Metrics per run

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

Tested 2025-08-27 02:52:44 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 496 ms 579 ms 578 ms 516 ms 576 ms576 ms549 ms36 ms6.50 %
First Contentful Paint 1.135 s 1.000 s 999 ms 1.067 s 999 ms1.000 s1.040 s54 ms5.22 %
Largest Contentful Paint 2.799 s 2.153 s 2.967 s 2.684 s 2.424 s2.684 s2.605 s287 ms11.02 %
Timing metrics
First Paint 1.449 s 1.336 s 1.331 s 1.378 s 1.321 s1.336 s1.363 s47 ms3.46 %
First Contentful Paint 1.135 s 1.000 s 999 ms 1.067 s 999 ms1.000 s1.040 s54 ms5.22 %
Largest Contentful Paint 2.799 s 2.153 s 2.967 s 2.684 s 2.424 s2.684 s2.605 s287 ms11.02 %
Load Event End 3.055 s 3.296 s 3.183 s 2.931 s 3.245 s3.183 s3.142 s133 ms4.22 %
Server Response Time 194 ms 203 ms 195 ms 195 ms 204 ms195 ms198 ms4 ms2.20 %
TTFB 496 ms 579 ms 578 ms 516 ms 576 ms576 ms549 ms36 ms6.50 %
Page Load Time 3.054 s 3.296 s 3.182 s 2.931 s 3.245 s3.182 s3.142 s133 ms4.23 %
First Visual Change 1.500 s 1.400 s 1.367 s 1.433 s 1.400 s1.400 s1.420 s45 ms3.18 %
Last Visual Change 4.533 s 4.233 s 4.133 s 4.400 s 4.400 s4.400 s4.340 s141 ms3.24 %
Speed Index 1.659 s 1.530 s 1.527 s 1.582 s 1.543 s1.543 s1.568 s49 ms3.15 %
Visual Readiness 3.033 s 2.833 s 2.766 s 2.967 s 3.000 s2.967 s2.920 s103 ms3.51 %
Visual Complete 95 2.533 s 2.166 s 2.333 s 2.466 s 2.433 s2.433 s2.386 s128 ms5.35 %
Visual Complete 99 3.067 s 3.100 s 2.967 s 2.933 s 2.933 s2.967 s3.000 s70 ms2.34 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 53 ms 51 ms 52 ms 51 ms52 ms52 ms1 ms1.44 %
Page metrics
DOM elements 20877 20877 20877 20877 20877208772087700.00 %
Document height 45985 45985 45985 45985 45985459854598500.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2 B0.00 %
HTML Transfer Size 243.9 KB 243.9 KB 243.9 KB 243.9 KB 243.9 KB243.9 KB243.9 KB0 b0.00 %
JavaScript Transfer Size 370.1 KB 370.1 KB 370.1 KB 370.1 KB 370.1 KB370.1 KB370.1 KB0 b0.00 %
CSS Transfer Size 27.2 KB 27.2 KB 27.2 KB 27.2 KB 27.2 KB27.2 KB27.2 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 33.0 KB 33.0 KB 33.0 KB 33.0 KB 33.0 KB33.0 KB33.0 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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %