Metrics per run

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

Tested 2025-09-17 18:09:58 using Chrome 140.0.7339.80 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 488 ms 487 ms 504 ms 488 ms 486 ms488 ms491 ms7 ms1.37 %
First Contentful Paint 1.360 s 1.292 s 1.328 s 1.328 s 1.292 s1.328 s1.320 s26 ms1.95 %
Largest Contentful Paint 1.360 s 1.292 s 1.328 s 1.328 s 1.292 s1.328 s1.320 s26 ms1.95 %
Interaction to Next Paint 856 ms 792 ms 808 ms 824 ms 792 ms808 ms814 ms24 ms2.94 %
Total Blocking Time 221 ms 272 ms 230 ms 283 ms 243 ms243 ms250 ms24 ms9.58 %
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0320.0320.03200.00 %
Timing metrics
First Paint 1.360 s 1.292 s 1.328 s 1.328 s 1.292 s1.328 s1.320 s26 ms1.95 %
First Contentful Paint 1.360 s 1.292 s 1.328 s 1.328 s 1.292 s1.328 s1.320 s26 ms1.95 %
Largest Contentful Paint 1.360 s 1.292 s 1.328 s 1.328 s 1.292 s1.328 s1.320 s26 ms1.95 %
Load Event End 2.949 s 2.745 s 2.742 s 2.670 s 2.735 s2.742 s2.768 s95 ms3.41 %
Server Response Time 525 ms 519 ms 520 ms 519 ms 519 ms519 ms520 ms2 ms0.45 %
TTFB 488 ms 487 ms 504 ms 488 ms 486 ms488 ms491 ms7 ms1.37 %
Page Load Time 2.948 s 2.745 s 2.741 s 2.670 s 2.735 s2.741 s2.768 s94 ms3.40 %
First Visual Change 1.333 s 1.300 s 1.333 s 1.333 s 1.300 s1.333 s1.320 s16 ms1.22 %
Last Visual Change 2.666 s 2.800 s 2.800 s 2.700 s 2.766 s2.766 s2.746 s54 ms1.98 %
Speed Index 1.499 s 1.476 s 1.508 s 1.495 s 1.475 s1.495 s1.491 s13 ms0.87 %
Visual Readiness 1.333 s 1.500 s 1.467 s 1.367 s 1.466 s1.466 s1.427 s65 ms4.53 %
Visual Complete 95 2.666 s 2.800 s 2.800 s 2.700 s 2.766 s2.766 s2.746 s54 ms1.98 %
Visual Complete 99 2.666 s 2.800 s 2.800 s 2.700 s 2.766 s2.766 s2.746 s54 ms1.98 %
CPU metrics
Total Blocking Time 221 ms 272 ms 230 ms 283 ms 243 ms243 ms250 ms24 ms9.58 %
Max Potential FID 162 ms 144 ms 144 ms 153 ms 140 ms144 ms149 ms8 ms5.34 %
Number of Long Tasks 5 6 6 6 66606.90 %
Total Duration of Long Tasks 840 ms 891 ms 886 ms 938 ms 877 ms886 ms886 ms31 ms3.54 %
Browser metrics
CPU benchmark score 36 ms 36 ms 33 ms 35 ms 56 ms36 ms39 ms8 ms21.61 %
Page metrics
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0320.0320.03200.00 %
DOM elements 21014 21013 21014 21013 21014210142101400.00 %
Document height 41643 41643 41643 41643 41643416434164300.00 %
Total Requests 67 67 67 67 67676700.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
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 MB2.6 KB0.21 %
HTML Transfer Size 244.7 KB 244.7 KB 244.7 KB 244.7 KB 244.7 KB244.7 KB244.7 KB0 b0.00 %
JavaScript Transfer Size 288.5 KB 288.5 KB 288.5 KB 288.5 KB 288.5 KB288.5 KB288.5 KB2 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 34.4 KB 34.2 KB 34.2 KB 34.2 KB 34.2 KB34.2 KB34.2 KB72 B0.20 %
Total Content Size 3.4 MB 3.4 MB 3.4 MB 3.4 MB 3.4 MB3.4 MB3.4 MB2.4 KB0.07 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
CSS Content Size 191.2 KB 191.2 KB 191.2 KB 191.2 KB 191.2 KB191.2 KB191.2 KB0 b0.00 %
Image Content Size 615.2 KB 609.2 KB 609.2 KB 609.2 KB 609.2 KB609.2 KB610.4 KB2.4 KB0.40 %
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 38.5 KB 38.5 KB 38.5 KB 38.5 KB 38.5 KB38.5 KB38.5 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 67 67 67 67 67676700.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2.6 KB0.21 %
First Party Total Content Size 3.4 MB 3.4 MB 3.4 MB 3.4 MB 3.4 MB3.4 MB3.4 MB2.4 KB0.07 %