 ms 227 ms 234 ms240 ms242 ms11 ms4.65 %
Max Potential FID 142 ms 154 ms 149 ms 141 ms 139 ms142 ms145 ms6 ms3.88 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 909 ms 872 ms 873 ms 876 ms 871 ms873 ms880 ms14 ms1.65 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 34 ms 33 ms33 ms33 ms0 ms1.20 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20856 20857 20857 20857 20857208572085700.00 %
Document height 41393 41393 41393 41393 41393413934139300.00 %
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 MB5 B0.00 %
HTML Transfer Size 243.5 KB 243.5 KB 243.5 KB 243.5 KB 243.5 KB243.5 KB243.5 KB0 b0.00 %
JavaScript Transfer Size 369.5 KB 369.5 KB 369.5 KB 369.5 KB 369.5 KB369.5 KB369.5 KB0 b0.00 %
CSS Transfer Size 26.8 KB 26.8 KB 26.8 KB 26.8 KB 26.8 KB26.8 KB26.8 KB0 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 28.8 KB 28.8 KB 28.8 KB 28.8 KB 28.8 KB28.8 KB28.8 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 190.3 KB 190.3 KB 190.3 KB 190.3 KB 190.3 KB190.3 KB190.3 KB0 b0.00 %
Image Content Size 522.1 KB 522.1 KB 522.1 KB 522.1 KB 522.1 KB522.1 KB522.1 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 MB5 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 %