Metrics per run

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

Tested 2025-08-30 14:44:21 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 577 ms 505 ms 487 ms 487 ms 488 ms488 ms509 ms35 ms6.84 %
First Contentful Paint 1.392 s 1.308 s 1.284 s 1.280 s 1.280 s1.284 s1.309 s43 ms3.28 %
Largest Contentful Paint 1.392 s 1.308 s 1.284 s 1.280 s 1.280 s1.284 s1.309 s43 ms3.28 %
Total Blocking Time 237 ms 241 ms 231 ms 220 ms 233 ms233 ms232 ms7 ms3.05 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.392 s 1.308 s 1.284 s 1.280 s 1.280 s1.284 s1.309 s43 ms3.28 %
First Contentful Paint 1.392 s 1.308 s 1.284 s 1.280 s 1.280 s1.284 s1.309 s43 ms3.28 %
Largest Contentful Paint 1.392 s 1.308 s 1.284 s 1.280 s 1.280 s1.284 s1.309 s43 ms3.28 %
Load Event End 2.043 s 2.001 s 1.958 s 1.951 s 1.955 s1.958 s1.982 s36 ms1.80 %
Server Response Time 517 ms 519 ms 519 ms 519 ms 519 ms519 ms519 ms1 ms0.15 %
TTFB 577 ms 505 ms 487 ms 487 ms 488 ms488 ms509 ms35 ms6.84 %
Page Load Time 2.043 s 2.001 s 1.958 s 1.951 s 1.955 s1.958 s1.982 s36 ms1.80 %
First Visual Change 1.400 s 1.300 s 1.266 s 1.266 s 1.266 s1.266 s1.300 s52 ms3.99 %
Last Visual Change 2.733 s 2.566 s 2.566 s 2.633 s 2.633 s2.633 s2.626 s61 ms2.33 %
Speed Index 1.431 s 1.332 s 1.298 s 1.302 s 1.303 s1.303 s1.333 s50 ms3.78 %
Visual Readiness 1.333 s 1.266 s 1.300 s 1.367 s 1.367 s1.333 s1.327 s39 ms2.96 %
Visual Complete 95 1.433 s 1.366 s 1.300 s 1.333 s 1.333 s1.333 s1.353 s45 ms3.33 %
Visual Complete 99 2.633 s 2.533 s 2.566 s 2.533 s 2.533 s2.533 s2.560 s39 ms1.52 %
CPU metrics
Total Blocking Time 237 ms 241 ms 231 ms 220 ms 233 ms233 ms232 ms7 ms3.05 %
Max Potential FID 134 ms 145 ms 136 ms 140 ms 141 ms140 ms139 ms4 ms2.78 %
Number of Long Tasks 6 5 6 6 66606.90 %
Total Duration of Long Tasks 871 ms 813 ms 846 ms 841 ms 857 ms846 ms846 ms19 ms2.28 %
Browser metrics
CPU benchmark score 36 ms 34 ms 34 ms 33 ms 36 ms34 ms35 ms1 ms3.47 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20837 20837 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 MB8 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 KB2 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 517.1 KB 517.1 KB 517.1 KB 517.1 KB 517.1 KB517.1 KB517.1 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 MB8 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 %