Skip to main content

Sotavento Medios

Which search engine powers ChatGPT?

ChatGPT’s search functionality is primarily powered by Microsoft Bing,.

According to the sources, ChatGPT relies heavily on Bing’s search index to retrieve real-time information from the web rather than building a completely independent search index for live queries,. While OpenAI utilizes its own web crawlers (like the OAI Search Bot) to access and parse content, the underlying discovery framework depends on Bing’s data,.

Key Implications for Optimization:

Bing Webmaster Tools is Critical: Because of this reliance, ensuring your website is submitted to and indexed by Bing Webmaster Tools is cited as the most important technical step for appearing in ChatGPT search results,.

Dual Requirement: To be visible, your site generally needs to satisfy two conditions: it must be indexed by Bing, and your robots.txt file must explicitly allow the OAI Search Bot to access your content,.

Analogy Think of Bing as the massive phone book that lists everyone’s number and address. ChatGPT is the assistant you ask to find a plumber. Even though the assistant (ChatGPT) is the one talking to you, they are looking up the plumber’s number in the phone book provided by Bing. If you 

What is GEO?

Based on the provided sources, Generative Engine Optimization (GEO) often used interchangeably with Answer Engine Optimization (AEO) is the practice of optimizing content to ensure it is cited, summarized, and recommended by AI-driven search engines like ChatGPT, Perplexity, Claude, and Google’s AI Overviews,,,.

While traditional SEO focuses on ranking a link at the top of a search page, GEO focuses on becoming the source of truth that an AI model uses to construct a direct answer for the user,.

Here is a detailed breakdown of what GEO entails according to the sources:

1. Ranking vs. Recommending

The fundamental shift in GEO is moving from “ranking” to “recommending.”

The Goal: In traditional SEO, the goal is to get a user to click a blue link. In GEO, the goal is to be quoted or cited directly in the AI’s response. Because AI tools provide summaries, users may not click through to a website unless the answer compels them to learn more.

Exposure-Driven Traffic: GEO prioritizes brand visibility. Even if a user doesn’t click, being recommended as the “best solution” by an AI builds trust and leads to high-intent “branded searches” later (e.g., a user asks AI for the best software, sees your name, and then Googles your brand directly),.

2. How GEO Works (The “RAG” Process)

To optimize for GEO, it helps to understand how these engines work. They use a process often called Retrieval-Augmented Generation (RAG),.

Fan-Out Queries: When a user asks a complex question (e.g., “Best durable iPad case that isn’t black”), the AI breaks this down into multiple smaller searches (e.g., “durable iPad cases,” “colorful iPad cases”).

Synthesizing Answers: The AI retrieves information from top search results (often using Bing’s index) and synthesizes a single answer. If your content provides specific facts, data, or direct answers to those sub-questions, the AI is more likely to cite you,.

3. Key Optimization Strategies

The sources highlight several specific pillars of a successful GEO strategy:

Citation Authority (“Being Everywhere”): AI models trust brands that are mentioned across the web, not just on their own sites. To rank in GEO, a brand must appear in industry publications, “best of” lists, podcasts, and verified reviews,,. This is often referred to as “Citation Velocity” how frequently and recently a brand is mentioned.

The “Inverted Pyramid” Content Structure: AI models “scan” content rather than read it like a human. To appeal to them, content should be structured with the answer first (at the top), followed by details. Using bullet points, tables, and clear headings makes it easier for the AI to parse and quote your content verbatim,,.

Sentiment and Reputation: Unlike Google, which counts backlinks, AI models analyze sentiment. If a brand has negative reviews or is associated with negative adjectives (e.g., “cheap,” “fragile”) across the web, the AI may exclude it from recommendations. Conversely, positive sentiment (e.g., “durable,” “high quality”) acts as a ranking signal,.

Optimizing for the “Long Tail”: AI search encourages long, conversational questions (e.g., “Is there a dog walker near me who works weekends and handles big dogs?”). GEO involves creating content that answers these highly specific, “deal-breaker” questions that traditional search volumes might ignore,,.

