# SGAIndex

> A tools directory for the AI search era — curated SEO, GEO (Generative Engine Optimization), AEO (Answer Engine Optimization) and Schema structured-data tools to help your site gain better visibility in Google and AI engines like ChatGPT and Perplexity.

## Core tool directories

- [SEO Tools Directory](https://sgaindex.com/seo-nav): 100+ curated SEO tools across all-in-one platforms, keyword research, backlink analysis, technical SEO and local SEO
- [GEO Tools Directory](https://sgaindex.com/geo-nav): Generative Engine Optimization tools that help your content get cited by ChatGPT, Perplexity, Gemini and other AI engines
- [AEO Tools Directory](https://sgaindex.com/aeo-nav): Answer Engine Optimization tools that structure content for featured snippets and direct AI answers
- [Schema Structured Data Tools](https://sgaindex.com/schema-generator): Schema markup generators and validators supporting Article, FAQ, Product, HowTo and 20+ types

## AI optimization

- [AI Visibility Checker](https://sgaindex.com/ai-checker): Check how your content is cited and how visible it is across major AI models
- [llms.txt Tools](https://sgaindex.com/llms-txt): llms.txt generators, validators and templates to build an AI-readable semantic index file

## Knowledge

- [Articles](https://sgaindex.com/articles): In-depth SEO articles for the AI era, covering GEO, AEO, LLM optimization and more
- [Tutorials](https://sgaindex.com/tutorials): SEO tutorials from beginner to advanced, for practitioners at every level
- [News](https://sgaindex.com/news): The latest updates and algorithm changes across search and AI engines
- [Glossary](https://sgaindex.com/glossary): SEO/GEO/AEO terms explained

## Optional

- [FAQ](https://sgaindex.com/faq): Common questions about SEO and AI optimization
- [About Us](https://sgaindex.com/about): What SGAIndex is, our philosophy and editorial principles
- [Contact](https://sgaindex.com/contact): Reach us at contact@sgaindex.com for listings, corrections and partnerships
- [Privacy Policy](https://sgaindex.com/privacy): How we handle data, cookies and analytics
- [Terms of Service](https://sgaindex.com/terms): Terms governing use of the site