Metrics per run

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

Tested 2026-06-20 21:03:37 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 444 ms 417 ms 421 ms 417 ms 416 ms417 ms423 ms11 ms2.52 %
Largest Contentful Paint 2.323 s 2.344 s 2.373 s 2.322 s 2.255 s2.323 s2.323 s39 ms1.67 %
Timing metrics
First Paint 1.385 s 1.443 s 1.386 s 1.428 s 1.379 s1.386 s1.404 s26 ms1.86 %
Largest Contentful Paint 2.323 s 2.344 s 2.373 s 2.322 s 2.255 s2.323 s2.323 s39 ms1.67 %
Load Event End 2.528 s 2.538 s 2.576 s 2.488 s 2.432 s2.528 s2.512 s49 ms1.95 %
Server Response Time 113 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.36 %
TTFB 444 ms 417 ms 421 ms 417 ms 416 ms417 ms423 ms11 ms2.52 %
Page Load Time 2.527 s 2.538 s 2.575 s 2.488 s 2.432 s2.527 s2.512 s49 ms1.94 %
First Visual Change 1.433 s 1.500 s 1.433 s 1.467 s 1.433 s1.433 s1.453 s27 ms1.85 %
Last Visual Change 3.833 s 4.133 s 3.900 s 4.067 s 3.867 s3.900 s3.960 s118 ms2.98 %
Speed Index 1.737 s 1.801 s 1.742 s 1.773 s 1.742 s1.742 s1.759 s25 ms1.40 %
Visual Readiness 2.400 s 2.633 s 2.467 s 2.600 s 2.434 s2.467 s2.507 s93 ms3.70 %
Visual Complete 95 2.800 s 2.967 s 2.833 s 2.900 s 2.867 s2.867 s2.873 s57 ms2.00 %
Visual Complete 99 2.800 s 2.967 s 2.833 s 2.900 s 2.867 s2.867 s2.873 s57 ms2.00 %
CPU metrics
Browser metrics
CPU benchmark score 81 ms 80 ms 77 ms 80 ms 77 ms80 ms79 ms2 ms2.12 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 67 66 67 67676700.60 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.5 KB0.19 %
HTML Transfer Size 265.9 KB 266.0 KB 266.0 KB 266.0 KB 265.9 KB266.0 KB265.9 KB36 B0.01 %
JavaScript Transfer Size 311.4 KB 311.8 KB 311.8 KB 311.8 KB 311.4 KB311.8 KB311.6 KB217 B0.07 %
CSS Transfer Size 28.8 KB 29.0 KB 29.0 KB 29.0 KB 28.8 KB29.0 KB28.9 KB72 B0.24 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.1 KB 2.1 KB 2.0 KB2.1 KB2.0 KB36 B1.73 %
Plain Transfer Size 973 B 1.0 KB 1.0 KB 1.0 KB 973 B1.0 KB1017 B36 B3.55 %
SVG Transfer Size 89.2 KB 90.5 KB 90.5 KB 90.5 KB 89.2 KB90.5 KB89.9 KB650 B0.71 %
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 %
Plain 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 67 67 66 67 67676700.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.5 KB0.19 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %