Metrics per run

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

Tested 2026-06-19 18:24:44 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 419 ms 419 ms 446 ms 416 ms419 ms424 ms11 ms2.66 %
Largest Contentful Paint 2.615 s 2.293 s 2.601 s 2.313 s 2.203 s2.313 s2.405 s170 ms7.06 %
Timing metrics
First Paint 1.369 s 1.465 s 1.471 s 1.473 s 1.488 s1.471 s1.453 s43 ms2.94 %
Largest Contentful Paint 2.615 s 2.293 s 2.601 s 2.313 s 2.203 s2.313 s2.405 s170 ms7.06 %
Load Event End 2.620 s 2.227 s 2.926 s 2.250 s 2.246 s2.250 s2.454 s278 ms11.33 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 418 ms 419 ms 419 ms 446 ms 416 ms419 ms424 ms11 ms2.66 %
Page Load Time 2.619 s 2.226 s 2.926 s 2.250 s 2.246 s2.250 s2.453 s278 ms11.34 %
First Visual Change 1.400 s 1.500 s 1.500 s 1.500 s 1.533 s1.500 s1.487 s45 ms3.04 %
Last Visual Change 4.433 s 4.400 s 4.433 s 4.400 s 4.400 s4.400 s4.413 s16 ms0.37 %
Speed Index 1.825 s 1.856 s 1.869 s 1.861 s 1.876 s1.861 s1.857 s18 ms0.95 %
Visual Readiness 3.033 s 2.900 s 2.933 s 2.900 s 2.867 s2.900 s2.927 s57 ms1.95 %
Visual Complete 95 3.333 s 3.300 s 3.433 s 3.333 s 3.300 s3.333 s3.340 s49 ms1.46 %
Visual Complete 99 3.333 s 3.300 s 3.433 s 3.333 s 3.300 s3.333 s3.340 s49 ms1.46 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 78 ms 79 ms 80 ms 79 ms79 ms79 ms1 ms0.95 %
Page metrics
DOM elements 22310 22310 22310 22310 22310223102231000.00 %
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 MB1.1 KB0.08 %
HTML Transfer Size 265.6 KB 265.7 KB 265.7 KB 265.7 KB 265.6 KB265.7 KB265.7 KB36 B0.01 %
JavaScript Transfer Size 311.3 KB 311.7 KB 311.7 KB 311.7 KB 311.2 KB311.7 KB311.5 KB222 B0.07 %
CSS Transfer Size 28.8 KB 29.0 KB 29.0 KB 29.0 KB 28.8 KB29.0 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 2.0 KB 2.1 KB 2.1 KB 2.1 KB 2.0 KB2.1 KB2.0 KB36 B1.75 %
Plain Transfer Size 973 B 1.0 KB 1.0 KB 1.0 KB 973 B1.0 KB1018 B36 B3.58 %
SVG Transfer Size 89.2 KB 90.5 KB 90.5 KB 90.5 KB 89.2 KB90.5 KB90.0 KB658 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 MB1.1 KB0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %