Metrics per run

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

Tested 2025-08-30 05:39:44 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 488 ms487 ms490 ms7 ms1.50 %
First Contentful Paint 1.296 s 1.288 s 1.280 s 1.268 s 1.272 s1.280 s1.281 s10 ms0.80 %
Largest Contentful Paint 1.296 s 1.288 s 1.280 s 1.268 s 1.272 s1.280 s1.281 s10 ms0.80 %
Total Blocking Time 229 ms 240 ms 239 ms 236 ms 244 ms239 ms238 ms5 ms2.11 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.296 s 1.288 s 1.280 s 1.268 s 1.272 s1.280 s1.281 s10 ms0.80 %
First Contentful Paint 1.296 s 1.288 s 1.280 s 1.268 s 1.272 s1.280 s1.281 s10 ms0.80 %
Largest Contentful Paint 1.296 s 1.288 s 1.280 s 1.268 s 1.272 s1.280 s1.281 s10 ms0.80 %
Load Event End 2.044 s 2.021 s 2.029 s 2.701 s 2.024 s2.029 s2.164 s269 ms12.42 %
Server Response Time 517 ms 518 ms 518 ms 518 ms 517 ms518 ms518 ms0 ms0.09 %
TTFB 505 ms 486 ms 487 ms 486 ms 488 ms487 ms490 ms7 ms1.50 %
Page Load Time 2.044 s 2.021 s 2.029 s 2.700 s 2.024 s2.029 s2.164 s268 ms12.40 %
First Visual Change 1.300 s 1.300 s 1.266 s 1.266 s 1.266 s1.266 s1.280 s17 ms1.30 %
Last Visual Change 2.633 s 2.700 s 2.600 s 2.600 s 2.600 s2.600 s2.627 s39 ms1.48 %
Speed Index 1.334 s 1.333 s 1.299 s 1.298 s 1.303 s1.303 s1.313 s16 ms1.26 %
Visual Readiness 1.333 s 1.400 s 1.334 s 1.334 s 1.334 s1.334 s1.347 s27 ms1.97 %
Visual Complete 95 1.366 s 1.333 s 1.333 s 1.333 s 1.333 s1.333 s1.340 s13 ms0.99 %
Visual Complete 99 2.633 s 2.600 s 2.566 s 2.500 s 2.566 s2.566 s2.573 s44 ms1.72 %
CPU metrics
Total Blocking Time 229 ms 240 ms 239 ms 236 ms 244 ms239 ms238 ms5 ms2.11 %
Max Potential FID 137 ms 146 ms 136 ms 135 ms 149 ms137 ms141 ms6 ms4.09 %
Number of Long Tasks 6 6 5 6 56608.75 %
Total Duration of Long Tasks 852 ms 868 ms 807 ms 851 ms 804 ms851 ms836 ms26 ms3.10 %
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 20837 20838 20837 20838 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 MB5 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 KB1 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 593.9 KB 593.9 KB 593.9 KB 593.9 KB 593.9 KB593.9 KB593.9 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 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 %