Metrics per run

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

Tested 2025-04-05 17:57:19 using Firefox 136.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 502 ms 496 ms 496 ms 496 ms 515 ms496 ms501 ms7 ms1.47 %
First Contentful Paint 948 ms 931 ms 948 ms 948 ms 966 ms948 ms948 ms11 ms1.17 %
Largest Contentful Paint 2.169 s 2.012 s 2.017 s 2.137 s 2.050 s2.050 s2.077 s64 ms3.09 %
Timing metrics
First Paint 1.331 s 1.333 s 1.320 s 1.326 s 1.349 s1.331 s1.332 s10 ms0.73 %
First Contentful Paint 948 ms 931 ms 948 ms 948 ms 966 ms948 ms948 ms11 ms1.17 %
Largest Contentful Paint 2.169 s 2.012 s 2.017 s 2.137 s 2.050 s2.050 s2.077 s64 ms3.09 %
Load Event End 2.615 s 2.633 s 2.636 s 2.707 s 2.667 s2.636 s2.652 s32 ms1.22 %
Server Response Time 194 ms 194 ms 193 ms 194 ms 194 ms194 ms194 ms0 ms0.21 %
TTFB 502 ms 496 ms 496 ms 496 ms 515 ms496 ms501 ms7 ms1.47 %
Page Load Time 2.615 s 2.633 s 2.636 s 2.707 s 2.666 s2.636 s2.651 s32 ms1.22 %
First Visual Change 1.400 s 1.400 s 1.366 s 1.400 s 1.400 s1.400 s1.393 s14 ms0.98 %
Last Visual Change 3.633 s 3.633 s 3.666 s 3.566 s 3.666 s3.633 s3.633 s37 ms1.01 %
Speed Index 1.480 s 1.477 s 1.450 s 1.478 s 1.481 s1.478 s1.473 s12 ms0.79 %
Visual Readiness 2.233 s 2.233 s 2.300 s 2.166 s 2.266 s2.233 s2.240 s44 ms1.98 %
Visual Complete 95 2.033 s 1.966 s 1.966 s 2.000 s 2.000 s2.000 s1.993 s25 ms1.26 %
Visual Complete 99 2.433 s 2.433 s 2.433 s 2.433 s 2.466 s2.433 s2.440 s13 ms0.54 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 52 ms 51 ms 51 ms 54 ms51 ms52 ms1 ms2.25 %
Page metrics
DOM elements 22630 22630 22630 22630 22630226302263000.00 %
Document height 51653 51653 51653 51653 51653516535165300.00 %
Total Requests 64 64 64 64 64646400.00 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB1 B0.00 %
HTML Transfer Size 266.5 KB 266.5 KB 266.5 KB 266.5 KB 266.5 KB266.5 KB266.5 KB0 b0.00 %
JavaScript Transfer Size 286.5 KB 286.5 KB 286.5 KB 286.5 KB 286.5 KB286.5 KB286.5 KB0 b0.00 %
CSS Transfer Size 26.4 KB 26.4 KB 26.4 KB 26.4 KB 26.4 KB26.4 KB26.4 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 32.1 KB 32.1 KB 32.1 KB 32.1 KB 32.1 KB32.1 KB32.1 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 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 MB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %