Metrics per run

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

Tested 2026-06-17 11:43:33 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 417 ms 417 ms 420 ms 421 ms417 ms418 ms2 ms0.42 %
Largest Contentful Paint 2.593 s 2.407 s 2.558 s 2.794 s 2.584 s2.584 s2.587 s123 ms4.77 %
Timing metrics
First Paint 1.459 s 1.417 s 1.429 s 1.403 s 1.422 s1.422 s1.426 s19 ms1.30 %
Largest Contentful Paint 2.593 s 2.407 s 2.558 s 2.794 s 2.584 s2.584 s2.587 s123 ms4.77 %
Load Event End 2.922 s 2.756 s 2.902 s 2.801 s 2.877 s2.877 s2.852 s63 ms2.21 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 417 ms 417 ms 417 ms 420 ms 421 ms417 ms418 ms2 ms0.42 %
Page Load Time 2.921 s 2.756 s 2.902 s 2.801 s 2.877 s2.877 s2.851 s63 ms2.20 %
First Visual Change 1.500 s 1.467 s 1.500 s 1.433 s 1.467 s1.467 s1.473 s25 ms1.70 %
Last Visual Change 4.367 s 4.267 s 4.433 s 4.333 s 4.667 s4.367 s4.413 s138 ms3.12 %
Speed Index 1.887 s 1.838 s 1.875 s 1.808 s 1.870 s1.870 s1.856 s29 ms1.55 %
Visual Readiness 2.867 s 2.800 s 2.933 s 2.900 s 3.200 s2.900 s2.940 s137 ms4.67 %
Visual Complete 95 3.300 s 3.267 s 3.433 s 3.333 s 3.533 s3.333 s3.373 s97 ms2.89 %
Visual Complete 99 3.300 s 3.267 s 3.433 s 3.333 s 3.533 s3.333 s3.373 s97 ms2.89 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 86 ms 80 ms 80 ms 77 ms80 ms80 ms3 ms4.11 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 69 67 67 67676711.19 %
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 MB1.7 KB0.12 %
HTML Transfer Size 265.3 KB 265.4 KB 265.3 KB 265.4 KB 265.4 KB265.4 KB265.4 KB36 B0.01 %
JavaScript Transfer Size 308.8 KB 309.3 KB 308.8 KB 309.3 KB 309.3 KB309.3 KB309.1 KB218 B0.07 %
CSS Transfer Size 28.2 KB 28.3 KB 28.2 KB 28.3 KB 28.3 KB28.3 KB28.3 KB73 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.0 KB 2.1 KB 2.1 KB2.1 KB2.0 KB36 B1.74 %
Plain Transfer Size 973 B 2.9 KB 973 B 1.0 KB 1.0 KB1.0 KB1.4 KB794 B56.44 %
SVG Transfer Size 89.1 KB 90.4 KB 88.9 KB 90.3 KB 90.4 KB90.3 KB89.8 KB702 B0.76 %
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 %
Plain 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 67 69 67 67 67676711.19 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1.7 KB0.12 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %