Metrics per run

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

Tested 2025-08-28 02:29:22 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 486 ms 504 ms 503 ms 489 ms 504 ms503 ms497 ms8 ms1.61 %
First Contentful Paint 1.284 s 1.288 s 1.316 s 1.296 s 1.308 s1.296 s1.298 s12 ms0.93 %
Largest Contentful Paint 1.284 s 1.288 s 1.316 s 1.296 s 1.308 s1.296 s1.298 s12 ms0.93 %
Interaction to Next Paint 104 ms NaN s NaN s NaN s NaN s104 ms104 ms0 ms0.00 %
Total Blocking Time 244 ms 227 ms 242 ms 239 ms 253 ms242 ms241 ms8 ms3.49 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.284 s 1.288 s 1.316 s 1.296 s 1.308 s1.296 s1.298 s12 ms0.93 %
First Contentful Paint 1.284 s 1.288 s 1.316 s 1.296 s 1.308 s1.296 s1.298 s12 ms0.93 %
Largest Contentful Paint 1.284 s 1.288 s 1.316 s 1.296 s 1.308 s1.296 s1.298 s12 ms0.93 %
Load Event End 1.981 s 2.005 s 1.975 s 1.962 s 1.972 s1.975 s1.979 s14 ms0.73 %
Server Response Time 518 ms 519 ms 519 ms 519 ms 519 ms519 ms519 ms0 ms0.08 %
TTFB 486 ms 504 ms 503 ms 489 ms 504 ms503 ms497 ms8 ms1.61 %
Page Load Time 1.981 s 2.005 s 1.975 s 1.962 s 1.972 s1.975 s1.979 s14 ms0.73 %
First Visual Change 1.266 s 1.300 s 1.300 s 1.300 s 1.300 s1.300 s1.293 s14 ms1.05 %
Last Visual Change 2.666 s 2.666 s 2.633 s 2.533 s 2.666 s2.666 s2.633 s52 ms1.96 %
Speed Index 1.305 s 1.333 s 1.336 s 1.334 s 1.336 s1.334 s1.329 s12 ms0.90 %
Visual Readiness 1.400 s 1.366 s 1.333 s 1.233 s 1.366 s1.366 s1.340 s57 ms4.28 %
Visual Complete 95 1.366 s 1.366 s 1.366 s 1.366 s 1.366 s1.366 s1.366 s0 ms0.00 %
Visual Complete 99 2.566 s 2.600 s 2.566 s 2.533 s 2.566 s2.566 s2.566 s21 ms0.83 %
CPU metrics
Total Blocking Time 244 ms 227 ms 242 ms 239 ms 253 ms242 ms241 ms8 ms3.49 %
Max Potential FID 147 ms 140 ms 144 ms 135 ms 153 ms144 ms144 ms6 ms4.25 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 875 ms 850 ms 878 ms 874 ms 881 ms875 ms872 ms11 ms1.27 %
Browser metrics
CPU benchmark score 33 ms 33 ms 34 ms 34 ms 33 ms33 ms33 ms0 ms1.47 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20857 20857 20857 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 1.2 MB 1.2 MB1.2 MB1.2 MB9 B0.00 %
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 b0.00 %
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 190.3 KB 190.3 KB 190.3 KB 190.3 KB 190.3 KB190.3 KB190.3 KB0 b0.00 %
Image Content Size 523.1 KB 523.1 KB 523.1 KB 523.1 KB 523.1 KB523.1 KB523.1 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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB9 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 %