Use this skill when building, auditing, or reviewing a website against modern platform standards — HTML head/foundations, SEO, accessibility, security headers, well-known URIs, AI/agent readiness, performance, privacy, resilience, and internationalization. Triggers include: \"what should my site hav
Use this skill when building, auditing, or reviewing a website against modern platform standards — HTML head/foundations, SEO, accessibility, security headers, well-known URIs, AI/agent readiness, performance, privacy, resilience, and internationalization. Triggers include: \"what should my site have\", \"is X required\", \"audit this page/URL\", \"review my <head>\", \"why isn't this indexed\", \