Metrics per run

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

Tested 2026-05-31 22:29:46 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 708 ms 406 ms 408 ms 406 ms 407 ms407 ms467 ms121 ms25.80 %
Largest Contentful Paint 2.306 s 2.199 s 2.120 s 2.085 s 2.158 s2.158 s2.174 s76 ms3.51 %
Timing metrics
First Paint 1.505 s 1.319 s 1.296 s 1.301 s 1.303 s1.303 s1.345 s80 ms5.98 %
Largest Contentful Paint 2.306 s 2.199 s 2.120 s 2.085 s 2.158 s2.158 s2.174 s76 ms3.51 %
Load Event End 2.513 s 2.475 s 2.559 s 2.357 s 2.374 s2.475 s2.456 s78 ms3.19 %
Server Response Time 407 ms 107 ms 107 ms 107 ms 106 ms107 ms167 ms120 ms72.00 %
TTFB 708 ms 406 ms 408 ms 406 ms 407 ms407 ms467 ms121 ms25.80 %
Page Load Time 2.513 s 2.474 s 2.559 s 2.356 s 2.374 s2.474 s2.455 s79 ms3.20 %
First Visual Change 1.567 s 1.367 s 1.367 s 1.333 s 1.333 s1.367 s1.393 s88 ms6.32 %
Last Visual Change 3.867 s 3.833 s 3.667 s 3.733 s 3.700 s3.733 s3.760 s77 ms2.05 %
Speed Index 1.844 s 1.657 s 1.631 s 1.620 s 1.627 s1.631 s1.676 s85 ms5.07 %
Visual Readiness 2.300 s 2.466 s 2.300 s 2.400 s 2.367 s2.367 s2.367 s63 ms2.66 %
Visual Complete 95 2.900 s 2.767 s 2.567 s 2.700 s 2.700 s2.700 s2.727 s108 ms3.97 %
Visual Complete 99 2.900 s 2.767 s 2.567 s 2.700 s 2.700 s2.700 s2.727 s108 ms3.97 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.00 %
Page metrics
DOM elements 22199 22199 22199 22198 22199221992219900.00 %
Document height 50535 50535 50535 50535 50535505355053500.00 %
Total Requests 66 66 66 66 66666600.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.3 KB0.17 %
HTML Transfer Size 264.2 KB 264.2 KB 264.2 KB 264.2 KB 264.2 KB264.2 KB264.2 KB15 B0.01 %
JavaScript Transfer Size 311.3 KB 311.2 KB 311.2 KB 311.3 KB 311.2 KB311.2 KB311.2 KB44 B0.01 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB0 b0.00 %
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 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 86.1 KB 86.1 KB 86.3 KB 86.1 KB 86.3 KB86.1 KB86.2 KB93 B0.11 %
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 66 66 66 66666600.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.3 KB0.17 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %