If you’ve spent any time building your author website, you’ve probably heard how important SEO is for getting your site found in search engines. You learn about keywords, backlinks, meta descriptions, titles, and all the other basics that help your pages show up in Google.

But search is changing.

Today, readers are not only typing questions into Google and scrolling through links, they’re also getting answers from Google’s AI Overviews, tools like ChatGPT and Perplexity, voice assistants, and other AI‑powered search experiences.

A reader asks an AI assistant for a mystery series recommendation similar to one they just finished. Someone checks Google’s AI Overview to see whether a business book covers a specific topic before they buy it. A curious buyer asks an AI tool to summarize a memoirist’s background before picking up their book. In each case, the AI draws on content from across the web and generates an answer directly. The reader may never click through to the original source at all.

This shift has inspired a few useful concepts for authors to know.

AEO: Answer Engine Optimization

Answer Engine Optimization (AEO) is about writing content that directly answers a specific question a reader might ask. Instead of a vague headline like “5 Reasons You’ll Love This Book,” AEO focuses on content that makes it easy for an AI or search engine to pull out a clear, specific answer: Is this book part of a series? What genre is it? Does it focus on a particular time period?

For authors, this often looks like FAQ-style sections, descriptive headings, and blog posts that tackle one well-defined question at a time instead of skimming over ten topics at once.

GEO: Generative Engine Optimization

Some marketers use the term Generative Engine Optimization (GEO) to describe how you make your content more likely to be trusted, summarized, or recommended by AI tools when they generate answers.

GEO has less to do with keyword density and more to do with whether your site reads as accurate, well-organized, and authoritative. If you write historical fiction or nonfiction on leadership, a blog post that includes real, checked facts, and a clear point of view is far more likely to be pulled into an AI-generated answer than a thin post stuffed with keywords and generic claims.

AIO: AI Search Optimization

AI search optimization (sometimes shortened to AIO) is a useful umbrella term for preparing your site for AI-powered search, including Google’s AI Overviews. The practical effect is that a searcher might get an instant summary or answer without visiting your site at all.

That can sound like bad news for authors who rely on web traffic. It simply changes the job of your website. Your site still needs to be the place readers go to when they want more than a summary, when they want to buy the book, join your newsletter, or dive into more posts like the one that just got summarized.

Is SEO Dead?

No, but the version of SEO that relied on chasing rankings and stuffing keywords is fading.

Authors who thrive in this new environment don’t rely on a single “doorway” into their work. They show up in more places: traditional search results, AI-generated answers, book discovery apps, newsletters, social feeds, and word of mouth. Ranking on page one is no longer the main goal. Being accurate, clear, and easy for both readers and AI tools to understand is what gets you discovered in the first place, and what makes you worth trusting.

“In the age of AI, discoverability isn’t accidental; it’s engineered. SEO helps your book appear in traditional search, AEO turns your expertise into trusted answers, GEO helps generative AI recommend your work, and AIO brings it all together so smart systems actually understand and show your stories to the right readers.”