Metrics per run

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

Tested 2025-08-29 11:34:56 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 485 ms 504 ms 504 ms 486 ms487 ms493 ms9 ms1.79 %
First Contentful Paint 1.300 s 1.288 s 1.296 s 1.304 s 1.284 s1.296 s1.294 s7 ms0.57 %
Largest Contentful Paint 1.300 s 1.288 s 1.296 s 1.304 s 1.284 s1.296 s1.294 s7 ms0.57 %
Total Blocking Time 219 ms 218 ms 196 ms 233 ms 248 ms219 ms223 ms17 ms7.76 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.300 s 1.288 s 1.296 s 1.304 s 1.284 s1.296 s1.294 s7 ms0.57 %
First Contentful Paint 1.300 s 1.288 s 1.296 s 1.304 s 1.284 s1.296 s1.294 s7 ms0.57 %
Largest Contentful Paint 1.300 s 1.288 s 1.296 s 1.304 s 1.284 s1.296 s1.294 s7 ms0.57 %
Load Event End 1.960 s 1.960 s 1.984 s 1.979 s 1.960 s1.960 s1.969 s11 ms0.54 %
Server Response Time 518 ms 517 ms 518 ms 519 ms 519 ms518 ms518 ms1 ms0.14 %
TTFB 487 ms 485 ms 504 ms 504 ms 486 ms487 ms493 ms9 ms1.79 %
Page Load Time 1.960 s 1.960 s 1.984 s 1.979 s 1.960 s1.960 s1.969 s11 ms0.54 %
First Visual Change 1.300 s 1.300 s 1.300 s 1.300 s 1.266 s1.300 s1.293 s14 ms1.05 %
Last Visual Change 2.633 s 2.633 s 2.666 s 2.633 s 2.633 s2.633 s2.640 s13 ms0.50 %
Speed Index 1.331 s 1.331 s 1.332 s 1.335 s 1.303 s1.331 s1.326 s12 ms0.89 %
Visual Readiness 1.333 s 1.333 s 1.366 s 1.333 s 1.367 s1.333 s1.346 s16 ms1.22 %
Visual Complete 95 1.333 s 1.333 s 1.333 s 1.366 s 1.333 s1.333 s1.340 s13 ms0.99 %
Visual Complete 99 2.533 s 2.533 s 2.566 s 2.533 s 2.566 s2.533 s2.546 s16 ms0.63 %
CPU metrics
Total Blocking Time 219 ms 218 ms 196 ms 233 ms 248 ms219 ms223 ms17 ms7.76 %
Max Potential FID 137 ms 148 ms 165 ms 133 ms 149 ms148 ms146 ms11 ms7.63 %
Number of Long Tasks 6 6 5 6 66606.90 %
Total Duration of Long Tasks 848 ms 841 ms 769 ms 856 ms 871 ms848 ms837 ms35 ms4.23 %
Browser metrics
CPU benchmark score 34 ms 33 ms 34 ms 36 ms 33 ms34 ms34 ms1 ms3.22 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20838 20838 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 MB4 B0.00 %
HTML Transfer Size 243.1 KB 243.1 KB 243.1 KB 243.1 KB 243.1 KB243.1 KB243.1 KB0 b0.00 %
JavaScript Transfer Size 367.3 KB 367.3 KB 367.3 KB 367.3 KB 367.3 KB367.3 KB367.3 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 526.8 KB 526.8 KB 526.8 KB 526.8 KB 526.8 KB526.8 KB526.8 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 MB4 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 %