technical-seo-checker

Comprehensive technical SEO audits covering crawlability, indexability, Core Web Vitals, and site health. This skill performs comprehensive technical SEO audits to identify issues that may prevent search engines from properly crawling, indexing, and ranking your site. Audits crawlability, indexability, Core Web Vitals, mobile-friendliness, HTTPS/security, structured data, URL structure, and international SEO with scored results and a prioritized fix roadmap. Start with one of these prompts, then finish with the standard handoff summary from Skill Contract . The migration flow has 6 stages (baseline snapshot, risk map, redirect map, staging QA, cutover checklist, T+1/T+7/T+30 diff). See references/pre-migration-playbook.md for the full workflow and red-flag patterns. As of 2026, robots.txt must make explicit decisions about AI engines. See references/llm-crawler-handling.md for the bot inventory, three stance patterns (default-open, default-closed, split), robots.txt templates, and the Cloudflare edge-override gotcha.