navigator.sendBeacon() with a string sends text/plain Content-Type, causing Flask to reject with 415 Unsupported Media Type. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- analytics-tracker.min.js: 12.5KB → 7.5KB (-5KB) - Inline CSS in base.html minified: -19.3KB (whitespace, comments, semicolons) - Total page weight reduced by ~24KB Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