4. Technical Foundations

While GEO is content-heavy, it relies on specific technical standards:

Bing Indexing: Since ChatGPT and other tools often rely on Bing for real-time data, ensuring your site is indexed in Bing Webmaster Tools is a prerequisite,.

Schema Markup: Using structured code (Schema) helps AI clearly understand what a page is about (e.g., identifying a section as a “Review” or “FAQ”), which increases the likelihood of being cited,.

LLMs.txt: This is a newer file standard (similar to robots.txt) that site owners can use to explicitly tell AI crawlers which pages are most important, helping them prioritize high-value content,.

Analogy

The sources offer a distinct analogy to explain the difference between SEO and GEO:

Traditional SEO is like going to a library and asking a librarian for help. The librarian points to a shelf and says, “The answer is in one of those books; go read them.” (Google giving you a list of links).

GEO (AI Search) is like asking a “genius librarian” who has already read every book in the library. Instead of pointing to the shelf, they simply tell you, “I’ve read all the books, and the answer is X. By the way, the author of that book recommends doing Y.” The goal of GEO is to ensure your book is the one the genius librarian quotes.

What is AEO?

Based on the sources, Answer Engine Optimization (AEO) often used interchangeably with Generative Engine Optimization (GEO) is the practice of optimizing content so that it is cited, summarized, and recommended by AI models like ChatGPT, Perplexity, Claude, and Google’s AI Overviews,,.

While traditional SEO focuses on ranking a link on a search results page, AEO focuses on becoming the answer itself.

AEO vs. GEO: What’s the Name?

The terms are effectively synonymous. However, Ethan Smith (CEO of Graphite) notes in one source that AEO is likely the more accurate term. He argues that “Generative” (as in GEO) implies creating new media like images or video, whereas “Answer” specifically describes the goal: providing the specific text response a user is looking for,.

How AEO Differs from SEO

AEO represents a fundamental shift in how search works, described by experts as the “second biggest change” in the history of SEO (the first being the move from spammy tactics to quality content),.

  • From Blue Links to Direct Answers: In SEO, if you rank #1, you win. In AEO, ranking #1 in a search index doesn’t guarantee you will be the answer. The AI model summarizes multiple sources; to “win,” you must be the source mentioned most frequently and authoritatively across those citations.
  • The “Long Tail” of Search: AEO thrives on long, conversational queries (e.g., “What is the best payroll software for a 50-person company that integrates with Slack?”). The “tail” of these specific questions is much larger in AI search than in traditional Google search because users can ask infinite follow-up questions,.
  • Higher Conversion: Because AI users often ask specific, high-intent questions, the traffic generated from AEO is reported to be significantly more valuable. One source notes that traffic from LLMs (Large Language Models) had a 6x higher conversion rate than Google search traffic for a specific client.

The Core Strategies of AEO

To succeed in AEO, the goal is not just to have a website, but to have a “share of voice” across the data sources the AI trusts.

1. Citation Optimization (Off-Site) The AI determines the “truth” based on the “wisdom of the crowd”. To be the answer, your brand must be mentioned across various trusted platforms:

  • Tier 1 Media: High-authority publications (e.g., Forbes, TechRadar).
  • User-Generated Content: Reddit and Quora are critical because AI models view them as authentic human experiences,.
  • Video: YouTube and Vimeo transcripts are heavily ingested by AI models to answer questions.

2. Content Structure (On-Site) You must package your content so a machine can easily read and summarize it.

  • Direct Answers: State the answer clearly in the first sentence or paragraph (the “inverted pyramid” style),.
  • Q&A Formatting: Transform your keywords into questions and answer them directly. This mimics how users interact with chatbots,.
  • Schema Markup: Use code to explicitly tell the AI what your content is (e.g., a review, a product, a person), acting as a “cheat sheet” for the algorithm,.

3. Reputation and Sentiment AEO is heavily influenced by sentiment. If an AI reads negative reviews or sees a lack of recent mentions (“citation velocity”), it may exclude a brand from its recommendations. Managing brand sentiment on platforms like TrustPilot and G2 is now a ranking factor.
















    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.