Metrics per run

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

Tested 2026-06-03 17:36:22 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 407 ms 409 ms 425 ms 410 ms409 ms412 ms7 ms1.65 %
Largest Contentful Paint 2.085 s 2.171 s 2.016 s 2.172 s 1.442 s2.085 s1.977 s274 ms13.85 %
Timing metrics
First Paint 1.403 s 1.412 s 1.497 s 1.412 s 1.399 s1.412 s1.425 s37 ms2.57 %
Largest Contentful Paint 2.085 s 2.171 s 2.016 s 2.172 s 1.442 s2.085 s1.977 s274 ms13.85 %
Load Event End 2.119 s 2.103 s 2.170 s 2.107 s 2.683 s2.119 s2.236 s225 ms10.04 %
Server Response Time 107 ms 107 ms 107 ms 124 ms 107 ms107 ms110 ms7 ms6.16 %
TTFB 407 ms 407 ms 409 ms 425 ms 410 ms409 ms412 ms7 ms1.65 %
Page Load Time 2.119 s 2.103 s 2.170 s 2.106 s 2.683 s2.119 s2.236 s225 ms10.05 %
First Visual Change 1.433 s 1.467 s 1.533 s 1.434 s 1.433 s1.434 s1.460 s39 ms2.65 %
Last Visual Change 4.033 s 4.000 s 4.333 s 4.300 s 4.200 s4.200 s4.173 s136 ms3.25 %
Speed Index 1.714 s 1.742 s 1.840 s 1.757 s 1.704 s1.742 s1.751 s48 ms2.75 %
Visual Readiness 2.600 s 2.533 s 2.800 s 2.866 s 2.767 s2.767 s2.713 s126 ms4.63 %
Visual Complete 95 2.867 s 2.867 s 3.233 s 3.134 s 3.167 s3.134 s3.054 s156 ms5.10 %
Visual Complete 99 2.867 s 2.933 s 3.233 s 3.167 s 3.167 s3.167 s3.073 s145 ms4.72 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 79 ms 77 ms 77 ms77 ms77 ms1 ms1.03 %
Page metrics
DOM elements 22226 22226 22222 22226 22222222262222420.01 %
Document height 50617 50617 50613 50617 50613506175061520.00 %
Total Requests 64 64 66 64 66646511.51 %
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 MB33.0 KB2.44 %
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 312.3 KB 311.4 KB 312.3 KB 311.4 KB312.3 KB312.0 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 80.4 KB 80.4 KB 86.2 KB 80.4 KB 86.4 KB80.4 KB82.8 KB2.9 KB3.52 %
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 64 66 64 66646511.51 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB33.0 KB2.44 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %