Metrics per run

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

Tested 2026-06-06 09:39:49 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 408 ms 409 ms 406 ms 408 ms 409 ms408 ms408 ms1 ms0.27 %
Largest Contentful Paint 2.513 s 2.515 s 2.345 s 2.305 s 2.406 s2.406 s2.417 s86 ms3.54 %
Timing metrics
First Paint 1.381 s 1.376 s 1.391 s 1.379 s 1.405 s1.381 s1.386 s11 ms0.76 %
Largest Contentful Paint 2.513 s 2.515 s 2.345 s 2.305 s 2.406 s2.406 s2.417 s86 ms3.54 %
Load Event End 2.626 s 2.638 s 2.604 s 2.597 s 2.617 s2.617 s2.616 s15 ms0.56 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 408 ms 409 ms 406 ms 408 ms 409 ms408 ms408 ms1 ms0.27 %
Page Load Time 2.626 s 2.638 s 2.604 s 2.597 s 2.616 s2.616 s2.616 s15 ms0.56 %
First Visual Change 1.433 s 1.433 s 1.433 s 1.433 s 1.433 s1.433 s1.433 s0 ms0.00 %
Last Visual Change 4.033 s 4.033 s 4.100 s 4.000 s 4.033 s4.033 s4.040 s33 ms0.81 %
Speed Index 1.759 s 1.767 s 1.750 s 1.749 s 1.755 s1.755 s1.756 s7 ms0.37 %
Visual Readiness 2.600 s 2.600 s 2.667 s 2.567 s 2.600 s2.600 s2.607 s33 ms1.25 %
Visual Complete 95 3.033 s 3.067 s 2.967 s 2.933 s 3.000 s3.000 s3.000 s47 ms1.57 %
Visual Complete 99 3.033 s 3.067 s 2.967 s 2.933 s 3.000 s3.000 s3.000 s47 ms1.57 %
CPU metrics
Browser metrics
CPU benchmark score 81 ms 81 ms 80 ms 77 ms 77 ms80 ms79 ms2 ms2.31 %
Page metrics
DOM elements 22242 22242 22242 22242 22242222422224200.00 %
Document height 50658 50658 50658 50658 50659506585065800.00 %
Total Requests 66 66 67 66 66666600.60 %
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 MB502 B0.03 %
HTML Transfer Size 265.0 KB 265.0 KB 265.0 KB 265.0 KB 265.0 KB265.0 KB265.0 KB0 b0.00 %
JavaScript Transfer Size 310.9 KB 310.9 KB 310.9 KB 310.9 KB 310.9 KB310.9 KB310.9 KB0 b0.00 %
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 88.8 KB 88.8 KB 89.0 KB 88.8 KB 88.8 KB88.8 KB88.9 KB76 B0.08 %
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 67 66 66666600.60 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB502 B0.03 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %