Metrics per run

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

Tested 2026-06-01 23:12:19 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 412 ms 406 ms 405 ms 406 ms 409 ms406 ms408 ms3 ms0.63 %
Largest Contentful Paint 2.033 s 2.104 s 2.122 s 2.067 s 2.000 s2.067 s2.065 s45 ms2.17 %
Timing metrics
First Paint 1.379 s 1.413 s 1.389 s 1.408 s 1.390 s1.390 s1.396 s13 ms0.91 %
Largest Contentful Paint 2.033 s 2.104 s 2.122 s 2.067 s 2.000 s2.067 s2.065 s45 ms2.17 %
Load Event End 2.071 s 2.105 s 2.057 s 2.126 s 2.070 s2.071 s2.086 s26 ms1.23 %
Server Response Time 112 ms 107 ms 107 ms 107 ms 107 ms107 ms108 ms2 ms1.85 %
TTFB 412 ms 406 ms 405 ms 406 ms 409 ms406 ms408 ms3 ms0.63 %
Page Load Time 2.071 s 2.105 s 2.057 s 2.126 s 2.070 s2.071 s2.086 s26 ms1.23 %
First Visual Change 1.433 s 1.467 s 1.433 s 1.467 s 1.433 s1.433 s1.447 s17 ms1.15 %
Last Visual Change 3.967 s 4.000 s 4.233 s 4.267 s 4.167 s4.167 s4.127 s122 ms2.95 %
Speed Index 1.707 s 1.752 s 1.759 s 1.781 s 1.741 s1.752 s1.748 s24 ms1.39 %
Visual Readiness 2.534 s 2.533 s 2.800 s 2.800 s 2.734 s2.734 s2.680 s122 ms4.56 %
Visual Complete 95 2.833 s 2.933 s 3.133 s 3.133 s 3.100 s3.100 s3.026 s122 ms4.03 %
Visual Complete 99 2.833 s 2.933 s 3.133 s 3.200 s 3.100 s3.100 s3.040 s136 ms4.47 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 77 ms 78 ms 77 ms 77 ms77 ms78 ms1 ms1.03 %
Page metrics
DOM elements 22226 22222 22222 22227 22222222222222420.01 %
Document height 50617 50613 50613 50617 50613506135061520.00 %
Total Requests 64 66 66 64 66666511.50 %
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 MB34.1 KB2.60 %
HTML Transfer Size 264.6 KB 264.6 KB 264.6 KB 264.6 KB 264.6 KB264.6 KB264.6 KB0 b0.00 %
JavaScript Transfer Size 312.3 KB 311.4 KB 311.4 KB 312.3 KB 311.4 KB311.4 KB311.8 KB461 B0.14 %
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 80.2 KB 86.1 KB 86.1 KB 80.2 KB 86.3 KB86.1 KB83.8 KB2.9 KB3.46 %
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 64 66 66 64 66666511.50 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB34.1 KB2.60 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %