Metrics per run

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

Tested 2025-08-31 05:52:10 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 504 ms 488 ms 487 ms 487 ms 505 ms488 ms494 ms8 ms1.70 %
First Contentful Paint 1.312 s 1.292 s 1.296 s 1.336 s 1.304 s1.304 s1.308 s16 ms1.19 %
Largest Contentful Paint 1.312 s 1.292 s 1.296 s 1.336 s 1.304 s1.304 s1.308 s16 ms1.19 %
Total Blocking Time 228 ms 231 ms 230 ms 273 ms 255 ms231 ms243 ms18 ms7.31 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.312 s 1.292 s 1.296 s 1.336 s 1.304 s1.304 s1.308 s16 ms1.19 %
First Contentful Paint 1.312 s 1.292 s 1.296 s 1.336 s 1.304 s1.304 s1.308 s16 ms1.19 %
Largest Contentful Paint 1.312 s 1.292 s 1.296 s 1.336 s 1.304 s1.304 s1.308 s16 ms1.19 %
Load Event End 2.075 s 2.026 s 2.053 s 2.461 s 2.040 s2.053 s2.131 s166 ms7.78 %
Server Response Time 520 ms 519 ms 519 ms 519 ms 519 ms519 ms519 ms0 ms0.08 %
TTFB 504 ms 488 ms 487 ms 487 ms 505 ms488 ms494 ms8 ms1.70 %
Page Load Time 2.075 s 2.026 s 2.053 s 2.460 s 2.040 s2.053 s2.131 s165 ms7.76 %
First Visual Change 1.300 s 1.300 s 1.300 s 1.333 s 1.300 s1.300 s1.307 s13 ms1.01 %
Last Visual Change 2.666 s 2.600 s 2.633 s 2.133 s 2.666 s2.633 s2.540 s205 ms8.06 %
Speed Index 1.339 s 1.332 s 1.334 s 1.397 s 1.333 s1.334 s1.347 s25 ms1.86 %
Visual Readiness 1.366 s 1.300 s 1.333 s 800 ms 1.366 s1.333 s1.233 s218 ms17.67 %
Visual Complete 95 1.400 s 1.366 s 1.366 s 1.766 s 1.366 s1.366 s1.453 s157 ms10.82 %
Visual Complete 99 2.666 s 2.566 s 2.600 s 2.000 s 2.666 s2.600 s2.500 s253 ms10.11 %
CPU metrics
Total Blocking Time 228 ms 231 ms 230 ms 273 ms 255 ms231 ms243 ms18 ms7.31 %
Max Potential FID 132 ms 152 ms 145 ms 156 ms 155 ms152 ms148 ms9 ms6.00 %
Number of Long Tasks 6 5 5 6 66608.75 %
Total Duration of Long Tasks 874 ms 810 ms 822 ms 917 ms 878 ms874 ms860 ms39 ms4.57 %
Browser metrics
CPU benchmark score 33 ms 34 ms 36 ms 33 ms 33 ms33 ms34 ms1 ms3.45 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20837 20837 20837 20838 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 MB9 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 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 28.6 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 594.3 KB 594.3 KB 594.3 KB 594.3 KB 594.3 KB594.3 KB594.3 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 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 %