Metrics per run

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

Tested 2025-08-30 23:49:26 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 505 ms 488 ms 488 ms 485 ms 488 ms488 ms491 ms7 ms1.47 %
First Contentful Paint 1.300 s 1.280 s 1.260 s 1.284 s 1.268 s1.280 s1.278 s14 ms1.08 %
Largest Contentful Paint 1.300 s 1.280 s 1.260 s 1.284 s 1.268 s1.280 s1.278 s14 ms1.08 %
Total Blocking Time 182 ms 228 ms 222 ms 223 ms 232 ms223 ms217 ms18 ms8.31 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.300 s 1.280 s 1.260 s 1.284 s 1.268 s1.280 s1.278 s14 ms1.08 %
First Contentful Paint 1.300 s 1.280 s 1.260 s 1.284 s 1.268 s1.280 s1.278 s14 ms1.08 %
Largest Contentful Paint 1.300 s 1.280 s 1.260 s 1.284 s 1.268 s1.280 s1.278 s14 ms1.08 %
Load Event End 1.972 s 1.962 s 2.661 s 2.660 s 2.733 s2.660 s2.398 s353 ms14.71 %
Server Response Time 517 ms 518 ms 519 ms 518 ms 518 ms518 ms518 ms1 ms0.12 %
TTFB 505 ms 488 ms 488 ms 485 ms 488 ms488 ms491 ms7 ms1.47 %
Page Load Time 1.972 s 1.962 s 2.660 s 2.659 s 2.732 s2.659 s2.397 s352 ms14.69 %
First Visual Change 1.300 s 1.266 s 1.266 s 1.300 s 1.266 s1.266 s1.280 s17 ms1.30 %
Last Visual Change 2.633 s 2.633 s 2.600 s 2.600 s 2.633 s2.633 s2.620 s16 ms0.62 %
Speed Index 1.331 s 1.302 s 1.299 s 1.334 s 1.300 s1.302 s1.313 s16 ms1.20 %
Visual Readiness 1.333 s 1.367 s 1.334 s 1.300 s 1.367 s1.334 s1.340 s25 ms1.87 %
Visual Complete 95 1.333 s 1.333 s 1.333 s 1.400 s 1.333 s1.333 s1.346 s27 ms1.99 %
Visual Complete 99 2.533 s 2.533 s 2.500 s 2.500 s 2.533 s2.533 s2.520 s16 ms0.64 %
CPU metrics
Total Blocking Time 182 ms 228 ms 222 ms 223 ms 232 ms223 ms217 ms18 ms8.31 %
Max Potential FID 154 ms 155 ms 141 ms 140 ms 140 ms141 ms146 ms7 ms4.77 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 801 ms 850 ms 838 ms 856 ms 851 ms850 ms839 ms20 ms2.38 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 33 ms33 ms33 ms0 ms0.00 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20838 20838 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 MB5 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 KB0 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 519.4 KB 519.4 KB 519.4 KB 519.4 KB 519.4 KB519.4 KB519.4 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 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 %