Metrics per run

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

Tested 2026-06-06 06:05:40 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 408 ms 407 ms 408 ms 408 ms408 ms408 ms0 ms0.12 %
Largest Contentful Paint 2.567 s 2.425 s 2.570 s 2.339 s 2.565 s2.565 s2.493 s95 ms3.80 %
Timing metrics
First Paint 1.370 s 1.416 s 1.408 s 1.377 s 1.400 s1.400 s1.394 s18 ms1.28 %
Largest Contentful Paint 2.567 s 2.425 s 2.570 s 2.339 s 2.565 s2.565 s2.493 s95 ms3.80 %
Load Event End 2.576 s 2.663 s 2.583 s 2.553 s 2.877 s2.583 s2.650 s119 ms4.50 %
Server Response Time 107 ms 106 ms 107 ms 106 ms 107 ms107 ms107 ms0 ms0.46 %
TTFB 407 ms 408 ms 407 ms 408 ms 408 ms408 ms408 ms0 ms0.12 %
Page Load Time 2.576 s 2.662 s 2.583 s 2.553 s 2.877 s2.583 s2.650 s119 ms4.50 %
First Visual Change 1.433 s 1.467 s 1.467 s 1.433 s 1.433 s1.433 s1.447 s17 ms1.15 %
Last Visual Change 3.900 s 4.000 s 3.900 s 4.100 s 4.367 s4.000 s4.053 s173 ms4.28 %
Speed Index 1.735 s 1.769 s 1.766 s 1.761 s 1.790 s1.766 s1.764 s18 ms1.00 %
Visual Readiness 2.467 s 2.533 s 2.433 s 2.667 s 2.934 s2.533 s2.607 s182 ms6.99 %
Visual Complete 95 2.867 s 2.967 s 2.867 s 3.033 s 3.267 s2.967 s3.000 s148 ms4.92 %
Visual Complete 99 2.867 s 2.967 s 2.867 s 3.033 s 3.267 s2.967 s3.000 s148 ms4.92 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 78 ms 77 ms 77 ms77 ms77 ms0 ms0.52 %
Page metrics
DOM elements 22242 22242 22242 22242 22242222422224200.00 %
Document height 50659 50659 50659 50658 50658506595065900.00 %
Total Requests 66 65 66 66 65666600.75 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB4 B0.00 %
HTML Transfer Size 265.0 KB 265.0 KB 265.0 KB 265.0 KB 265.0 KB265.0 KB265.0 KB0 b0.00 %
JavaScript Transfer Size 310.9 KB 310.9 KB 310.9 KB 310.9 KB 310.9 KB310.9 KB310.9 KB1 B0.00 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 88.8 KB 88.8 KB 88.8 KB 88.8 KB 88.8 KB88.8 KB88.8 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 66 65 66 66 65666600.75 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB4 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %