# Dennis GEO > Dennis GEO is a free WordPress plugin for Generative Engine Optimization — > making WordPress sites structured, readable, and citable by AI search engines > like ChatGPT, Perplexity, Claude, and Google's AI Overviews. ## Product - [Homepage](https://dennisgeo.com/): Overview of Dennis GEO and what it does. - [Features](https://dennisgeo.com/features.html): Full list of schema types, structured data, and per-page controls the plugin emits. - [How it works](https://dennisgeo.com/how-it-works.html): Step-by-step guide from plugin install to first AI citation. - [Pricing](https://dennisgeo.com/pricing.html): Plugin is free. Optional AI Populate service is $19 one-time. No subscription. - [Documentation](https://dennisgeo.com/docs.html): Installation, configuration, WP-CLI reference, troubleshooting. ## Writing - [What is Generative Engine Optimization?](https://dennisgeo.com/blog/what-is-geo.html): The term, the 2023 Princeton paper that introduced it, and the implications for WordPress sites. - [llms.txt, explained for WordPress owners](https://dennisgeo.com/blog/llms-txt-explained.html): What llms.txt is, how it differs from robots.txt, and why content sites should publish one. - [Why FAQ schema is the highest-leverage signal for AI citation](https://dennisgeo.com/blog/faq-schema-for-ai-citation.html): Why structured Q&A is the format AI models lift most readily, and how to add it in WordPress. ## Company - [Contact](mailto:info@dennisgeo.com): Direct email to the maintainer. - [Privacy policy](https://dennisgeo.com/privacy.html): Data handling, cookies, and AI Populate service privacy. - [Terms of service](https://dennisgeo.com/terms.html): GPL-2.0 license, AI Populate terms, refund policy. ## Optional - [Blog](https://dennisgeo.com/blog/): Ongoing writing on GEO, AI search behavior, and WordPress.