Phase 7: SEO/Security Search optimization and security enhancement Purpose Make the application discoverable through search and defend against security vulnerabilities. What to Do in This Phase 1. SEO Optimization : Meta tags, structured data, sitemap 2. Performance Optimization : Core Web Vitals improvement 3. Security Enhancement : Authentication, authorization, vulnerability defense Deliverables PDCA Application - Plan : Define SEO/security requirements - Design : Meta tags, security policy design - Do : SEO/security implementation - Check : Inspection and verification - Act : Improve and…