# AEO Score > Free AEO score checker: paste a URL or text and get a 0–100 answer-engine optimization score across 8 dimensions, with the top fixes to make your content AI-ready. AEO (answer engine optimization) is structuring content so AI answer engines — ChatGPT, Perplexity, Google AI Overviews — can extract and cite it. Guidance here is source-grounded and avoids unverified citation guarantees. ## Tools - [AEO Score Checker](https://aeoscored.com/score): Free 0–100 answer-engine optimization score across 8 dimensions, with the top fixes. ## Guide - [Answer Engine Optimization (AEO): The Complete Guide to Making Content AI Engines Can Cite](https://aeoscored.com/answer-engine-optimization): What answer engine optimization is, how it differs from SEO, the on-page signals that make content extractable for ChatGPT, Perplexity and Google AI Overviews, and how to measure readiness. ## Articles - [What Is an AEO Score? How to Measure Whether Your Content Is AI-Ready](https://aeoscored.com/what-is-an-aeo-score): What an AEO score measures, the dimensions behind it, what counts as a good score, and why it signals extractability readiness rather than guaranteed AI citations. - [AEO vs SEO: How Answer Engine Optimization Differs From Search Engine Optimization](https://aeoscored.com/aeo-vs-seo): A clear comparison of AEO and SEO: what each optimizes for, where they overlap, where they diverge, and how to do both without choosing one over the other. - [How to Structure Content for AI Extraction (Direct Answers, Headings, Lists & Schema)](https://aeoscored.com/structure-content-for-ai-extraction): A practical guide to structuring pages so AI answer engines can extract and cite them: the direct-answer pattern, question-led headings, scannable formatting and schema.