Metrics per run

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

Tested 2025-08-27 20:28:22 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 488 ms 610 ms 487 ms 487 ms 485 ms487 ms511 ms49 ms9.64 %
First Contentful Paint 1.296 s 1.420 s 1.316 s 1.284 s 1.292 s1.296 s1.322 s50 ms3.81 %
Largest Contentful Paint 1.296 s 1.420 s 1.316 s 1.284 s 1.292 s1.296 s1.322 s50 ms3.81 %
Total Blocking Time 228 ms 213 ms 250 ms 244 ms 245 ms244 ms236 ms14 ms5.79 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.296 s 1.420 s 1.316 s 1.284 s 1.292 s1.296 s1.322 s50 ms3.81 %
First Contentful Paint 1.296 s 1.420 s 1.316 s 1.284 s 1.292 s1.296 s1.322 s50 ms3.81 %
Largest Contentful Paint 1.296 s 1.420 s 1.316 s 1.284 s 1.292 s1.296 s1.322 s50 ms3.81 %
Load Event End 1.955 s 2.082 s 1.952 s 2.011 s 2.009 s2.009 s2.002 s47 ms2.37 %
Server Response Time 518 ms 519 ms 519 ms 519 ms 518 ms519 ms519 ms0 ms0.09 %
TTFB 488 ms 610 ms 487 ms 487 ms 485 ms487 ms511 ms49 ms9.64 %
Page Load Time 1.955 s 2.082 s 1.952 s 2.011 s 2.009 s2.009 s2.002 s47 ms2.37 %
First Visual Change 1.300 s 1.433 s 1.300 s 1.266 s 1.300 s1.300 s1.320 s58 ms4.40 %
Last Visual Change 2.600 s 2.733 s 2.533 s 2.600 s 2.700 s2.600 s2.633 s73 ms2.77 %
Speed Index 1.331 s 1.463 s 1.334 s 1.302 s 1.332 s1.332 s1.352 s57 ms4.18 %
Visual Readiness 1.300 s 1.300 s 1.233 s 1.334 s 1.400 s1.300 s1.313 s54 ms4.13 %
Visual Complete 95 1.333 s 1.466 s 1.366 s 1.333 s 1.333 s1.333 s1.366 s52 ms3.77 %
Visual Complete 99 2.533 s 2.633 s 2.533 s 2.566 s 2.600 s2.566 s2.573 s39 ms1.51 %
CPU metrics
Total Blocking Time 228 ms 213 ms 250 ms 244 ms 245 ms244 ms236 ms14 ms5.79 %
Max Potential FID 141 ms 131 ms 150 ms 149 ms 153 ms149 ms145 ms8 ms5.50 %
Number of Long Tasks 6 6 6 5 66606.90 %
Total Duration of Long Tasks 862 ms 844 ms 907 ms 817 ms 878 ms862 ms862 ms30 ms3.53 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 36 ms 33 ms33 ms34 ms1 ms3.57 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20857 20857 20856 20856 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 1.3 MB 1.3 MB1.2 MB1.2 MB31.6 KB2.53 %
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 367.2 KB 367.2 KB 367.2 KB 367.2 KB 367.2 KB367.2 KB367.2 KB0 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 b0.03 %
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 MB31.6 KB0.82 %
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 522.6 KB 522.1 KB 522.1 KB 586.7 KB 586.7 KB522.6 KB548.0 KB31.6 KB5.76 %
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 1.3 MB 1.3 MB1.2 MB1.2 MB31.6 KB2.53 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB31.6 KB0.82 %