Metrics per run

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

Tested 2025-08-28 08:29:23 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 505 ms 505 ms 504 ms 485 ms 487 ms504 ms497 ms9 ms1.85 %
First Contentful Paint 1.296 s 1.324 s 1.304 s 1.268 s 1.292 s1.296 s1.297 s18 ms1.40 %
Largest Contentful Paint 1.296 s 1.324 s 1.304 s 1.268 s 1.292 s1.296 s1.297 s18 ms1.40 %
Total Blocking Time 236 ms 234 ms 235 ms 195 ms 230 ms234 ms226 ms16 ms6.92 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.296 s 1.324 s 1.304 s 1.268 s 1.292 s1.296 s1.297 s18 ms1.40 %
First Contentful Paint 1.296 s 1.324 s 1.304 s 1.268 s 1.292 s1.296 s1.297 s18 ms1.40 %
Largest Contentful Paint 1.296 s 1.324 s 1.304 s 1.268 s 1.292 s1.296 s1.297 s18 ms1.40 %
Load Event End 2.032 s 2.035 s 2.040 s 2.832 s 2.049 s2.040 s2.198 s317 ms14.44 %
Server Response Time 519 ms 519 ms 519 ms 520 ms 519 ms519 ms519 ms0 ms0.08 %
TTFB 505 ms 505 ms 504 ms 485 ms 487 ms504 ms497 ms9 ms1.85 %
Page Load Time 2.032 s 2.035 s 2.040 s 2.831 s 2.049 s2.040 s2.197 s317 ms14.42 %
First Visual Change 1.300 s 1.333 s 1.300 s 1.266 s 1.266 s1.300 s1.293 s25 ms1.94 %
Last Visual Change 2.700 s 2.700 s 2.700 s 2.633 s 2.600 s2.700 s2.667 s42 ms1.58 %
Speed Index 1.337 s 1.365 s 1.338 s 1.300 s 1.305 s1.337 s1.329 s24 ms1.80 %
Visual Readiness 1.400 s 1.367 s 1.400 s 1.367 s 1.334 s1.367 s1.374 s25 ms1.80 %
Visual Complete 95 1.366 s 1.366 s 1.400 s 1.333 s 1.366 s1.366 s1.366 s21 ms1.55 %
Visual Complete 99 2.633 s 2.600 s 2.600 s 2.533 s 2.566 s2.600 s2.586 s34 ms1.32 %
CPU metrics
Total Blocking Time 236 ms 234 ms 235 ms 195 ms 230 ms234 ms226 ms16 ms6.92 %
Max Potential FID 138 ms 147 ms 148 ms 150 ms 148 ms148 ms146 ms4 ms2.88 %
Number of Long Tasks 6 6 6 6 56606.90 %
Total Duration of Long Tasks 856 ms 875 ms 859 ms 814 ms 829 ms856 ms847 ms22 ms2.60 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 34 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 20857 20857 20857 20857 20856208572085700.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.9 KB0.14 %
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 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 28.9 KB 28.9 KB 28.9 KB 28.9 KB 28.9 KB28.9 KB28.9 KB0 b0.00 %
Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB1.9 KB0.05 %
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 587.9 KB 587.9 KB 584.1 KB 584.1 KB 584.1 KB584.1 KB585.6 KB1.9 KB0.32 %
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 MB1.9 KB0.14 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB1.9 KB0.05 %