Metrics per run

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

Tested 2025-08-30 20:48:04 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 486 ms 486 ms 485 ms 486 ms 505 ms486 ms490 ms8 ms1.57 %
First Contentful Paint 1.312 s 1.276 s 1.304 s 1.304 s 1.312 s1.304 s1.302 s13 ms1.02 %
Largest Contentful Paint 1.312 s 1.276 s 1.304 s 1.304 s 1.312 s1.304 s1.302 s13 ms1.02 %
Total Blocking Time 237 ms 248 ms 247 ms 228 ms 231 ms237 ms238 ms8 ms3.41 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.312 s 1.276 s 1.304 s 1.304 s 1.312 s1.304 s1.302 s13 ms1.02 %
First Contentful Paint 1.312 s 1.276 s 1.304 s 1.304 s 1.312 s1.304 s1.302 s13 ms1.02 %
Largest Contentful Paint 1.312 s 1.276 s 1.304 s 1.304 s 1.312 s1.304 s1.302 s13 ms1.02 %
Load Event End 2.014 s 2.016 s 2.013 s 2.016 s 2.031 s2.016 s2.018 s7 ms0.33 %
Server Response Time 518 ms 517 ms 518 ms 518 ms 519 ms518 ms518 ms1 ms0.12 %
TTFB 486 ms 486 ms 485 ms 486 ms 505 ms486 ms490 ms8 ms1.57 %
Page Load Time 2.014 s 2.016 s 2.013 s 2.016 s 2.031 s2.016 s2.018 s7 ms0.33 %
First Visual Change 1.300 s 1.266 s 1.300 s 1.300 s 1.300 s1.300 s1.293 s14 ms1.05 %
Last Visual Change 2.700 s 2.600 s 2.566 s 2.566 s 2.600 s2.600 s2.606 s49 ms1.89 %
Speed Index 1.337 s 1.302 s 1.330 s 1.335 s 1.331 s1.331 s1.327 s13 ms0.96 %
Visual Readiness 1.400 s 1.334 s 1.266 s 1.266 s 1.300 s1.300 s1.313 s50 ms3.82 %
Visual Complete 95 1.366 s 1.333 s 1.333 s 1.366 s 1.333 s1.333 s1.346 s16 ms1.20 %
Visual Complete 99 2.600 s 2.566 s 2.533 s 2.566 s 2.566 s2.566 s2.566 s21 ms0.83 %
CPU metrics
Total Blocking Time 237 ms 248 ms 247 ms 228 ms 231 ms237 ms238 ms8 ms3.41 %
Max Potential FID 142 ms 153 ms 143 ms 142 ms 136 ms142 ms143 ms5 ms3.84 %
Number of Long Tasks 6 5 5 5 65509.07 %
Total Duration of Long Tasks 891 ms 811 ms 836 ms 821 ms 867 ms836 ms845 ms30 ms3.51 %
Browser metrics
CPU benchmark score 33 ms 34 ms 33 ms 33 ms 34 ms33 ms33 ms0 ms1.47 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20837 20837 20837 20837208372083700.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB4 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 586.9 KB 586.9 KB 586.9 KB 586.9 KB 586.9 KB586.9 KB586.9 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 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 %