Awesome AEO (Answer Engine Optimization)

A curated list of tools, guides, and resources for Answer Engine Optimization (AEO) — optimizing websites to be cited by AI search engines like ChatGPT, Perplexity, Google AI Overview, Gemini, and Claude.

AEO is the practice of optimizing your website content to be cited and referenced by AI-powered search engines. Unlike traditional SEO which focuses on ranking in search results, AEO focuses on getting your brand mentioned in AI-generated answers.

Contents

• What is AEO?
• Tools
  • All-in-One AEO Platforms
  • Citation Tracking
  • Content Optimization
  • Schema Markup
  • Technical SEO
• AI Search Engines
• Guides & Articles
  • Getting Started
  • Engine-Specific Optimization
  • Technical Implementation
• Standards & Specifications
• Research & Data
• Communities
• Contributing

What is AEO?

Answer Engine Optimization (AEO) is the process of optimizing your website to be cited by AI-powered search engines. The major AI search engines each select sources differently:

Engine	Source Selection	Key Factor
ChatGPT	High-authority domains preferred	Domain authority
Perplexity	Broad citation, most inclusive	Content relevance + freshness
Gemini	Follows Google Search rankings	Google organic rank
Claude	Academic/technical content preferred	Structured data + metadata
Google AI Overview	Google rankings + extractable answers	Featured snippet optimization

Tools

All-in-One AEO Platforms

• Aiden — AI-powered SEO & AEO manager with 11 autonomous agents. Tracks citations across 5+ AI engines, generates deployment-ready fixes including schema markup, optimized content, and technical improvements.
• Profound — Enterprise AEO analytics platform with brand mention tracking across AI engines.
• Otterly.ai — AI visibility monitoring and brand mention tracking.
• Semrush AI Toolkit — Integrated AEO features within the existing Semrush SEO platform.
• SE Ranking AEO Tool — Answer engine optimization tool with visibility tracking.

Citation Tracking

• Peec AI — Monitor how AI engines mention your brand.
• Scrunch AI — AI search visibility analytics.
• Ahrefs Brand Radar — Brand mention monitoring with AI search integration.
• AIClicks — AEO tracking and optimization platform.

Content Optimization

• Frase — AI-powered content briefs and optimization for search intent.
• Clearscope — NLP-powered content optimization.
• SurferSEO — On-page optimization with AI-driven recommendations.

Schema Markup

• Schema.org — The official structured data vocabulary.
• Google Rich Results Test — Validate your schema markup.
• Schema Markup Generator — Free JSON-LD schema generator by TechnicalSEO.com.

Technical SEO

• Screaming Frog — Website crawler for technical SEO auditing.
• Google Search Console — Monitor your site's presence in Google search.
• Bing Webmaster Tools — Monitor your site in Bing (feeds ChatGPT's index).

AI Search Engines

Understanding each AI search engine's crawler and access requirements:

Engine	Bot Name	robots.txt Directive
ChatGPT	GPTBot	User-agent: GPTBot
ChatGPT Search	ChatGPT-User	User-agent: ChatGPT-User
Perplexity	PerplexityBot	User-agent: PerplexityBot
Claude	ClaudeBot	User-agent: ClaudeBot
Gemini	Google-Extended	User-agent: Google-Extended
Google	Googlebot	User-agent: Googlebot

Important: Make sure all AI bots are allowed in your robots.txt if you want to be cited by these engines.

Guides & Articles

Getting Started

• What Is AEO? Complete Guide — Comprehensive introduction to Answer Engine Optimization.
• AI Search Optimization: The Definitive Guide — Covers all 5 AI engines, schema markup, llms.txt, and measuring success.
• AEO vs SEO: Complete Guide — Understanding the differences and overlaps.
• AEO Checklist — Step-by-step checklist for AEO implementation.
• How to Get Cited by AI — 10-step guide covering all 5 AI engines.

Engine-Specific Optimization

• ChatGPT SEO Guide — How to get your website recommended by ChatGPT.
• Optimize for Perplexity AI — Getting cited by Perplexity's search engine.
• Optimize for Gemini AI — Google's multimodal AI search optimization.
• Google AI Overview Optimization — Getting featured in Google's AI-generated answers.

Technical Implementation

• What Is llms.txt? — Guide to AI-readable site documentation standard.
• Schema Markup for AI Search — Which schemas matter for AI citation.
• AI Search Ranking Factors — What determines AI citations.

Standards & Specifications

• llms.txt — Proposed standard for helping AI engines understand your website. A plain text file at /llms.txt that lists your most important pages with descriptions.
• robots.txt — Standard for controlling crawler access. Essential for allowing/blocking AI bots.
• Schema.org — Structured data vocabulary used by search engines and AI engines.
• Sitemaps Protocol — XML sitemap standard for helping crawlers discover your pages.

Research & Data

• AI search now handles 30-40% of informational queries (2026 estimates)
• Perplexity cites 8-12 sources per response on average
• ChatGPT cites 3-5 sources per response, heavily weighted toward DA 70+ domains
• Sites with FAQPage schema are cited approximately 2x more often by AI engines
• Content published within the last 30 days gets preferential treatment from Perplexity

Communities

• r/SEO — Reddit's SEO community, increasingly discussing AEO topics.
• r/artificial — Discussions about AI technology including AI search.
• Search Engine Journal — Industry publication covering SEO and AEO trends.
• Search Engine Land — News and analysis about search engine marketing.

Contributing

Contributions are welcome! Please read the contribution guidelines before submitting a pull request.

If you know of an AEO tool, guide, or resource that should be listed here, please open an issue or submit a PR.

License

This list is released under CC0 1.0 Universal.