Metrics per run

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

Tested 2025-08-27 11:28:05 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 486 ms 487 ms 489 ms 487 ms 504 ms487 ms491 ms7 ms1.38 %
First Contentful Paint 1.308 s 1.292 s 1.296 s 1.292 s 1.340 s1.296 s1.306 s18 ms1.39 %
Largest Contentful Paint 1.308 s 1.292 s 1.296 s 1.292 s 1.340 s1.296 s1.306 s18 ms1.39 %
Total Blocking Time 253 ms 226 ms 250 ms 229 ms 257 ms250 ms243 ms13 ms5.30 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.308 s 1.292 s 1.296 s 1.292 s 1.340 s1.296 s1.306 s18 ms1.39 %
First Contentful Paint 1.308 s 1.292 s 1.296 s 1.292 s 1.340 s1.296 s1.306 s18 ms1.39 %
Largest Contentful Paint 1.308 s 1.292 s 1.296 s 1.292 s 1.340 s1.296 s1.306 s18 ms1.39 %
Load Event End 1.949 s 1.957 s 1.954 s 1.955 s 1.965 s1.955 s1.956 s5 ms0.27 %
Server Response Time 518 ms 519 ms 518 ms 522 ms 518 ms518 ms519 ms2 ms0.30 %
TTFB 486 ms 487 ms 489 ms 487 ms 504 ms487 ms491 ms7 ms1.38 %
Page Load Time 1.949 s 1.957 s 1.954 s 1.955 s 1.965 s1.955 s1.956 s5 ms0.27 %
First Visual Change 1.300 s 1.300 s 1.300 s 1.300 s 1.333 s1.300 s1.307 s13 ms1.01 %
Last Visual Change 2.633 s 2.533 s 2.633 s 2.600 s 2.666 s2.633 s2.613 s45 ms1.73 %
Speed Index 1.331 s 1.330 s 1.331 s 1.331 s 1.364 s1.331 s1.337 s13 ms0.99 %
Visual Readiness 1.333 s 1.233 s 1.333 s 1.300 s 1.333 s1.333 s1.306 s39 ms2.97 %
Visual Complete 95 1.333 s 1.333 s 1.333 s 1.333 s 1.366 s1.333 s1.340 s13 ms0.99 %
Visual Complete 99 2.566 s 2.533 s 2.566 s 2.533 s 2.566 s2.566 s2.553 s16 ms0.63 %
CPU metrics
Total Blocking Time 253 ms 226 ms 250 ms 229 ms 257 ms250 ms243 ms13 ms5.30 %
Max Potential FID 145 ms 136 ms 148 ms 140 ms 148 ms145 ms143 ms5 ms3.29 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 895 ms 847 ms 884 ms 858 ms 893 ms884 ms875 ms19 ms2.21 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 33 ms33 ms33 ms0 ms0.00 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20878 20877 20878 20878 20878208782087800.00 %
Document height 41461 41461 41461 41461 41461414614146100.00 %
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 MB5 B0.00 %
HTML Transfer Size 243.7 KB 243.7 KB 243.7 KB 243.7 KB 243.7 KB243.7 KB243.7 KB0 b0.00 %
JavaScript Transfer Size 369.2 KB 369.2 KB 369.2 KB 369.2 KB 369.2 KB369.2 KB369.2 KB1 B0.00 %
CSS Transfer Size 26.8 KB 26.8 KB 26.8 KB 26.8 KB 26.8 KB26.8 KB26.8 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 28.8 KB 28.8 KB 28.8 KB 28.8 KB 28.8 KB28.8 KB28.8 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 518.3 KB 518.3 KB 518.3 KB 518.3 KB 518.3 KB518.3 KB518.3 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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB5 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 %