Metrics per run

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

Tested 2025-08-31 14:58:41 using Chrome 139.0.7258.127 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 577 ms 503 ms 487 ms 485 ms 486 ms487 ms508 ms35 ms6.96 %
First Contentful Paint 1.380 s 1.296 s 1.288 s 1.296 s 1.276 s1.296 s1.307 s37 ms2.84 %
Largest Contentful Paint 1.380 s 1.296 s 1.288 s 1.296 s 1.276 s1.296 s1.307 s37 ms2.84 %
Total Blocking Time 272 ms 267 ms 253 ms 253 ms 261 ms261 ms261 ms8 ms2.89 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.380 s 1.296 s 1.288 s 1.296 s 1.276 s1.296 s1.307 s37 ms2.84 %
First Contentful Paint 1.380 s 1.296 s 1.288 s 1.296 s 1.276 s1.296 s1.307 s37 ms2.84 %
Largest Contentful Paint 1.380 s 1.296 s 1.288 s 1.296 s 1.276 s1.296 s1.307 s37 ms2.84 %
Load Event End 2.090 s 2.007 s 1.966 s 1.954 s 1.959 s1.966 s1.995 s51 ms2.55 %
Server Response Time 519 ms 517 ms 519 ms 517 ms 518 ms518 ms518 ms1 ms0.17 %
TTFB 577 ms 503 ms 487 ms 485 ms 486 ms487 ms508 ms35 ms6.96 %
Page Load Time 2.090 s 2.007 s 1.966 s 1.954 s 1.959 s1.966 s1.995 s51 ms2.55 %
First Visual Change 1.366 s 1.300 s 1.300 s 1.300 s 1.266 s1.300 s1.306 s33 ms2.49 %
Last Visual Change 2.700 s 2.733 s 2.666 s 2.666 s 2.666 s2.666 s2.686 s27 ms1.00 %
Speed Index 1.403 s 1.333 s 1.332 s 1.332 s 1.303 s1.332 s1.341 s33 ms2.48 %
Visual Readiness 1.334 s 1.433 s 1.366 s 1.366 s 1.400 s1.366 s1.380 s34 ms2.45 %
Visual Complete 95 1.433 s 1.333 s 1.333 s 1.333 s 1.333 s1.333 s1.353 s40 ms2.96 %
Visual Complete 99 2.666 s 2.600 s 2.566 s 2.566 s 2.566 s2.566 s2.593 s39 ms1.50 %
CPU metrics
Total Blocking Time 272 ms 267 ms 253 ms 253 ms 261 ms261 ms261 ms8 ms2.89 %
Max Potential FID 153 ms 149 ms 147 ms 158 ms 157 ms153 ms153 ms4 ms2.82 %
Number of Long Tasks 5 6 6 6 66606.90 %
Total Duration of Long Tasks 866 ms 897 ms 874 ms 886 ms 882 ms882 ms881 ms11 ms1.20 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 36 ms33 ms34 ms1 ms3.57 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20836 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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 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 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 3.8 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 528.5 KB 528.5 KB 528.5 KB 528.5 KB 528.5 KB528.5 KB528.5 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 %