LLMs Aren’t Taking Over SEO – They are Co-opting It

Man working with LLM interface

The rise of large language models (LLMs) like ChatGPT, Claude, and Google’s AI Overviews has sparked heated conversations about the future of SEO. With AI now capable of summarizing results, answering complex questions, and providing conversational search experiences, many business owners and marketers ask: Is SEO dead? The short answer is no. LLMs aren’t taking over SEO. Instead, they’re forcing it to evolve. SEO’s fundamentals, visibility, credibility, and authority remain essential. However, the strategies behind them are shifting to align with how LLMs process and present information. Let’s break down why SEO isn’t going anywhere.

SEO and LLMs Have Different Goals

Traditional SEO has always been about one thing: ranking in search engine results pages (SERPs). Businesses optimized for keywords, backlinks, and technical performance to appear higher and get more clicks. LLMs, on the other hand, don’t present lists of links. They synthesize and summarize content into direct answers. Optimizing for LLMs, sometimes called LLM Optimization (LLMO), is about ensuring your content is cited or referenced within an AI-generated response. That distinction matters. SEO drives visibility through search rankings. LLMO drives visibility through answer inclusion. Both matter, but one doesn’t replace the other. In fact, LLMs still rely heavily on search engine rankings to source their information.

Just like SEO, LLMs Rely Heavily on Content

An LLM doesn’t create knowledge independently. It pulls from existing data. If businesses stop producing content, the quality of AI answers declines. Search-optimized, authoritative, and fact-checked content remains the foundation that powers LLM outputs. Without SEO-driven content, LLMs would have nothing reliable from which to draw. That makes SEO not just relevant but indispensable.

LLMs Can’t Replace Human Strategy (Dangit, I guess I still have to go to work…)

LLMs are powerful but lack creativity, industry expertise, and adaptability. A seasoned SEO professional understands more than just algorithms. They understand business goals, customer psychology, and shifting market dynamics. LLMs can generate content drafts, but can’t:

  • Develop a full-funnel SEO strategy aligned with business objectives.
  • Create original thought leadership rooted in lived experience.
  • Adjust to algorithm updates and competitive pressures in real time.

Humans bring nuance and strategy to SEO that machines simply can’t replicate. AI may accelerate workflows, but it doesn’t replace expertise.

Credibility and Trust Signals are STILL the Most Important

LLMs are designed to prioritize credible, trustworthy sources. They’re likelier to pull answers from websites with strong authority, evident expertise, and established reputations. Which you get by:

  • Building backlinks from respected industry outlets.
  • Producing content with expert bylines and credentials.
  • Collecting favorable reviews, testimonials, and certifications.
  • Using structured data to signal authority.

All of this makes credibility-driven SEO practices even more critical. SEO in the LLM era isn’t about gaming search engines, it’s about proving you’re the most reliable source in your niche. That’s something an algorithm alone can’t manufacture.

SEO is Expanding and Changing – But Search is Not Ending

Rather than fading out, SEO is broadening into new forms of optimization that align with LLM behavior. Businesses are adopting strategies such as

  • Entity Optimization, which focuses on topics and relationships between ideas, not just keywords.
  • Content Chunking: Breaking down content into digestible, answer-ready sections that LLMs can cite.
  • Conversational Content: Creating FAQ-style and natural-language content mimics how users ask questions.
  • Freshness and Updates: Keep content current since LLMs favor up-to-date information.

These strategies aren’t departures from SEO; they’re evolutions. They show how SEO adapts to new technologies rather than being replaced by them.

Search Engines Still Power LLMs

Perhaps the most overlooked fact: many LLMs are directly tied to search engines. For example, ChatGPT integrates with Bing to fetch real-time data. Google’s AI Overviews are layered directly on top of traditional search results, which means that if you want your content to be part of LLM-generated answers, it still needs to rank in the underlying search engine. The mechanics of visibility have changed, but the role of SEO hasn’t disappeared. It’s become even more foundational.

SEO is Dead (Again, and Again… Oh Look, It Just Died Again)

SEO has been declared dead many times before. When social media rose, voice search gained traction, and now, with AI, it has proven adaptable every time. That’s because SEO isn’t tied to one platform or trend. It’s tied to a universal business need: helping people find, trust, and engage with your content online. SEO will exist in some form as long as people search for information. LLMs may change the search interface, but don’t erase the need for discoverability, authority, and strategic content. They amplify it.

LLMS is transforming SEO – Slowly

LLMs are not taking over SEO. They’re reshaping the way people discover and consume information, but they still rely on SEO-driven content to function. Far from being obsolete, SEO is more critical than ever; it is just different. Businesses that adapt their strategies to align with traditional search engines and LLM-powered platforms will win. That means focusing on authority, semantic depth, conversational content, and credibility. The bottom line: SEO isn’t dying. It’s evolving and thriving in the age of AI. Need help staying on top of the latest SEO and LLM strategies? Book a free consultation today and learn how to elevate your website and business.

Picture of Christy Olsen

Christy Olsen

Christy is the Co-Founder and Managing Partner of CadenceSEO. As a self-proclaimed SEO Nerd she is extremely passionate about all things SEO. With over a decade of service in the SEO space she has helped hundreds of clients get where they want to go. Outside of work she is a proud mother of 6, tri-athlete, ultra-runner, and Cross Country Coach.

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