Metrics per run

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

Tested 2026-06-19 10:48:56 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 417 ms 416 ms 414 ms 417 ms416 ms416 ms1 ms0.26 %
Largest Contentful Paint 2.842 s 2.692 s 2.699 s 2.760 s 2.355 s2.699 s2.670 s166 ms6.23 %
Timing metrics
First Paint 1.477 s 1.409 s 1.422 s 1.468 s 1.475 s1.468 s1.450 s29 ms1.98 %
Largest Contentful Paint 2.842 s 2.692 s 2.699 s 2.760 s 2.355 s2.699 s2.670 s166 ms6.23 %
Load Event End 2.847 s 2.697 s 2.705 s 2.767 s 3.047 s2.767 s2.813 s129 ms4.58 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 416 ms 417 ms 416 ms 414 ms 417 ms416 ms416 ms1 ms0.26 %
Page Load Time 2.847 s 2.697 s 2.704 s 2.767 s 3.046 s2.767 s2.812 s129 ms4.58 %
First Visual Change 1.533 s 1.467 s 1.467 s 1.500 s 1.533 s1.500 s1.500 s30 ms1.97 %
Last Visual Change 4.367 s 4.233 s 4.467 s 4.300 s 4.833 s4.367 s4.440 s211 ms4.76 %
Speed Index 1.917 s 1.866 s 1.890 s 1.877 s 1.948 s1.890 s1.900 s30 ms1.56 %
Visual Readiness 2.834 s 2.766 s 3.000 s 2.800 s 3.300 s2.834 s2.940 s197 ms6.71 %
Visual Complete 95 3.367 s 3.233 s 3.400 s 3.333 s 3.700 s3.367 s3.407 s157 ms4.61 %
Visual Complete 99 3.367 s 3.233 s 3.400 s 3.333 s 3.700 s3.367 s3.407 s157 ms4.61 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 79 ms 80 ms 79 ms 77 ms79 ms79 ms1 ms1.39 %
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 MB1.1 KB0.07 %
HTML Transfer Size 265.7 KB 265.7 KB 265.6 KB 265.6 KB 265.6 KB265.6 KB265.7 KB36 B0.01 %
JavaScript Transfer Size 311.8 KB 311.8 KB 311.4 KB 311.4 KB 311.4 KB311.4 KB311.5 KB217 B0.07 %
CSS Transfer Size 29.0 KB 29.0 KB 28.8 KB 28.8 KB 28.8 KB28.8 KB28.9 KB72 B0.24 %
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 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB36 B1.75 %
Plain Transfer Size 1.0 KB 1.0 KB 973 B 973 B 973 B973 B1003 B36 B3.62 %
SVG Transfer Size 90.8 KB 90.8 KB 89.5 KB 89.5 KB 89.5 KB89.5 KB90.0 KB653 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 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 MB1.1 KB0.07 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %