Metrics per run

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

Tested 2025-08-30 02:38:32 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 485 ms 504 ms 486 ms 505 ms 488 ms488 ms494 ms9 ms1.81 %
First Contentful Paint 1.284 s 1.320 s 1.292 s 1.304 s 1.292 s1.292 s1.298 s13 ms0.97 %
Largest Contentful Paint 1.284 s 1.320 s 1.292 s 1.304 s 1.292 s1.292 s1.298 s13 ms0.97 %
Total Blocking Time 233 ms 241 ms 209 ms 232 ms 233 ms233 ms230 ms11 ms4.70 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.284 s 1.320 s 1.292 s 1.304 s 1.292 s1.292 s1.298 s13 ms0.97 %
First Contentful Paint 1.284 s 1.320 s 1.292 s 1.304 s 1.292 s1.292 s1.298 s13 ms0.97 %
Largest Contentful Paint 1.284 s 1.320 s 1.292 s 1.304 s 1.292 s1.292 s1.298 s13 ms0.97 %
Load Event End 2.002 s 1.982 s 2.004 s 1.990 s 1.971 s1.990 s1.990 s12 ms0.62 %
Server Response Time 518 ms 517 ms 519 ms 520 ms 520 ms519 ms519 ms1 ms0.22 %
TTFB 485 ms 504 ms 486 ms 505 ms 488 ms488 ms494 ms9 ms1.81 %
Page Load Time 2.002 s 1.982 s 2.004 s 1.990 s 1.971 s1.990 s1.990 s12 ms0.62 %
First Visual Change 1.300 s 1.333 s 1.300 s 1.300 s 1.300 s1.300 s1.307 s13 ms1.01 %
Last Visual Change 2.666 s 2.666 s 2.633 s 2.666 s 2.633 s2.666 s2.653 s16 ms0.61 %
Speed Index 1.330 s 1.364 s 1.333 s 1.335 s 1.331 s1.333 s1.339 s13 ms0.96 %
Visual Readiness 1.366 s 1.333 s 1.333 s 1.366 s 1.333 s1.333 s1.346 s16 ms1.20 %
Visual Complete 95 1.366 s 1.366 s 1.366 s 1.366 s 1.333 s1.366 s1.359 s13 ms0.97 %
Visual Complete 99 2.566 s 2.566 s 2.566 s 2.566 s 2.566 s2.566 s2.566 s0 ms0.00 %
CPU metrics
Total Blocking Time 233 ms 241 ms 209 ms 232 ms 233 ms233 ms230 ms11 ms4.70 %
Max Potential FID 140 ms 147 ms 135 ms 149 ms 147 ms147 ms144 ms5 ms3.67 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 865 ms 882 ms 851 ms 854 ms 858 ms858 ms862 ms11 ms1.28 %
Browser metrics
CPU benchmark score 33 ms 34 ms 34 ms 33 ms 34 ms34 ms34 ms0 ms1.46 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20838 20838 20838 20838208382083800.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB1.1 KB0.09 %
HTML Transfer Size 243.1 KB 243.1 KB 243.1 KB 243.1 KB 243.1 KB243.1 KB243.1 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 MB1.1 KB0.03 %
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 532.0 KB 534.7 KB 534.7 KB 534.7 KB 534.7 KB534.7 KB534.2 KB1.1 KB0.21 %
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 MB1.1 KB0.09 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB1.1 KB0.03 %