> Source: https://aiseo42.com/blog/
> Updated: 2026-08-27
> Seven guides on generative engine optimization: 2026 statistics with sources, GEO vs SEO, pricing, and how AI assistants pick the sources they cite.

Knowledge base

# GEO, AEO & AI search — the data and the answers

Updated: 27 August 2026

In short
The aiseo42 knowledge base holds seven evidence-backed guides on generative engine optimization (GEO), answer engine optimization (AEO) and AI SEO. Each article answers one concrete question, with the source and date next to every number, and each has a plain-text, machine-readable version at the same address.

Plain-English, answer-first guides and original data on how AI assistants choose what
to recommend — and what it means for your business.

- [AI SEO

## Why do new websites fail in AI search?

Four build mistakes make models see a new website as empty — and the eight-point list that makes a build AI-ready from the first line of code.
Aug 14, 2026 · Read →](https://aiseo42.com/blog/ai-ready-website-build/)
- [Data

## AI search statistics 2026: numbers with sources

2026 AI search data with source and sample: zero-click, AI Overviews, click-through loss, B2B buyer behaviour — including where studies contradict.
Jun 27, 2026 · Read →](https://aiseo42.com/blog/ai-search-statistics-2026/)
- [GEO

## What is generative engine optimization (GEO)?

GEO is the work that makes ChatGPT, Perplexity and Google AI name your business in their answers. What it is, how it works, how it differs from SEO.
Jun 26, 2026 · Read →](https://aiseo42.com/blog/what-is-generative-engine-optimization/)
- [GEO

## GEO vs SEO: what's the difference?

GEO gets you cited inside the AI answer; SEO ranks a link on the results page. Where they overlap, where they diverge, and why most businesses need both.
Jun 25, 2026 · Read →](https://aiseo42.com/blog/geo-vs-seo/)
- [GEO

## GEO vs AEO vs AI SEO: what's the difference?

GEO gets you cited inside AI answers, AEO makes you the direct answer, AI SEO covers the whole surface. One programme runs all three, and reports on it.
Jun 24, 2026 · Read →](https://aiseo42.com/blog/geo-vs-aeo-vs-ai-seo/)
- [Pricing

## How much does GEO cost in 2026?

GEO pricing is driven by scope: competition, number of engines and markets, content volume, starting point. How the quote comes together, without a list price.
Jun 23, 2026 · Read →](https://aiseo42.com/blog/how-much-does-geo-cost/)
- [Guides

## Best GEO and AI SEO agencies in 2026

Self-serve platform or done-for-you agency? An honest breakdown of the 2026 GEO market, with three questions that decide which one fits your business.
Jun 22, 2026 · Read →](https://aiseo42.com/blog/best-geo-ai-seo-agencies-2026/)