Metrics per run

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

Tested 2025-04-05 20:56:58 using Firefox 136.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 497 ms 496 ms 519 ms 513 ms 517 ms513 ms508 ms10 ms1.95 %
First Contentful Paint 948 ms 949 ms 966 ms 966 ms 966 ms966 ms959 ms9 ms0.89 %
Largest Contentful Paint 1.915 s 1.995 s 1.999 s 2.150 s 2.046 s1.999 s2.021 s77 ms3.81 %
Timing metrics
First Paint 1.325 s 1.327 s 1.355 s 1.358 s 1.367 s1.355 s1.346 s17 ms1.27 %
First Contentful Paint 948 ms 949 ms 966 ms 966 ms 966 ms966 ms959 ms9 ms0.89 %
Largest Contentful Paint 1.915 s 1.995 s 1.999 s 2.150 s 2.046 s1.999 s2.021 s77 ms3.81 %
Load Event End 1.940 s 1.938 s 2.618 s 2.619 s 1.991 s1.991 s2.221 s325 ms14.63 %
Server Response Time 195 ms 195 ms 194 ms 194 ms 194 ms194 ms194 ms0 ms0.25 %
TTFB 497 ms 496 ms 519 ms 513 ms 517 ms513 ms508 ms10 ms1.95 %
Page Load Time 1.940 s 1.938 s 2.618 s 2.619 s 1.991 s1.991 s2.221 s325 ms14.63 %
First Visual Change 1.400 s 1.400 s 1.400 s 1.433 s 1.433 s1.400 s1.413 s16 ms1.14 %
Last Visual Change 3.600 s 3.566 s 3.666 s 3.666 s 3.633 s3.633 s3.626 s39 ms1.07 %
Speed Index 1.473 s 1.470 s 1.481 s 1.510 s 1.506 s1.481 s1.488 s17 ms1.13 %
Visual Readiness 2.200 s 2.166 s 2.266 s 2.233 s 2.200 s2.200 s2.213 s34 ms1.53 %
Visual Complete 95 1.900 s 1.900 s 2.000 s 2.000 s 1.966 s1.966 s1.953 s45 ms2.31 %
Visual Complete 99 2.433 s 2.433 s 2.433 s 2.433 s 2.500 s2.433 s2.446 s27 ms1.10 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 51 ms 51 ms 52 ms52 ms52 ms0 ms0.95 %
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 266.4 KB 266.4 KB 266.4 KB 266.4 KB 266.4 KB266.4 KB266.4 KB0 b0.00 %
JavaScript Transfer Size 286.6 KB 286.6 KB 286.5 KB 286.6 KB 286.6 KB286.6 KB286.6 KB0 b0.00 %
CSS Transfer Size 26.4 KB 26.4 KB 26.4 KB 26.4 KB 26.4 KB26.4 KB26.4 KB1 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 %