The Semantic Address Framework: URLs for SEO & GEO

To get cited by AI engines, your URLs must signal the answer-type of a page, not just stuff in keywords — that is the core of the Semantic Address Framework. For years, digital marketers treated URLs as a technical checklist: pick a few keywords, add some hyphens, keep the link short. That approach worked for Google, but the world of search has changed. Today we are not only designing for human clicks; we are designing for artificial intelligence agents. When a tool like ChatGPT or Claude looks at your website, it uses your URL as a primary signal to understand what a page is about before it reads the first sentence. If your URL structure is messy or lacks clear meaning, you risk being left out of the conversation entirely.

Key Takeaways

• SEO URLs target keyword rankings; GEO URLs signal the answer-type so AI engines cite you.
• Intent-rich slugs (like guide-how-to-choose-marathon-running-shoes) tell AI what kind of answer a page provides.
• URL hallucination happens when AI invents a non-existent address; defensive 301 redirects fix it.
• Keep hierarchy to no more than three levels deep for crawlability.
• Technical basics still apply: lowercase URLs, hyphens not underscores, and server-side rendering.

Last updated: June 6, 2026

What Is the Difference Between SEO and GEO?

To build a modern URL strategy, you must first understand that Search Engine Optimization (SEO) and Generative Engine Optimization (GEO) are two different games. SEO is about ranking on page one of Google so a human will click your link. GEO is about getting cited when an AI engine generates a written answer for a user. While Google Search Central notes that descriptive words and hyphens are best practices for crawling [1], AI engines take this a step further. They use a process called Retrieval-Augmented Generation, or RAG. In this process, the AI looks for the most relevant bits of information across the web. A clear, intent-rich URL helps the AI identify your content as a high-quality source. While traditional SEO focuses on keywords, GEO focuses on how well your URL describes the specific answer you are providing.

What Is the Semantic Address Framework?

Most companies use keyword-rich slugs because they want to rank for specific terms. However, the Semantic Address Framework suggests moving toward intent-rich structures. Instead of a URL that just says best-running-shoes, a semantic address might look like guide-how-to-choose-marathon-running-shoes. This structure tells an AI agent exactly what kind of answer-type the page provides. Is it a guide? A comparison? A data sheet? By including the intent in the URL, you increase the probability that an AI will cite you as a direct source for a user's question. According to Ahrefs, keeping your hierarchy shallow is still vital for crawlability, but within those levels, every word should work toward defining the context. [2]

How Do You Solve the Problem of AI Hallucinations?

One of the biggest challenges for modern brands is URL hallucination. This happens when an AI model remembers your brand exists but makes up a web address that does not actually exist on your site. For example, ChatGPT might tell a user to visit yourbrand.com/returns-policy when your actual page is at yourbrand.com/customer-service/returns. When the user clicks that fake link, they hit a 404 error, and you lose a customer. To combat this, you need a strategy called defensive redirecting. You must identify which non-existent URLs AI models are frequently creating and proactively set up 301 redirects to the correct pages. You can even create ghost pages — minimalist pages designed specifically to capture and correct the AI's knowledge base. In our work at NetRanks, we measure how brands appear inside AI-generated answers and provide prescriptive recommendations to improve visibility.

Want to see which URLs AI engines are hallucinating for your brand? Get your AI visibility snapshot with NetRanks.

Why Do Technical Foundations Still Matter for AI Visibility?

While the strategy is shifting toward meaning, the technical basics still matter. As WorkOS points out, consistent slug structures and server-side rendering are essential because they help AI crawlers that might not wait for complex website elements to load. [3] If your URLs are filled with session IDs or complex parameters, you are creating crawling traps that prevent both Google and AI engines from indexing your content. Search Engine Journal recently highlighted that while AI search is new, meeting traditional technical requirements remains the prerequisite for visibility. [4] You should:

• Ensure all URLs are lowercase to avoid duplicate indexing issues.
• Use hyphens instead of underscores.
• Avoid vague IDs like page-123.
• Use server-side rendering so crawlers get a clean read of your text.

By combining these technical foundations with a semantic approach, you create a website that is machine-readable and ready for the future of search.

What Are the Actionable Steps for Your URL Strategy?

To implement the Semantic Address Framework, start by auditing your top 50 pages. Ask yourself: if an AI only saw this URL, would it know exactly what question this page answers?

• Simplify hierarchy: Keep your structure to no more than three levels deep to ensure easy crawling.
• Add intent words: Update slugs to include words like how-to, comparison, or data to signal the content type.
• Defensive redirecting: Monitor 404 logs for traffic originating from AI tools and redirect those hallucinated URLs to real pages.
• Stay lowercase: Maintain strict case consistency to avoid duplicate indexing issues, as recommended by Google.

URL structure is no longer just a checkbox for SEO; it is a critical component of how your brand survives and thrives in an AI-driven world. By shifting from keyword-stuffing to the Semantic Address Framework, you provide the clarity that Large Language Models (LLMs) need to trust and cite your content. The goal is to make your website the most reliable address for answers in your industry.

Frequently Asked Questions

What is the Semantic Address Framework?

It is a URL strategy that moves from keyword-rich slugs to intent-rich structures, so that an AI agent can tell from the URL alone what answer-type a page provides — a guide, a comparison, or a data sheet.

What is the difference between SEO and GEO URL strategy?

SEO URLs aim to rank for keywords so a human clicks. GEO URLs signal the answer-type to AI engines so your content gets cited when an AI generates a written answer.

What is URL hallucination and how do I fix it?

URL hallucination is when an AI invents a web address that does not exist on your site, sending users to a 404. Fix it with defensive redirecting: monitor 404 logs and set up 301 redirects from hallucinated URLs to real pages.

Do traditional URL best practices still matter for AI search?

Yes. Lowercase URLs, hyphens instead of underscores, shallow hierarchy, and server-side rendering remain prerequisites because AI crawlers may not wait for complex elements to load.

Start treating your URLs as valuable data signals today to secure your place in the future of search. Get your free AI visibility check with NetRanks and see how AI engines read your site.

Questions about your AI visibility? Contact us for a walkthrough.

Sources

1. URL Structure Best Practices for Google Search, Google Search Central, https://developers.google.com/search/docs/crawling-indexing/url-structure
2. How to Create SEO-Friendly URLs (Step-by-Step), Ahrefs, https://ahrefs.com/blog/seo-friendly-urls/
3. From blocking bots to optimizing for LLMs: How the web flipped its script, WorkOS, https://workos.com/blog/optimizing-for-llms
4. Google's Official Advice on Optimizing for AI Overviews, Search Engine Journal, https://www.searchenginejournal.com/googles-official-advice-on-optimizing-for-ai-overviews-ai-mode/517228/