SEO, AEO, GEO and AIO: what is the difference, and what does your business need?

In the last two years digital marketing has picked up new acronyms: AEO, GEO, AIO. Many agencies sell them as separate services. As a business owner, you need to know what they really are and where your time and money should go.

SEO: ranking in search results

SEO means search engine optimization. When someone searches Google for "website developer in Natore", SEO is the work of getting your page near the top. It has three parts:

• Technical: Google can find, read and index your pages.
• Content: your pages give clear, useful answers to customers' questions.
• Reputation: other trusted sites, directories and reviews mention your business.

AEO: being the direct answer

AEO means answer engine optimization. People often get an answer without clicking a link: in a featured snippet, the "People also ask" box or a voice assistant. AEO aims to make that answer come from your page. Put the question in a heading and answer it directly in two or three sentences right below.

GEO: being known to AI

GEO means generative engine optimization. Many people now ask ChatGPT, Gemini or Claude questions like "Who is a good digital marketer in Rajshahi?" The AI answers from what it finds about you online. So your website, Google Business Profile, Facebook page and directory listings should all carry the same name, address, phone number and description of what you do.

AIO: one name for all of it

AIO (AI optimization) is not a separate technique. It is the umbrella term for all of the above as search becomes AI-driven. Some people also use it for Google's AI Overviews.

What Google itself says

AI search needs no secret tricks or special markup. According to Google's documentation, appearing in AI Overviews has no additional technical requirements beyond normal Search: the page must be indexed and eligible to show with a snippet. In other words, good SEO is the foundation of good AEO and GEO.

Where a small business should start

1. Add your site to Google Search Console and check which pages are indexed.
2. Complete your Google Business Profile: the right category, opening hours, photos and phone number.
3. Write pages or articles that answer the questions customers ask most.
4. Keep your business name, address and phone number identical on every platform.

Get these four right and you have the foundation for SEO, AEO, GEO and AIO alike.