Metrics per run

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

Tested 2026-06-19 14:36:31 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 417 ms 920 ms 439 ms 418 ms418 ms522 ms199 ms38.12 %
Largest Contentful Paint 2.795 s 2.368 s 2.626 s 2.610 s 2.236 s2.610 s2.527 s199 ms7.88 %
Timing metrics
First Paint 1.448 s 1.479 s 1.792 s 1.458 s 1.377 s1.458 s1.511 s145 ms9.58 %
Largest Contentful Paint 2.795 s 2.368 s 2.626 s 2.610 s 2.236 s2.610 s2.527 s199 ms7.88 %
Load Event End 2.799 s 2.299 s 2.777 s 2.922 s 2.171 s2.777 s2.594 s300 ms11.55 %
Server Response Time 112 ms 112 ms 615 ms 112 ms 112 ms112 ms213 ms201 ms94.64 %
TTFB 417 ms 417 ms 920 ms 439 ms 418 ms418 ms522 ms199 ms38.12 %
Page Load Time 2.799 s 2.299 s 2.776 s 2.922 s 2.170 s2.776 s2.593 s300 ms11.56 %
First Visual Change 1.500 s 1.533 s 1.833 s 1.500 s 1.433 s1.500 s1.560 s140 ms9.00 %
Last Visual Change 4.333 s 4.467 s 4.967 s 4.367 s 4.333 s4.367 s4.493 s242 ms5.38 %
Speed Index 1.886 s 1.899 s 2.239 s 1.889 s 1.805 s1.889 s1.944 s151 ms7.79 %
Visual Readiness 2.833 s 2.934 s 3.134 s 2.867 s 2.900 s2.900 s2.934 s106 ms3.60 %
Visual Complete 95 3.333 s 3.400 s 3.933 s 3.300 s 3.300 s3.333 s3.453 s243 ms7.03 %
Visual Complete 99 3.333 s 3.400 s 3.933 s 3.300 s 3.300 s3.333 s3.453 s243 ms7.03 %
CPU metrics
Browser metrics
CPU benchmark score 81 ms 77 ms 79 ms 77 ms 79 ms79 ms79 ms1 ms1.90 %
Page metrics
DOM elements 22310 22310 22310 22310 22310223102231000.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 67 67676700.00 %
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 MB910 B0.06 %
HTML Transfer Size 265.7 KB 265.7 KB 265.8 KB 265.7 KB 265.6 KB265.7 KB265.7 KB50 B0.02 %
JavaScript Transfer Size 311.8 KB 311.8 KB 311.8 KB 311.8 KB 311.3 KB311.8 KB311.7 KB185 B0.06 %
CSS Transfer Size 29.0 KB 29.0 KB 29.0 KB 29.0 KB 28.8 KB29.0 KB29.0 KB62 B0.21 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.1 KB 2.1 KB 2.1 KB 2.0 KB2.1 KB2.1 KB39 B1.84 %
Plain Transfer Size 1.0 KB 1.0 KB 1.0 KB 1.0 KB 973 B1.0 KB1.0 KB30 B2.90 %
SVG Transfer Size 90.8 KB 90.8 KB 90.8 KB 90.7 KB 89.5 KB90.8 KB90.5 KB544 B0.59 %
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 67 67 67 67676700.00 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB910 B0.06 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %