Metrics per run

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

Tested 2025-08-28 11:29:56 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 488 ms 506 ms 488 ms 608 ms 487 ms488 ms515 ms47 ms9.09 %
First Contentful Paint 1.280 s 1.292 s 1.300 s 1.408 s 1.308 s1.300 s1.318 s46 ms3.50 %
Largest Contentful Paint 1.280 s 1.292 s 1.300 s 1.408 s 1.308 s1.300 s1.318 s46 ms3.50 %
Total Blocking Time 225 ms 249 ms 211 ms 219 ms 229 ms225 ms227 ms13 ms5.62 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.280 s 1.292 s 1.300 s 1.408 s 1.308 s1.300 s1.318 s46 ms3.50 %
First Contentful Paint 1.280 s 1.292 s 1.300 s 1.408 s 1.308 s1.300 s1.318 s46 ms3.50 %
Largest Contentful Paint 1.280 s 1.292 s 1.300 s 1.408 s 1.308 s1.300 s1.318 s46 ms3.50 %
Load Event End 1.989 s 2.751 s 1.980 s 2.068 s 1.948 s1.989 s2.147 s304 ms14.18 %
Server Response Time 520 ms 519 ms 520 ms 519 ms 519 ms519 ms519 ms0 ms0.09 %
TTFB 488 ms 506 ms 488 ms 608 ms 487 ms488 ms515 ms47 ms9.09 %
Page Load Time 1.989 s 2.749 s 1.980 s 2.068 s 1.948 s1.989 s2.147 s304 ms14.15 %
First Visual Change 1.266 s 1.300 s 1.300 s 1.400 s 1.300 s1.300 s1.313 s45 ms3.45 %
Last Visual Change 2.566 s 2.666 s 2.633 s 2.733 s 2.600 s2.633 s2.640 s57 ms2.17 %
Speed Index 1.303 s 1.334 s 1.332 s 1.435 s 1.335 s1.334 s1.348 s45 ms3.35 %
Visual Readiness 1.300 s 1.366 s 1.333 s 1.333 s 1.300 s1.333 s1.326 s25 ms1.86 %
Visual Complete 95 1.366 s 1.366 s 1.366 s 1.466 s 1.366 s1.366 s1.386 s40 ms2.89 %
Visual Complete 99 2.566 s 2.566 s 2.533 s 2.633 s 2.500 s2.566 s2.560 s44 ms1.72 %
CPU metrics
Total Blocking Time 225 ms 249 ms 211 ms 219 ms 229 ms225 ms227 ms13 ms5.62 %
Max Potential FID 147 ms 145 ms 138 ms 133 ms 137 ms138 ms140 ms5 ms3.73 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 851 ms 873 ms 839 ms 845 ms 881 ms851 ms858 ms16 ms1.90 %
Browser metrics
CPU benchmark score 33 ms 33 ms 34 ms 33 ms 33 ms33 ms33 ms0 ms1.20 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20856 20857 20857 20857 20857208572085700.00 %
Document height 41393 41393 41393 41393 41393413934139300.00 %
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 MB7 B0.00 %
HTML Transfer Size 243.5 KB 243.5 KB 243.5 KB 243.5 KB 243.5 KB243.5 KB243.5 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 517.0 KB 517.0 KB 517.0 KB 517.0 KB 517.0 KB517.0 KB517.0 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 MB7 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 %