How do ChatGPT, Perplexity, and Google AI choose which sources to cite? See how AI retrieval works, what 2026 studies show, and what to fix on your site.

Google AI Overviews use Google’s normal ranking systems plus related sub-searches. Here is what Google says works, what you can skip, how to measure AI Overview visibility, and where a small business should start.

An llms.txt file gives AI tools a short summary of your site. Google says Search ignores it, AI crawlers rarely request it, and Chrome Lighthouse now checks for it. Here is who should add one and how.

Generative engine optimization (GEO) helps your brand get cited by ChatGPT, Gemini, Perplexity and Google AI Overviews. Here is what the original research found, how GEO differs from AEO and SEO, and how to do it.

Learn how to track AI citations from ChatGPT, Perplexity, and Gemini using server logs, manual prompts, and the new Google Search Console AI Overviews report.

Get a free AI visibility audit to see if ChatGPT, Google AI Overviews, and Perplexity can find and cite your website. Written report in 2-3 days.

AEO (Answer Engine Optimization) helps your content get cited by Google AI Overviews, AI Mode, and ChatGPT. Learn how it works and how to start in 2026.