Metrics per run

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

Tested 2025-08-27 08:27:59 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 509 ms 486 ms 487 ms 503 ms 504 ms503 ms498 ms9 ms1.90 %
First Contentful Paint 1.308 s 1.304 s 1.280 s 1.316 s 1.308 s1.308 s1.303 s12 ms0.94 %
Largest Contentful Paint 1.308 s 1.304 s 1.280 s 1.316 s 1.308 s1.308 s1.303 s12 ms0.94 %
Total Blocking Time 230 ms 245 ms 249 ms 242 ms 245 ms245 ms242 ms6 ms2.68 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.308 s 1.304 s 1.280 s 1.316 s 1.308 s1.308 s1.303 s12 ms0.94 %
First Contentful Paint 1.308 s 1.304 s 1.280 s 1.316 s 1.308 s1.308 s1.303 s12 ms0.94 %
Largest Contentful Paint 1.308 s 1.304 s 1.280 s 1.316 s 1.308 s1.308 s1.303 s12 ms0.94 %
Load Event End 1.978 s 1.959 s 2.028 s 1.972 s 1.965 s1.972 s1.980 s25 ms1.24 %
Server Response Time 519 ms 518 ms 519 ms 521 ms 519 ms519 ms519 ms1 ms0.19 %
TTFB 509 ms 486 ms 487 ms 503 ms 504 ms503 ms498 ms9 ms1.90 %
Page Load Time 1.978 s 1.959 s 2.028 s 1.972 s 1.965 s1.972 s1.980 s25 ms1.24 %
First Visual Change 1.300 s 1.300 s 1.266 s 1.333 s 1.300 s1.300 s1.300 s21 ms1.63 %
Last Visual Change 2.666 s 2.566 s 2.700 s 2.666 s 2.633 s2.666 s2.646 s45 ms1.71 %
Speed Index 1.336 s 1.335 s 1.304 s 1.364 s 1.335 s1.335 s1.335 s19 ms1.42 %
Visual Readiness 1.366 s 1.266 s 1.434 s 1.333 s 1.333 s1.333 s1.346 s55 ms4.05 %
Visual Complete 95 1.366 s 1.366 s 1.333 s 1.366 s 1.366 s1.366 s1.359 s13 ms0.97 %
Visual Complete 99 2.566 s 2.533 s 2.600 s 2.566 s 2.566 s2.566 s2.566 s21 ms0.83 %
CPU metrics
Total Blocking Time 230 ms 245 ms 249 ms 242 ms 245 ms245 ms242 ms6 ms2.68 %
Max Potential FID 131 ms 147 ms 152 ms 146 ms 150 ms147 ms145 ms7 ms5.11 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 856 ms 890 ms 885 ms 882 ms 878 ms882 ms878 ms12 ms1.34 %
Browser metrics
CPU benchmark score 33 ms 34 ms 34 ms 33 ms 33 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 20878 20877 20878 20878 20878208782087800.00 %
Document height 41461 41461 41461 41461 41461414614146100.00 %
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 MB6 B0.00 %
HTML Transfer Size 243.7 KB 243.7 KB 243.7 KB 243.7 KB 243.7 KB243.7 KB243.7 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 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 28.7 KB 28.7 KB 28.7 KB 28.7 KB 28.7 KB28.7 KB28.7 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 516.8 KB 516.8 KB 516.8 KB 516.8 KB 516.8 KB516.8 KB516.8 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 MB6 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 %