Free AEO Grader

What is an AEO Grader?

Answer Engine Optimization (AEO) is the practice of structuring a page so AI answer engines can extract, trust, and cite it. Unlike classic SEO that chases blue links, AEO optimizes for the moment an AI summarizes your content in a direct answer.

The AEO Grader scores a single URL against the signals answer engines actually reward — clear question-and-answer structure, factual density, schema markup, source authority, and extractable passages — then turns that score into a concrete fix list.

Frequently asked questions

The Complete Guide to Answer Engine Optimization (AEO)

Answer Engine Optimization (AEO) is the discipline of structuring content so that AI-powered answer engines — ChatGPT, Perplexity, Google AI Overviews, Gemini, and Copilot — can extract, trust, and cite it. Where classic SEO chases the blue link, AEO targets the moment an AI synthesizes your content into a direct answer. That moment is now the first touchpoint for millions of buyers, researchers, and decision-makers every day.

The core mechanism of AEO is passage retrievability. When a user asks a question, modern AI engines do not simply read the top-ranked page — they scan thousands of candidates for self-contained passages that directly answer the query. A page optimized for AEO leads with the answer, supports it with facts, and breaks the argument into clean, quotable segments. Vague, fluffy intros and walls of text are consistently skipped in favor of pages that answer first and elaborate second.

AEO scoring hinges on five measurable signals: answer-first structure (does the page answer the question within the first 100 words?), factual density (are claims supported by specific data, dates, and sources?), structured data completeness (FAQPage, HowTo, and Article schema), source authority (E-E-A-T signals including author credentials, citations, and brand recognition), and passage coherence (can a 50-150 word segment be lifted verbatim and still make complete sense?). AEO grading tools evaluate each of these dimensions and produce a concrete fix list.

The stakes are rising fast. Studies tracking AI search behavior show that pages with strong AEO signals are cited three to five times more often than equivalently ranked pages that were only optimized for traditional SEO. As AI Overviews capture more zero-click real estate and AI assistants handle more of the buyer research journey, AEO has shifted from a nice-to-have to a core traffic strategy. Grading your pages now — before competitors do — is the best way to protect and grow your organic visibility in an AI-first search landscape.

AEO Glossary

Plain-language definitions for the terms that matter most in Answer Engine Optimization.

Answer Engine

An AI system that responds to queries with synthesized answers rather than a list of links. ChatGPT, Perplexity, and Google AI Overviews are the leading examples.

AEO (Answer Engine Optimization)

The practice of structuring content so AI answer engines can extract, verify, and cite it. Extends traditional SEO with a focus on passage retrievability and factual credibility.

Featured Snippet

A highlighted answer box Google shows above organic results. Often the training ground for AEO tactics because the selection criteria — direct answers, clear structure — overlap heavily with AI citation patterns.

AI Overview

Google's AI-generated summary at the top of search results, powered by Gemini. Pages cited in AI Overviews typically show strong AEO signals: FAQ schema, answer-first structure, and high factual density.

Passage Indexing

A search technique (used by Google and adopted by AI engines) that indexes individual passages within a page rather than just the page as a whole, allowing a single authoritative paragraph to rank for queries even if the rest of the page covers different topics.

Entity

A real-world concept — a person, place, organization, or product — that can be uniquely identified. AI engines build their understanding of the web through entities, and pages that clearly define and link entities are easier to trust and cite.

E-E-A-T

Experience, Expertise, Authoritativeness, and Trustworthiness — Google's quality framework, heavily used by AI engines as a proxy for source reliability. Strong E-E-A-T signals correlate with higher AI citation rates.

FAQ Schema

A structured data type (FAQPage in Schema.org) that marks up question-answer pairs on a page. It is one of the most direct ways to feed extractable passages to AI answer engines.

Extractable Passage

A self-contained section of text — typically 50 to 150 words — that makes complete sense when quoted in isolation. AI engines prefer sources that deliver answers in extractable passages because they can cite them without additional context.

Zero-Click

A search session that ends without the user clicking a blue link because the answer appeared directly on the results page or in an AI summary. AEO strategies aim to be the source that powers zero-click answers, even if traffic does not follow.

Generative Engine

An AI that generates novel answers by synthesizing information from multiple sources rather than returning pre-written content. ChatGPT, Perplexity, Gemini, and Copilot are all generative engines.

Semantic Chunk

A coherent unit of meaning within a document — typically a paragraph or a defined section — that an AI can use as a retrievable building block. AEO-optimized pages are organized into clean semantic chunks.