Metrics per run

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

Tested 2025-08-31 11:56:40 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 504 ms 505 ms 487 ms 489 ms 488 ms489 ms495 ms8 ms1.64 %
First Contentful Paint 1.296 s 1.308 s 1.304 s 1.284 s 1.280 s1.296 s1.294 s11 ms0.84 %
Largest Contentful Paint 1.296 s 1.308 s 1.304 s 1.284 s 1.280 s1.296 s1.294 s11 ms0.84 %
Total Blocking Time 235 ms 239 ms 223 ms 209 ms 221 ms223 ms225 ms11 ms4.74 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.296 s 1.308 s 1.304 s 1.284 s 1.280 s1.296 s1.294 s11 ms0.84 %
First Contentful Paint 1.296 s 1.308 s 1.304 s 1.284 s 1.280 s1.296 s1.294 s11 ms0.84 %
Largest Contentful Paint 1.296 s 1.308 s 1.304 s 1.284 s 1.280 s1.296 s1.294 s11 ms0.84 %
Load Event End 2.051 s 2.801 s 2.063 s 2.870 s 2.033 s2.063 s2.364 s386 ms16.33 %
Server Response Time 520 ms 518 ms 520 ms 519 ms 519 ms519 ms519 ms1 ms0.14 %
TTFB 504 ms 505 ms 487 ms 489 ms 488 ms489 ms495 ms8 ms1.64 %
Page Load Time 2.051 s 2.800 s 2.063 s 2.869 s 2.033 s2.063 s2.363 s386 ms16.31 %
First Visual Change 1.300 s 1.300 s 1.300 s 1.266 s 1.266 s1.300 s1.286 s17 ms1.29 %
Last Visual Change 2.600 s 2.733 s 2.700 s 2.666 s 2.700 s2.700 s2.680 s45 ms1.69 %
Speed Index 1.331 s 1.340 s 1.337 s 1.305 s 1.304 s1.331 s1.323 s16 ms1.19 %
Visual Readiness 1.300 s 1.433 s 1.400 s 1.400 s 1.434 s1.400 s1.393 s49 ms3.52 %
Visual Complete 95 1.333 s 1.400 s 1.366 s 1.366 s 1.333 s1.366 s1.360 s25 ms1.84 %
Visual Complete 99 2.566 s 2.666 s 2.633 s 2.600 s 2.600 s2.600 s2.613 s34 ms1.30 %
CPU metrics
Total Blocking Time 235 ms 239 ms 223 ms 209 ms 221 ms223 ms225 ms11 ms4.74 %
Max Potential FID 149 ms 139 ms 142 ms 134 ms 141 ms141 ms141 ms5 ms3.45 %
Number of Long Tasks 5 6 6 6 66606.90 %
Total Duration of Long Tasks 807 ms 883 ms 874 ms 845 ms 836 ms845 ms849 ms27 ms3.22 %
Browser metrics
CPU benchmark score 33 ms 33 ms 34 ms 37 ms 34 ms34 ms34 ms1 ms4.30 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20836 20837 20837 20837 20837208372083700.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1 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 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 28.6 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 595.1 KB 595.1 KB 595.1 KB 595.1 KB 595.1 KB595.1 KB595.1 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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1 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 %