Metrics per run

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

Tested 2026-06-18 07:47:50 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 414 ms 418 ms 417 ms 418 ms 420 ms418 ms417 ms2 ms0.47 %
Largest Contentful Paint 2.477 s 2.254 s 2.476 s 2.626 s 2.839 s2.477 s2.534 s193 ms7.62 %
Timing metrics
First Paint 1.376 s 1.457 s 1.418 s 1.459 s 1.457 s1.457 s1.433 s33 ms2.27 %
Largest Contentful Paint 2.477 s 2.254 s 2.476 s 2.626 s 2.839 s2.477 s2.534 s193 ms7.62 %
Load Event End 2.812 s 2.292 s 2.796 s 2.924 s 2.844 s2.812 s2.734 s225 ms8.24 %
Server Response Time 111 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.36 %
TTFB 414 ms 418 ms 417 ms 418 ms 420 ms418 ms417 ms2 ms0.47 %
Page Load Time 2.812 s 2.292 s 2.796 s 2.924 s 2.844 s2.812 s2.734 s225 ms8.24 %
First Visual Change 1.433 s 1.533 s 1.467 s 1.500 s 1.500 s1.500 s1.487 s34 ms2.28 %
Last Visual Change 4.333 s 4.500 s 4.333 s 4.433 s 4.600 s4.433 s4.440 s102 ms2.30 %
Speed Index 1.786 s 1.908 s 1.858 s 1.911 s 1.901 s1.901 s1.873 s47 ms2.53 %
Visual Readiness 2.900 s 2.967 s 2.866 s 2.933 s 3.100 s2.933 s2.953 s81 ms2.73 %
Visual Complete 95 3.300 s 3.500 s 3.333 s 3.433 s 3.500 s3.433 s3.413 s83 ms2.44 %
Visual Complete 99 3.300 s 3.500 s 3.333 s 3.433 s 3.500 s3.433 s3.413 s83 ms2.44 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 77 ms 78 ms77 ms77 ms0 ms0.52 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 66 66 67 67 67676700.74 %
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 MB283 B0.02 %
HTML Transfer Size 265.3 KB 265.3 KB 265.3 KB 265.3 KB 265.3 KB265.3 KB265.3 KB0 b0.00 %
JavaScript Transfer Size 309.7 KB 309.7 KB 309.7 KB 309.7 KB 309.7 KB309.7 KB309.7 KB1 B0.00 %
CSS Transfer Size 28.2 KB 28.2 KB 28.2 KB 28.2 KB 28.2 KB28.2 KB28.2 KB1 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 %
Plain Transfer Size 973 B 973 B 973 B 973 B 973 B973 B973 B0 b0.00 %
SVG Transfer Size 88.8 KB 88.8 KB 89.0 KB 89.0 KB 89.0 KB89.0 KB88.9 KB93 B0.10 %
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 66 66 67 67 67676700.74 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB283 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %