AI search glossary

By Zalan Khan, founder of Get AI Picked · Updated 29 October 2026

Generative Engine Optimisation (GEO)

Improving how often and how accurately AI assistants such as ChatGPT, Gemini, Perplexity and Claude mention a business in generated answers.

AI SEO

Another name for GEO: optimising a website and its wider online footprint for AI-generated answers rather than only for ten blue links.

AI visibility

Whether, and how prominently, AI assistants name a business when asked a relevant question.

AI Overviews

Google's AI-generated summary shown above search results.

Entity

A clearly identifiable thing (a business, person or place) that search engines and AI models can recognise and link facts to.

NAP consistency

Using an identical Name, Address and Phone number across a website, Google Business Profile, Bing Places and directories.

Schema.org / JSON-LD

Machine-readable code in a web page that states facts like business type, address, services and prices.

llms.txt

A proposed plain-text file at a site's root that summarises the site for large language models.

Citation

A mention of a business on another website, such as a directory, review site or article, that AI can use to verify it.

Grounding

When an AI assistant looks up live web results to support its answer.

OAI-SearchBot / GPTBot

OpenAI's crawlers: OAI-SearchBot powers ChatGPT search results; GPTBot collects training data.

PerplexityBot / ClaudeBot

Crawlers used by Perplexity and Anthropic to read websites.

IndexNow

A protocol that instantly notifies Bing, Yandex and other engines that a page has changed.

Bing Places

Microsoft's business listing service; it feeds Bing Maps and sources used by ChatGPT search.