Metrics per run

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

Tested 2026-06-16 11:43:55 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 417 ms 417 ms 420 ms 420 ms417 ms418 ms1 ms0.35 %
Largest Contentful Paint 2.460 s 2.170 s 2.599 s 2.602 s 2.237 s2.460 s2.414 s180 ms7.47 %
Timing metrics
First Paint 1.406 s 1.451 s 1.487 s 1.471 s 1.559 s1.471 s1.475 s50 ms3.40 %
Largest Contentful Paint 2.460 s 2.170 s 2.599 s 2.602 s 2.237 s2.460 s2.414 s180 ms7.47 %
Load Event End 2.768 s 2.236 s 2.885 s 2.891 s 2.342 s2.768 s2.624 s279 ms10.64 %
Server Response Time 112 ms 112 ms 112 ms 114 ms 112 ms112 ms112 ms1 ms0.71 %
TTFB 417 ms 417 ms 417 ms 420 ms 420 ms417 ms418 ms1 ms0.35 %
Page Load Time 2.767 s 2.236 s 2.885 s 2.891 s 2.342 s2.767 s2.624 s279 ms10.64 %
First Visual Change 1.467 s 1.500 s 1.533 s 1.500 s 1.600 s1.500 s1.520 s45 ms2.97 %
Last Visual Change 4.267 s 4.400 s 4.400 s 4.400 s 4.500 s4.400 s4.393 s74 ms1.69 %
Speed Index 1.851 s 1.850 s 1.901 s 1.877 s 1.961 s1.877 s1.888 s41 ms2.18 %
Visual Readiness 2.800 s 2.900 s 2.867 s 2.900 s 2.900 s2.900 s2.873 s39 ms1.35 %
Visual Complete 95 3.300 s 3.300 s 3.400 s 3.400 s 3.500 s3.400 s3.380 s75 ms2.21 %
Visual Complete 99 3.300 s 3.300 s 3.400 s 3.400 s 3.500 s3.400 s3.380 s75 ms2.21 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 78 ms 78 ms 78 ms 78 ms78 ms78 ms1 ms1.02 %
Page metrics
DOM elements 22286 22286 22286 22286 22286222862228600.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 68 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 MB1.0 KB0.07 %
HTML Transfer Size 265.4 KB 265.4 KB 265.4 KB 265.4 KB 265.4 KB265.4 KB265.4 KB37 B0.01 %
JavaScript Transfer Size 307.6 KB 307.6 KB 307.2 KB 307.2 KB 307.2 KB307.2 KB307.4 KB220 B0.07 %
CSS Transfer Size 28.3 KB 28.3 KB 28.2 KB 28.2 KB 28.2 KB28.2 KB28.3 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 2.1 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB37 B1.77 %
Plain Transfer Size 1.0 KB 1.0 KB 973 B 1.6 KB 973 B1.0 KB1.1 KB260 B22.85 %
SVG Transfer Size 90.4 KB 90.2 KB 89.1 KB 89.1 KB 88.9 KB89.1 KB89.6 KB652 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 68 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 MB1.0 KB0.07 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %