Metrics per run

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

Tested 2026-06-19 03:13:46 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 421 ms 417 ms 421 ms 417 ms 415 ms417 ms418 ms2 ms0.57 %
Largest Contentful Paint 2.780 s 2.862 s 2.797 s 2.530 s 2.641 s2.780 s2.722 s120 ms4.41 %
Timing metrics
First Paint 1.480 s 1.388 s 1.453 s 1.471 s 1.379 s1.453 s1.434 s42 ms2.96 %
Largest Contentful Paint 2.780 s 2.862 s 2.797 s 2.530 s 2.641 s2.780 s2.722 s120 ms4.41 %
Load Event End 2.785 s 2.867 s 2.802 s 2.826 s 2.646 s2.802 s2.785 s75 ms2.69 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 421 ms 417 ms 421 ms 417 ms 415 ms417 ms418 ms2 ms0.57 %
Page Load Time 2.785 s 2.867 s 2.801 s 2.826 s 2.646 s2.801 s2.785 s75 ms2.69 %
First Visual Change 1.533 s 1.433 s 1.500 s 1.500 s 1.433 s1.500 s1.480 s40 ms2.71 %
Last Visual Change 4.333 s 4.333 s 4.300 s 4.533 s 4.167 s4.333 s4.333 s117 ms2.70 %
Speed Index 1.899 s 1.798 s 1.865 s 1.911 s 1.828 s1.865 s1.860 s42 ms2.28 %
Visual Readiness 2.800 s 2.900 s 2.800 s 3.033 s 2.734 s2.800 s2.853 s104 ms3.66 %
Visual Complete 95 3.300 s 3.267 s 3.300 s 3.500 s 3.167 s3.300 s3.307 s108 ms3.27 %
Visual Complete 99 3.300 s 3.267 s 3.300 s 3.500 s 3.167 s3.300 s3.307 s108 ms3.27 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 79 ms 78 ms 79 ms 77 ms79 ms78 ms1 ms1.02 %
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 MB2.8 KB0.20 %
HTML Transfer Size 265.8 KB 265.7 KB 265.8 KB 265.7 KB 265.7 KB265.7 KB265.7 KB36 B0.01 %
JavaScript Transfer Size 311.8 KB 311.4 KB 311.8 KB 311.3 KB 311.4 KB311.4 KB311.5 KB217 B0.07 %
CSS Transfer Size 29.0 KB 28.8 KB 29.0 KB 28.8 KB 28.8 KB28.8 KB28.9 KB73 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 2.0 KB 2.1 KB 2.0 KB 2.0 KB2.0 KB2.0 KB36 B1.75 %
Plain Transfer Size 1.0 KB 973 B 1.0 KB 973 B 973 B973 B1003 B36 B3.62 %
SVG Transfer Size 90.8 KB 89.5 KB 90.8 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 MB2.8 KB0.20 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %