SEO Fundamentals Review "Good SEO is good UX. If search engines can't understand your page, users might not find it." When to Apply Activate this skill when: - Reviewing HTML sections - Seeing meta tags in code - Next.js/Remix page components - HTML structure with headings - Any page that should be indexed --- The SEO Checklist Must Have (Every Page) - [ ] Title tag — 50-60 characters, unique per page - [ ] Meta description — 150-160 characters, compelling - [ ] Single H1 — One per page, describes main content - [ ] Logical heading hierarchy — H1 → H2 → H3 (no skipping) - [ ] Semantic HTML —…