Metrics per run

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

Tested 2025-08-26 20:26:58 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 486 ms 505 ms 487 ms 488 ms487 ms491 ms7 ms1.47 %
First Contentful Paint 1.292 s 1.288 s 1.300 s 1.292 s 1.296 s1.292 s1.294 s4 ms0.32 %
Largest Contentful Paint 1.292 s 1.288 s 1.300 s 1.292 s 1.296 s1.292 s1.294 s4 ms0.32 %
Total Blocking Time 213 ms 241 ms 237 ms 236 ms 270 ms237 ms239 ms18 ms7.60 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.292 s 1.288 s 1.300 s 1.292 s 1.296 s1.292 s1.294 s4 ms0.32 %
First Contentful Paint 1.292 s 1.288 s 1.300 s 1.292 s 1.296 s1.292 s1.294 s4 ms0.32 %
Largest Contentful Paint 1.292 s 1.288 s 1.300 s 1.292 s 1.296 s1.292 s1.294 s4 ms0.32 %
Load Event End 1.987 s 1.940 s 2.000 s 1.944 s 1.947 s1.947 s1.964 s25 ms1.27 %
Server Response Time 519 ms 518 ms 519 ms 517 ms 518 ms518 ms518 ms1 ms0.14 %
TTFB 487 ms 486 ms 505 ms 487 ms 488 ms487 ms491 ms7 ms1.47 %
Page Load Time 1.987 s 1.940 s 2.000 s 1.944 s 1.947 s1.947 s1.964 s25 ms1.27 %
First Visual Change 1.300 s 1.300 s 1.300 s 1.300 s 1.300 s1.300 s1.300 s0 ms0.00 %
Last Visual Change 2.633 s 2.633 s 2.666 s 2.633 s 2.666 s2.633 s2.646 s16 ms0.61 %
Speed Index 1.331 s 1.331 s 1.333 s 1.331 s 1.332 s1.331 s1.332 s1 ms0.06 %
Visual Readiness 1.333 s 1.333 s 1.366 s 1.333 s 1.366 s1.333 s1.346 s16 ms1.20 %
Visual Complete 95 1.333 s 1.333 s 1.333 s 1.333 s 1.333 s1.333 s1.333 s0 ms0.00 %
Visual Complete 99 2.533 s 2.533 s 2.600 s 2.500 s 2.566 s2.533 s2.546 s34 ms1.33 %
CPU metrics
Total Blocking Time 213 ms 241 ms 237 ms 236 ms 270 ms237 ms239 ms18 ms7.60 %
Max Potential FID 136 ms 143 ms 138 ms 135 ms 154 ms138 ms141 ms7 ms4.94 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 856 ms 869 ms 864 ms 867 ms 902 ms867 ms872 ms16 ms1.82 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 34 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 20859 20859 20859 20859 20859208592085900.00 %
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 MB8 B0.00 %
HTML Transfer Size 243.3 KB 243.3 KB 243.3 KB 243.3 KB 243.3 KB243.3 KB243.3 KB1 B0.00 %
JavaScript Transfer Size 369.2 KB 369.2 KB 369.2 KB 369.2 KB 369.2 KB369.2 KB369.2 KB1 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 28.7 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 512.7 KB 512.7 KB 512.7 KB 512.7 KB 512.7 KB512.7 KB512.7 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 MB8 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 %