seo

# SEO Improve search visibility through technical correctness, performance, and content relevance, not gimmicks. ## When to Use Use this skill when: - auditing crawlability, indexability, canonicals, or redirects - improving title tags, meta descriptions, and heading structure - adding or validating structured data - improving Core Web Vitals - doing keyword research and mapping keywords to URLs - planning internal linking or sitemap / robots changes ## How It Works ### Principles 1. Fix technical blockers before content optimization. 2. One page should have one clear primary search intent. 3. Prefer long-term quality signals over manipulative patterns. 4. Mobile-first assumptions matter because indexing is mobile-first. 5. Recommendations should be page-specific and implementable. ### Technical SEO checklist #### Crawlability - `robots.txt` should allow important pages and block low-value surfaces - no important page should be unintentionally `noindex` - important pages should be reachable within a shallow click depth - avoid redirect chains longer than two hops - canonical tags should be self-consistent and non-looping #### Indexability - preferred URL format should be consistent - multilingual pages need correct hreflang if used - sitemaps should reflect the intended public surface - no duplicate URLs should compete without canonical control #### Performance - LCP < 2.5s - INP < 200ms - CLS < 0.1 - common fixes: preload hero assets, reduce render-blocking work...