Metrics per run

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

Tested 2025-08-27 08:53:39 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 675 ms 515 ms 631 ms 708 ms 517 ms631 ms609 ms80 ms13.12 %
First Contentful Paint 1.118 s 931 ms 1.101 s 1.168 s 1.101 s1.101 s1.084 s80 ms7.40 %
Largest Contentful Paint 2.526 s 2.932 s 2.263 s 2.547 s 2.084 s2.526 s2.470 s288 ms11.65 %
Timing metrics
First Paint 1.446 s 1.258 s 1.436 s 1.478 s 1.423 s1.436 s1.408 s77 ms5.49 %
First Contentful Paint 1.118 s 931 ms 1.101 s 1.168 s 1.101 s1.101 s1.084 s80 ms7.40 %
Largest Contentful Paint 2.526 s 2.932 s 2.263 s 2.547 s 2.084 s2.526 s2.470 s288 ms11.65 %
Load Event End 3.371 s 2.939 s 3.380 s 3.585 s 3.136 s3.371 s3.282 s223 ms6.79 %
Server Response Time 240 ms 194 ms 244 ms 229 ms 196 ms229 ms221 ms21 ms9.74 %
TTFB 675 ms 515 ms 631 ms 708 ms 517 ms631 ms609 ms80 ms13.12 %
Page Load Time 3.370 s 2.938 s 3.380 s 3.585 s 3.135 s3.370 s3.282 s223 ms6.80 %
First Visual Change 1.533 s 1.300 s 1.500 s 1.533 s 1.466 s1.500 s1.466 s87 ms5.92 %
Last Visual Change 4.533 s 4.100 s 4.566 s 4.533 s 4.333 s4.533 s4.413 s177 ms4.01 %
Speed Index 1.692 s 1.487 s 1.626 s 1.663 s 1.551 s1.626 s1.604 s75 ms4.68 %
Visual Readiness 3.000 s 2.800 s 3.066 s 3.000 s 2.867 s3.000 s2.947 s98 ms3.32 %
Visual Complete 95 2.533 s 2.600 s 2.233 s 2.300 s 2.033 s2.300 s2.340 s206 ms8.80 %
Visual Complete 99 3.100 s 2.933 s 3.100 s 3.066 s 3.166 s3.100 s3.073 s77 ms2.51 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 51 ms 53 ms 51 ms 52 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 MB1 B0.00 %
HTML Transfer Size 243.8 KB 243.8 KB 243.8 KB 243.8 KB 243.8 KB243.8 KB243.8 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 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 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 MB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %