Metrics per run

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

Tested 2026-06-19 07:01:25 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 417 ms 421 ms 419 ms 415 ms417 ms418 ms2 ms0.52 %
Largest Contentful Paint 2.758 s 2.791 s 1.695 s 2.627 s 2.725 s2.725 s2.519 s416 ms16.50 %
Timing metrics
First Paint 1.472 s 1.464 s 1.458 s 1.506 s 1.455 s1.464 s1.471 s18 ms1.25 %
Largest Contentful Paint 2.758 s 2.791 s 1.695 s 2.627 s 2.725 s2.725 s2.519 s416 ms16.50 %
Load Event End 2.763 s 2.796 s 2.282 s 2.933 s 2.731 s2.763 s2.701 s221 ms8.16 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 416 ms 417 ms 421 ms 419 ms 415 ms417 ms418 ms2 ms0.52 %
Page Load Time 2.763 s 2.796 s 2.281 s 2.933 s 2.731 s2.763 s2.701 s221 ms8.18 %
First Visual Change 1.500 s 1.500 s 1.533 s 1.533 s 1.500 s1.500 s1.513 s16 ms1.07 %
Last Visual Change 4.300 s 4.300 s 4.467 s 4.400 s 4.267 s4.300 s4.347 s75 ms1.72 %
Speed Index 1.869 s 1.877 s 1.837 s 1.906 s 1.871 s1.871 s1.872 s22 ms1.17 %
Visual Readiness 2.800 s 2.800 s 2.934 s 2.867 s 2.767 s2.800 s2.834 s60 ms2.11 %
Visual Complete 95 3.300 s 3.333 s 3.400 s 3.333 s 3.267 s3.333 s3.327 s44 ms1.33 %
Visual Complete 99 3.300 s 3.333 s 3.400 s 3.333 s 3.267 s3.333 s3.327 s44 ms1.33 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 80 ms 77 ms77 ms78 ms1 ms1.55 %
Page metrics
DOM elements 22310 22310 22310 22310 22310223102231000.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 66 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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB2.0 KB0.14 %
HTML Transfer Size 265.7 KB 265.8 KB 265.7 KB 265.7 KB 265.8 KB265.7 KB265.7 KB36 B0.01 %
JavaScript Transfer Size 311.4 KB 311.8 KB 311.4 KB 311.4 KB 311.8 KB311.4 KB311.5 KB218 B0.07 %
CSS Transfer Size 28.8 KB 29.0 KB 28.8 KB 28.8 KB 29.0 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 2.0 KB 2.1 KB 2.0 KB 2.0 KB 2.1 KB2.0 KB2.0 KB36 B1.75 %
Plain Transfer Size 973 B 1.0 KB 973 B 973 B 1.0 KB973 B1003 B36 B3.62 %
SVG Transfer Size 89.5 KB 90.7 KB 89.5 KB 89.5 KB 90.8 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 66 67676700.60 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB2.0 KB0.14 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %