Metrics per run

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

Tested 2025-08-25 23:22:48 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 505 ms 487 ms 487 ms 487 ms487 ms491 ms7 ms1.47 %
First Contentful Paint 1.292 s 1.292 s 1.280 s 1.284 s 1.284 s1.284 s1.286 s5 ms0.37 %
Largest Contentful Paint 1.292 s 1.292 s 1.280 s 1.284 s 1.284 s1.284 s1.286 s5 ms0.37 %
Total Blocking Time 220 ms 220 ms 238 ms 217 ms 222 ms220 ms223 ms7 ms3.34 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.292 s 1.292 s 1.280 s 1.284 s 1.284 s1.284 s1.286 s5 ms0.37 %
First Contentful Paint 1.292 s 1.292 s 1.280 s 1.284 s 1.284 s1.284 s1.286 s5 ms0.37 %
Largest Contentful Paint 1.292 s 1.292 s 1.280 s 1.284 s 1.284 s1.284 s1.286 s5 ms0.37 %
Load Event End 2.020 s 2.039 s 2.025 s 2.023 s 2.743 s2.025 s2.170 s287 ms13.21 %
Server Response Time 518 ms 519 ms 518 ms 519 ms 518 ms518 ms518 ms0 ms0.09 %
TTFB 487 ms 505 ms 487 ms 487 ms 487 ms487 ms491 ms7 ms1.47 %
Page Load Time 2.020 s 2.039 s 2.025 s 2.023 s 2.743 s2.025 s2.170 s287 ms13.21 %
First Visual Change 1.300 s 1.300 s 1.266 s 1.266 s 1.300 s1.300 s1.286 s17 ms1.29 %
Last Visual Change 2.666 s 2.600 s 2.700 s 2.666 s 2.600 s2.666 s2.646 s40 ms1.51 %
Speed Index 1.332 s 1.331 s 1.304 s 1.299 s 1.331 s1.331 s1.319 s15 ms1.11 %
Visual Readiness 1.366 s 1.300 s 1.434 s 1.400 s 1.300 s1.366 s1.360 s54 ms3.93 %
Visual Complete 95 1.333 s 1.333 s 1.333 s 1.300 s 1.333 s1.333 s1.326 s13 ms1.00 %
Visual Complete 99 2.566 s 2.566 s 2.633 s 2.566 s 2.600 s2.566 s2.586 s27 ms1.04 %
CPU metrics
Total Blocking Time 220 ms 220 ms 238 ms 217 ms 222 ms220 ms223 ms7 ms3.34 %
Max Potential FID 134 ms 135 ms 147 ms 135 ms 133 ms135 ms137 ms5 ms3.77 %
Number of Long Tasks 6 5 6 6 66606.90 %
Total Duration of Long Tasks 853 ms 783 ms 854 ms 841 ms 856 ms853 ms837 ms28 ms3.31 %
Browser metrics
CPU benchmark score 33 ms 36 ms 36 ms 33 ms 34 ms34 ms34 ms1 ms3.94 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20836 20835 20836 20836 20835208362083600.00 %
Document height 41316 41316 41316 41316 41316413164131600.00 %
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 243.0 KB 243.0 KB 243.0 KB 243.0 KB 243.0 KB243.0 KB243.0 KB0 b0.00 %
JavaScript Transfer Size 369.2 KB 369.2 KB 369.2 KB 369.2 KB 369.2 KB369.2 KB369.2 KB0 b0.00 %
CSS Transfer Size 26.8 KB 26.8 KB 26.8 KB 26.8 KB 26.8 KB26.8 KB26.8 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 190.3 KB 190.3 KB 190.3 KB 190.3 KB 190.3 KB190.3 KB190.3 KB0 b0.00 %
Image Content Size 590.3 KB 590.3 KB 590.3 KB 590.3 KB 590.3 KB590.3 KB590.3 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 %