Metrics per run

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

Tested 2025-08-29 02:32:17 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 504 ms 504 ms 504 ms 504 ms504 ms501 ms7 ms1.36 %
First Contentful Paint 1.288 s 1.280 s 1.308 s 1.336 s 1.312 s1.308 s1.305 s20 ms1.51 %
Largest Contentful Paint 1.288 s 1.280 s 1.308 s 1.336 s 1.312 s1.308 s1.305 s20 ms1.51 %
Total Blocking Time 264 ms 230 ms 221 ms 221 ms 230 ms230 ms233 ms16 ms6.83 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.288 s 1.280 s 1.308 s 1.336 s 1.312 s1.308 s1.305 s20 ms1.51 %
First Contentful Paint 1.288 s 1.280 s 1.308 s 1.336 s 1.312 s1.308 s1.305 s20 ms1.51 %
Largest Contentful Paint 1.288 s 1.280 s 1.308 s 1.336 s 1.312 s1.308 s1.305 s20 ms1.51 %
Load Event End 1.959 s 2.740 s 2.018 s 1.983 s 2.012 s2.012 s2.142 s300 ms13.98 %
Server Response Time 518 ms 518 ms 518 ms 520 ms 519 ms518 ms519 ms1 ms0.15 %
TTFB 487 ms 504 ms 504 ms 504 ms 504 ms504 ms501 ms7 ms1.36 %
Page Load Time 1.959 s 2.739 s 2.018 s 1.983 s 2.012 s2.012 s2.142 s299 ms13.96 %
First Visual Change 1.300 s 1.266 s 1.300 s 1.333 s 1.300 s1.300 s1.300 s21 ms1.63 %
Last Visual Change 2.533 s 2.666 s 2.566 s 2.666 s 2.566 s2.566 s2.599 s56 ms2.14 %
Speed Index 1.330 s 1.304 s 1.333 s 1.364 s 1.331 s1.331 s1.332 s19 ms1.43 %
Visual Readiness 1.233 s 1.400 s 1.266 s 1.333 s 1.266 s1.266 s1.300 s60 ms4.60 %
Visual Complete 95 1.333 s 1.333 s 1.400 s 1.366 s 1.333 s1.333 s1.353 s27 ms1.98 %
Visual Complete 99 2.500 s 2.566 s 2.566 s 2.566 s 2.533 s2.566 s2.546 s26 ms1.04 %
CPU metrics
Total Blocking Time 264 ms 230 ms 221 ms 221 ms 230 ms230 ms233 ms16 ms6.83 %
Max Potential FID 146 ms 136 ms 142 ms 138 ms 136 ms138 ms140 ms4 ms2.78 %
Number of Long Tasks 5 6 5 6 55509.07 %
Total Duration of Long Tasks 837 ms 849 ms 813 ms 869 ms 822 ms837 ms838 ms20 ms2.37 %
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 20855 20856 20855 20856 20855208552085500.00 %
Document height 41419 41419 41419 41419 41419414194141900.00 %
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 MB7 B0.00 %
HTML Transfer Size 243.3 KB 243.3 KB 243.3 KB 243.3 KB 243.3 KB243.3 KB243.3 KB0 b0.00 %
JavaScript Transfer Size 367.4 KB 367.4 KB 367.4 KB 367.4 KB 367.4 KB367.4 KB367.4 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 28.9 KB 28.9 KB 28.9 KB 28.9 KB 28.9 KB28.9 KB28.9 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 530.9 KB 530.9 KB 530.9 KB 530.9 KB 530.9 KB530.9 KB530.9 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 MB7 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 %