Metrics per run

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

Tested 2026-03-27 02:49:20 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 533 ms 409 ms 430 ms 427 ms 530 ms430 ms466 ms54 ms11.62 %
First Contentful Paint 1.339 s 1.226 s 1.240 s 1.239 s 1.314 s1.240 s1.272 s46 ms3.60 %
Largest Contentful Paint 2.019 s 2.135 s 2.220 s 2.135 s 2.203 s2.135 s2.142 s71 ms3.30 %
Timing metrics
First Paint 1.339 s 1.226 s 1.240 s 1.238 s 1.313 s1.240 s1.271 s46 ms3.60 %
First Contentful Paint 1.339 s 1.226 s 1.240 s 1.239 s 1.314 s1.240 s1.272 s46 ms3.60 %
Largest Contentful Paint 2.019 s 2.135 s 2.220 s 2.135 s 2.203 s2.135 s2.142 s71 ms3.30 %
Load Event End 2.536 s 2.449 s 2.577 s 2.413 s 2.515 s2.515 s2.498 s59 ms2.38 %
Server Response Time 104 ms 103 ms 104 ms 104 ms 104 ms104 ms104 ms0 ms0.39 %
TTFB 533 ms 409 ms 430 ms 427 ms 530 ms430 ms466 ms54 ms11.62 %
Page Load Time 2.536 s 2.449 s 2.577 s 2.413 s 2.515 s2.515 s2.498 s59 ms2.38 %
First Visual Change 1.400 s 1.300 s 1.267 s 1.300 s 1.366 s1.300 s1.327 s49 ms3.68 %
Last Visual Change 3.933 s 3.566 s 3.733 s 3.833 s 3.900 s3.833 s3.793 s132 ms3.49 %
Speed Index 1.475 s 1.431 s 1.401 s 1.433 s 1.491 s1.433 s1.446 s33 ms2.25 %
Visual Readiness 2.533 s 2.266 s 2.466 s 2.533 s 2.534 s2.533 s2.466 s104 ms4.20 %
Visual Complete 95 1.900 s 2.133 s 2.200 s 2.133 s 2.200 s2.133 s2.113 s111 ms5.24 %
Visual Complete 99 2.566 s 2.466 s 2.367 s 2.500 s 2.533 s2.500 s2.486 s68 ms2.75 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 77 ms 76 ms 76 ms76 ms76 ms0 ms0.52 %
Page metrics
DOM elements 21565 21565 21565 21565 21565215652156500.00 %
Document height 47533 47533 47533 47533 47533475334753300.00 %
Total Requests 63 63 63 63 63636300.00 %
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 MB3 B0.00 %
HTML Transfer Size 254.2 KB 254.2 KB 254.2 KB 254.2 KB 254.2 KB254.2 KB254.2 KB0 b0.00 %
JavaScript Transfer Size 307.9 KB 307.9 KB 307.9 KB 307.9 KB 307.9 KB307.9 KB307.9 KB0 b0.00 %
CSS Transfer Size 27.8 KB 27.8 KB 27.8 KB 27.8 KB 27.8 KB27.8 KB27.8 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 %
Plain Transfer Size 969 B 973 B 973 B 973 B 969 B973 B971 B2 B0.20 %
SVG Transfer Size 80.5 KB 80.5 KB 80.5 KB 80.5 KB 80.5 KB80.5 KB80.5 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 %
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 63 63 63 63 63636300.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB3 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %