Metrics per run

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

Tested 2026-06-16 08:08:15 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 418 ms 416 ms 419 ms 418 ms418 ms417 ms1 ms0.29 %
Largest Contentful Paint 2.475 s 2.204 s 2.237 s 2.305 s 2.322 s2.305 s2.309 s94 ms4.06 %
Timing metrics
First Paint 1.449 s 1.461 s 1.465 s 1.439 s 1.538 s1.461 s1.470 s35 ms2.38 %
Largest Contentful Paint 2.475 s 2.204 s 2.237 s 2.305 s 2.322 s2.305 s2.309 s94 ms4.06 %
Load Event End 2.803 s 2.272 s 2.295 s 2.241 s 2.372 s2.295 s2.397 s208 ms8.67 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 416 ms 418 ms 416 ms 419 ms 418 ms418 ms417 ms1 ms0.29 %
Page Load Time 2.803 s 2.271 s 2.295 s 2.240 s 2.372 s2.295 s2.396 s208 ms8.68 %
First Visual Change 1.500 s 1.500 s 1.500 s 1.500 s 1.600 s1.500 s1.520 s40 ms2.63 %
Last Visual Change 4.300 s 4.500 s 4.633 s 4.400 s 4.567 s4.500 s4.480 s118 ms2.64 %
Speed Index 1.881 s 1.872 s 1.890 s 1.867 s 1.973 s1.881 s1.897 s39 ms2.06 %
Visual Readiness 2.800 s 3.000 s 3.133 s 2.900 s 2.967 s2.967 s2.960 s110 ms3.72 %
Visual Complete 95 3.333 s 3.467 s 3.567 s 3.367 s 3.533 s3.467 s3.453 s91 ms2.63 %
Visual Complete 99 3.333 s 3.467 s 3.567 s 3.367 s 3.533 s3.467 s3.453 s91 ms2.63 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 80 ms 78 ms 77 ms 80 ms79 ms79 ms1 ms1.48 %
Page metrics
DOM elements 22286 22286 22286 22286 22286222862228600.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 66 65 66 66 66666600.61 %
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 MB1011 B0.07 %
HTML Transfer Size 265.4 KB 265.4 KB 265.4 KB 265.4 KB 265.4 KB265.4 KB265.4 KB36 B0.01 %
JavaScript Transfer Size 307.2 KB 307.2 KB 307.6 KB 307.6 KB 307.2 KB307.2 KB307.4 KB219 B0.07 %
CSS Transfer Size 28.2 KB 28.2 KB 28.3 KB 28.3 KB 28.2 KB28.2 KB28.3 KB72 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 2.0 KB 2.1 KB 2.1 KB 2.0 KB2.0 KB2.0 KB36 B1.75 %
SVG Transfer Size 89.1 KB 88.9 KB 90.2 KB 90.2 KB 88.9 KB89.1 KB89.4 KB625 B0.68 %
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 %
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 66 65 66 66 66666600.61 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB1011 B0.07 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %