Metrics per run

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

Tested 2025-06-18 11:33:57 using Chrome 137.0.7151.55 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 420 ms 419 ms 435 ms 419 ms 419 ms419 ms422 ms6 ms1.49 %
First Contentful Paint 1.388 s 1.392 s 1.388 s 1.380 s 1.376 s1.388 s1.385 s6 ms0.42 %
Largest Contentful Paint 1.388 s 1.392 s 1.388 s 1.380 s 1.376 s1.388 s1.385 s6 ms0.42 %
Total Blocking Time 292 ms 292 ms 280 ms 295 ms 295 ms292 ms291 ms6 ms1.91 %
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
Timing metrics
First Paint 1.388 s 1.392 s 1.388 s 1.380 s 1.376 s1.388 s1.385 s6 ms0.42 %
First Contentful Paint 1.388 s 1.392 s 1.388 s 1.380 s 1.376 s1.388 s1.385 s6 ms0.42 %
Largest Contentful Paint 1.388 s 1.392 s 1.388 s 1.380 s 1.376 s1.388 s1.385 s6 ms0.42 %
Load Event End 1.947 s 1.859 s 1.863 s 1.948 s 1.846 s1.863 s1.893 s45 ms2.39 %
Server Response Time 564 ms 564 ms 564 ms 567 ms 564 ms564 ms565 ms1 ms0.21 %
TTFB 420 ms 419 ms 435 ms 419 ms 419 ms419 ms422 ms6 ms1.49 %
Page Load Time 1.947 s 1.859 s 1.863 s 1.948 s 1.846 s1.863 s1.893 s45 ms2.39 %
First Visual Change 1.400 s 1.400 s 1.400 s 1.366 s 1.366 s1.400 s1.386 s17 ms1.20 %
Last Visual Change 2.733 s 2.633 s 2.633 s 2.733 s 2.633 s2.633 s2.673 s49 ms1.83 %
Speed Index 1.579 s 1.562 s 1.561 s 1.549 s 1.537 s1.561 s1.558 s14 ms0.90 %
Visual Readiness 1.333 s 1.233 s 1.233 s 1.367 s 1.267 s1.267 s1.287 s54 ms4.22 %
Visual Complete 95 2.733 s 2.633 s 2.633 s 2.733 s 2.633 s2.633 s2.673 s49 ms1.83 %
Visual Complete 99 2.733 s 2.633 s 2.633 s 2.733 s 2.633 s2.633 s2.673 s49 ms1.83 %
CPU metrics
Total Blocking Time 292 ms 292 ms 280 ms 295 ms 295 ms292 ms291 ms6 ms1.91 %
Max Potential FID 158 ms 165 ms 157 ms 173 ms 157 ms158 ms162 ms6 ms3.86 %
Number of Long Tasks 5 6 5 5 55507.69 %
Total Duration of Long Tasks 927 ms 976 ms 896 ms 914 ms 917 ms917 ms926 ms27 ms2.91 %
Browser metrics
CPU benchmark score 40 ms 41 ms 51 ms 42 ms 41 ms41 ms43 ms4 ms9.42 %
Page metrics
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
DOM elements 22614 22614 22614 22614 22614226142261400.00 %
Document height 45944 45944 45944 45944 45944459444594400.00 %
Total Requests 64 64 64 64 64646400.00 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB74 B0.01 %
HTML Transfer Size 265.7 KB 265.7 KB 265.7 KB 265.7 KB 265.7 KB265.7 KB265.7 KB0 b0.00 %
JavaScript Transfer Size 284.4 KB 284.4 KB 284.4 KB 284.4 KB 284.4 KB284.4 KB284.4 KB0 b0.00 %
CSS Transfer Size 26.5 KB 26.5 KB 26.5 KB 26.5 KB 26.5 KB26.5 KB26.5 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 34.6 KB 34.8 KB 34.8 KB 34.8 KB 34.8 KB34.8 KB34.8 KB72 B0.20 %
Total Content Size 3.4 MB 3.4 MB 3.4 MB 3.4 MB 3.4 MB3.4 MB3.4 MB0 b0.00 %
HTML Content Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 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 187.4 KB 187.4 KB 187.4 KB 187.4 KB 187.4 KB187.4 KB187.4 KB0 b0.00 %
Image Content Size 510.5 KB 510.5 KB 510.5 KB 510.5 KB 510.5 KB510.5 KB510.5 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 38.3 KB 38.3 KB 38.3 KB 38.3 KB 38.3 KB38.3 KB38.3 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 64 64 64 64 64646400.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB74 B0.01 %
First Party Total Content Size 3.4 MB 3.4 MB 3.4 MB 3.4 MB 3.4 MB3.4 MB3.4 MB0 b0.00 %