Metrics per run

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

Tested 2026-06-18 15:46:47 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 420 ms 420 ms 417 ms 417 ms417 ms418 ms2 ms0.40 %
Largest Contentful Paint 2.295 s 2.680 s 2.286 s 1.729 s 1.728 s2.286 s2.144 s368 ms17.15 %
Timing metrics
First Paint 1.476 s 1.420 s 1.480 s 1.369 s 1.450 s1.450 s1.439 s41 ms2.85 %
Largest Contentful Paint 2.295 s 2.680 s 2.286 s 1.729 s 1.728 s2.286 s2.144 s368 ms17.15 %
Load Event End 2.959 s 2.685 s 2.930 s 2.703 s 2.231 s2.703 s2.702 s261 ms9.65 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 416 ms 420 ms 420 ms 417 ms 417 ms417 ms418 ms2 ms0.40 %
Page Load Time 2.959 s 2.685 s 2.929 s 2.702 s 2.231 s2.702 s2.701 s261 ms9.65 %
First Visual Change 1.533 s 1.467 s 1.533 s 1.433 s 1.500 s1.500 s1.493 s39 ms2.60 %
Last Visual Change 4.467 s 4.233 s 4.433 s 4.233 s 4.400 s4.400 s4.353 s100 ms2.31 %
Speed Index 1.906 s 1.865 s 1.890 s 1.722 s 1.796 s1.865 s1.836 s68 ms3.71 %
Visual Readiness 2.934 s 2.766 s 2.900 s 2.800 s 2.900 s2.900 s2.860 s65 ms2.27 %
Visual Complete 95 3.467 s 3.233 s 3.400 s 3.233 s 3.300 s3.300 s3.327 s93 ms2.80 %
Visual Complete 99 3.467 s 3.233 s 3.400 s 3.233 s 3.300 s3.300 s3.327 s93 ms2.80 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 77 ms 77 ms 76 ms77 ms77 ms0 ms0.64 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 66 67 67676700.60 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.8 KB0.21 %
HTML Transfer Size 265.4 KB 265.4 KB 265.4 KB 265.3 KB 265.3 KB265.4 KB265.3 KB36 B0.01 %
JavaScript Transfer Size 310.3 KB 310.3 KB 310.3 KB 309.8 KB 309.8 KB310.3 KB310.1 KB216 B0.07 %
CSS Transfer Size 28.3 KB 28.3 KB 28.3 KB 28.2 KB 28.2 KB28.3 KB28.3 KB72 B0.25 %
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 2.0 KB 2.0 KB2.1 KB2.0 KB36 B1.73 %
Plain Transfer Size 1.0 KB 1.0 KB 1.0 KB 973 B 973 B1.0 KB1017 B36 B3.55 %
SVG Transfer Size 90.3 KB 90.3 KB 90.3 KB 89.0 KB 89.0 KB90.3 KB89.8 KB650 B0.71 %
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 66 67 67676700.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.8 KB0.21 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %