— Concepts
SEO
Search Engine Optimisation — making pages findable on Google, Bing, AI Search.
What is SEO?
SEO (Search Engine Optimisation) is the practice of making web pages discoverable by search engines and AI search tools. In 2026, SEO has expanded to include AI-search-engine optimisation (ChatGPT Search, Perplexity, Claude, Bing Copilot) and traditional Google/Bing. Core levers: page quality, schema markup, internal linking, third-party citations, llms.txt files for AI agents.