SEO, AEO, AIO & GEO — the four search optimization disciplines
Plain-English definitions of SEO, GEO, AIO, and AEO. Each term gets its own page with examples, history, and how Zorva approaches it.
- SEO
Search Engine Optimization
Search Engine Optimization (SEO) is the practice of improving a website's visibility in traditional search engine results — primarily Google and Bing — through on-page, off-site, and technical optimization.
- GEO
Generative Engine Optimization
Generative Engine Optimization (GEO) is the practice of optimizing a website to be cited by AI-powered generative search engines like ChatGPT, Perplexity, Claude, and Gemini.
- AIO
AI Overview Optimization
AI Overview Optimization (AIO) is the practice of structuring website content to be cited inside Google's AI Overview summary box that appears above traditional search results.
- AEO
Answer Engine Optimization
Answer Engine Optimization (AEO) is the practice of structuring content so voice assistants like Siri, Alexa, and Google Assistant — and Google's featured snippets — pick your business as the single definitive answer.
The four terms, answered.
What is the difference between SEO and GEO?
How is AIO different from AEO?
Does a business need all four?
Where can I read more about each term?
Want all four baked in by default?
Every Zorva site ships with SEO + GEO + AIO + AEO optimization on day one — llms.txt, JSON-LD graph, AI crawler permissions, Speakable, the works.