Metrics per run

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

Tested 2025-08-30 08:41:06 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 503 ms 488 ms 487 ms 488 ms 574 ms488 ms508 ms34 ms6.60 %
First Contentful Paint 1.328 s 1.312 s 1.288 s 1.280 s 1.396 s1.312 s1.321 s41 ms3.13 %
Largest Contentful Paint 1.328 s 1.312 s 1.288 s 1.280 s 1.396 s1.312 s1.321 s41 ms3.13 %
Total Blocking Time 240 ms 232 ms 266 ms 221 ms 215 ms232 ms235 ms18 ms7.60 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.328 s 1.312 s 1.288 s 1.280 s 1.396 s1.312 s1.321 s41 ms3.13 %
First Contentful Paint 1.328 s 1.312 s 1.288 s 1.280 s 1.396 s1.312 s1.321 s41 ms3.13 %
Largest Contentful Paint 1.328 s 1.312 s 1.288 s 1.280 s 1.396 s1.312 s1.321 s41 ms3.13 %
Load Event End 2.035 s 2.032 s 2.790 s 2.765 s 2.118 s2.118 s2.348 s352 ms15.00 %
Server Response Time 518 ms 518 ms 520 ms 520 ms 519 ms519 ms519 ms1 ms0.17 %
TTFB 503 ms 488 ms 487 ms 488 ms 574 ms488 ms508 ms34 ms6.60 %
Page Load Time 2.035 s 2.032 s 2.789 s 2.764 s 2.118 s2.118 s2.348 s352 ms14.98 %
First Visual Change 1.333 s 1.300 s 1.300 s 1.266 s 1.400 s1.300 s1.320 s45 ms3.44 %
Last Visual Change 2.600 s 2.700 s 2.733 s 2.700 s 2.666 s2.700 s2.680 s45 ms1.69 %
Speed Index 1.368 s 1.337 s 1.335 s 1.304 s 1.431 s1.337 s1.355 s43 ms3.18 %
Visual Readiness 1.267 s 1.400 s 1.433 s 1.434 s 1.266 s1.400 s1.360 s77 ms5.69 %
Visual Complete 95 1.400 s 1.366 s 1.366 s 1.333 s 1.466 s1.366 s1.386 s45 ms3.26 %
Visual Complete 99 2.566 s 2.600 s 2.633 s 2.600 s 2.633 s2.600 s2.606 s25 ms0.96 %
CPU metrics
Total Blocking Time 240 ms 232 ms 266 ms 221 ms 215 ms232 ms235 ms18 ms7.60 %
Max Potential FID 144 ms 133 ms 156 ms 131 ms 138 ms138 ms140 ms9 ms6.41 %
Number of Long Tasks 5 6 6 6 56608.75 %
Total Duration of Long Tasks 839 ms 880 ms 899 ms 840 ms 790 ms840 ms850 ms38 ms4.44 %
Browser metrics
CPU benchmark score 33 ms 34 ms 36 ms 36 ms 34 ms34 ms35 ms1 ms3.47 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20837 20838 20838 20838 20837208382083800.00 %
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 MB2.4 KB0.19 %
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 MB2.4 KB0.06 %
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 587.9 KB 594.0 KB 594.0 KB 594.0 KB 594.0 KB594.0 KB592.8 KB2.4 KB0.41 %
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 MB2.4 KB0.19 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB2.4 KB0.06 %