Glossary
SEO & AI Visibility terms, defined.
Clear definitions for the terms you'll encounter when optimising for search engines and AI platforms.
Answer Engine Optimization
The practice of optimising your content so that AI platforms like ChatGPT, Perplexity, and Claude mention and recommend your brand accurately in their generated answers.
AI Visibility
A measure of how frequently and accurately your brand appears in AI-generated answers across platforms like ChatGPT, Perplexity, Gemini, Claude, and Grok.
Share of Voice (AI)
The percentage of AI-generated answers in your category that mention your brand, compared to the total mentions of all brands in that category.
Generative Engine Optimization (GEO)
A strategic framework for optimising your content and digital presence to appear favourably in AI-generated responses from tools like ChatGPT, Perplexity, and Google AI Overviews.
llms.txt
A plain-text file placed at the root of a website (at /llms.txt) that provides AI crawlers and large language models with a structured summary of the site's content and purpose.
Brand Sentiment (AI)
How AI platforms characterise the emotional tone, reputation, and perception of your brand in the answers they generate — ranging from positive to neutral to negative.
Model Context Protocol (MCP)
An open standard developed by Anthropic that allows AI models to connect to external tools, data sources, and services — enabling AI assistants to take actions in the real world.
Agentic SEO
An approach to SEO where AI agents autonomously discover, analyse, and act on SEO opportunities — running audits, flagging issues, and implementing fixes with minimal human input.