seo-drift-monitor

SEO Drift Monitor - detects when page changes break critical SEO elements. Baselines a page's SEO state, then checks for regressions in schema, headings, meta tags, canonical, and Core Web Vitals. Generates visual before/after reports. Use when user says "seo drift", "drift monitor", "baseline", "seo check", "did anything break", "seo regression", "before and after", "protect seo", "monitor page", or "detect changes".