Metrics per run

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

Tested 2025-08-28 14:29:58 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 505 ms 488 ms 610 ms 487 ms505 ms519 ms46 ms8.88 %
First Contentful Paint 1.316 s 1.304 s 1.288 s 1.420 s 1.280 s1.304 s1.322 s51 ms3.84 %
Largest Contentful Paint 1.316 s 1.304 s 1.288 s 1.420 s 1.280 s1.304 s1.322 s51 ms3.84 %
Total Blocking Time 230 ms 244 ms 211 ms 224 ms 247 ms230 ms231 ms13 ms5.72 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.316 s 1.304 s 1.288 s 1.420 s 1.280 s1.304 s1.322 s51 ms3.84 %
First Contentful Paint 1.316 s 1.304 s 1.288 s 1.420 s 1.280 s1.304 s1.322 s51 ms3.84 %
Largest Contentful Paint 1.316 s 1.304 s 1.288 s 1.420 s 1.280 s1.304 s1.322 s51 ms3.84 %
Load Event End 1.966 s 1.965 s 1.961 s 2.078 s 2.621 s1.966 s2.118 s255 ms12.05 %
Server Response Time 517 ms 519 ms 519 ms 519 ms 517 ms519 ms518 ms1 ms0.19 %
TTFB 506 ms 505 ms 488 ms 610 ms 487 ms505 ms519 ms46 ms8.88 %
Page Load Time 1.966 s 1.965 s 1.961 s 2.078 s 2.620 s1.966 s2.118 s255 ms12.03 %
First Visual Change 1.300 s 1.300 s 1.300 s 1.433 s 1.266 s1.300 s1.320 s58 ms4.40 %
Last Visual Change 2.566 s 2.633 s 2.633 s 2.733 s 2.466 s2.633 s2.606 s88 ms3.38 %
Speed Index 1.334 s 1.331 s 1.331 s 1.468 s 1.307 s1.331 s1.354 s58 ms4.26 %
Visual Readiness 1.266 s 1.333 s 1.333 s 1.300 s 1.200 s1.300 s1.286 s50 ms3.87 %
Visual Complete 95 1.366 s 1.333 s 1.333 s 1.500 s 1.400 s1.366 s1.386 s62 ms4.47 %
Visual Complete 99 2.566 s 2.533 s 2.533 s 2.666 s 2.433 s2.533 s2.546 s75 ms2.93 %
CPU metrics
Total Blocking Time 230 ms 244 ms 211 ms 224 ms 247 ms230 ms231 ms13 ms5.72 %
Max Potential FID 150 ms 145 ms 131 ms 138 ms 153 ms145 ms143 ms8 ms5.59 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 863 ms 868 ms 839 ms 857 ms 883 ms863 ms862 ms14 ms1.67 %
Browser metrics
CPU benchmark score 34 ms 33 ms 36 ms 38 ms 33 ms34 ms35 ms2 ms5.57 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20837 20838 20838 20838 20837208382083800.00 %
Document height 41342 41342 41342 41342 41342413424134200.00 %
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 MB2 B0.00 %
HTML Transfer Size 243.1 KB 243.1 KB 243.1 KB 243.1 KB 243.1 KB243.1 KB243.1 KB0 b0.00 %
JavaScript Transfer Size 367.4 KB 367.4 KB 367.4 KB 367.4 KB 367.4 KB367.4 KB367.4 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 28.9 KB 28.9 KB 28.9 KB 28.9 KB 28.9 KB28.9 KB28.9 KB0 b0.00 %
Total Content Size 3.7 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 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 518.2 KB 518.2 KB 518.2 KB 518.2 KB 518.2 KB518.2 KB518.2 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 MB2 B0.00 %
First Party Total Content Size 3.7 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 MB0 b0.00 %