Metrics per run

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

Tested 2025-08-25 11:14:42 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 505 ms 486 ms 487 ms 486 ms 487 ms487 ms490 ms7 ms1.51 %
First Contentful Paint 1.328 s 1.284 s 1.280 s 1.276 s 1.296 s1.284 s1.293 s19 ms1.46 %
Largest Contentful Paint 1.328 s 1.284 s 1.280 s 1.276 s 1.296 s1.284 s1.293 s19 ms1.46 %
Total Blocking Time 252 ms 237 ms 246 ms 235 ms 253 ms246 ms245 ms7 ms3.04 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.328 s 1.284 s 1.280 s 1.276 s 1.296 s1.284 s1.293 s19 ms1.46 %
First Contentful Paint 1.328 s 1.284 s 1.280 s 1.276 s 1.296 s1.284 s1.293 s19 ms1.46 %
Largest Contentful Paint 1.328 s 1.284 s 1.280 s 1.276 s 1.296 s1.284 s1.293 s19 ms1.46 %
Load Event End 2.116 s 2.921 s 2.782 s 2.791 s 2.098 s2.782 s2.542 s358 ms14.10 %
Server Response Time 519 ms 519 ms 518 ms 519 ms 519 ms519 ms519 ms0 ms0.08 %
TTFB 505 ms 486 ms 487 ms 486 ms 487 ms487 ms490 ms7 ms1.51 %
Page Load Time 2.116 s 2.921 s 2.781 s 2.790 s 2.098 s2.781 s2.541 s358 ms14.09 %
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 2.800 s 2.733 s 2.700 s 2.700 s 2.700 s2.700 s2.727 s39 ms1.43 %
Speed Index 1.367 s 1.335 s 1.304 s 1.306 s 1.333 s1.333 s1.329 s23 ms1.73 %
Visual Readiness 1.467 s 1.433 s 1.434 s 1.434 s 1.400 s1.434 s1.434 s21 ms1.48 %
Visual Complete 95 1.366 s 1.366 s 1.333 s 1.366 s 1.333 s1.366 s1.353 s16 ms1.20 %
Visual Complete 99 2.733 s 2.633 s 2.633 s 2.600 s 2.666 s2.633 s2.653 s45 ms1.70 %
CPU metrics
Total Blocking Time 252 ms 237 ms 246 ms 235 ms 253 ms246 ms245 ms7 ms3.04 %
Max Potential FID 160 ms 143 ms 157 ms 144 ms 160 ms157 ms153 ms8 ms5.03 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 891 ms 872 ms 878 ms 867 ms 886 ms878 ms879 ms9 ms1.00 %
Browser metrics
CPU benchmark score 33 ms 33 ms 34 ms 37 ms 36 ms34 ms35 ms2 ms4.70 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20888 20888 20888 20888 20887208882088800.00 %
Document height 41525 41525 41525 41525 41525415254152500.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1 B0.00 %
HTML Transfer Size 243.6 KB 243.6 KB 243.6 KB 243.6 KB 243.6 KB243.6 KB243.6 KB0 b0.00 %
JavaScript Transfer Size 369.2 KB 369.2 KB 369.2 KB 369.2 KB 369.2 KB369.2 KB369.2 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 28.6 KB 28.6 KB 28.6 KB 28.6 KB 28.6 KB28.6 KB28.6 KB0 b0.00 %
Total Content Size 3.9 MB 3.9 MB 3.9 MB 3.9 MB 3.9 MB3.9 MB3.9 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 674.3 KB 674.3 KB 674.3 KB 674.3 KB 674.3 KB674.3 KB674.3 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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1 B0.00 %
First Party Total Content Size 3.9 MB 3.9 MB 3.9 MB 3.9 MB 3.9 MB3.9 MB3.9 MB0 b0.00 %