SEO in the Age of AI
The relationship between search engines and artificial intelligence has fundamentally shifted how people find information online. Google's AI Overviews, ChatGPT's web browsing, Perplexity, and other AI-powered search tools are changing the landscape in ways that every website owner needs to understand. But the core truth remains: if you want people to find your content, you need to make it easy for both humans and machines to understand. That is still SEO.
This guide explores how AI is changing search, what it means for your website, and what you should actually do about it.
What Has Changed
Google AI Overviews
In 2024, Google began rolling out AI Overviews (formerly known as Search Generative Experience or SGE) — AI-generated summaries that appear at the top of search results for many queries. Instead of showing ten blue links, Google now often shows a synthesised answer drawn from multiple sources, with links to those sources embedded within the text.
This changes the game because users may get their answer directly from the AI Overview without clicking through to any website. Early data suggests that AI Overviews can reduce click-through rates for informational queries by 20-40%, while having less impact on commercial and transactional queries where users need to take action on a specific website.
ChatGPT and Conversational Search
ChatGPT, Claude, Gemini, and other large language models have become alternative search tools for millions of users. Instead of typing a query into Google, people ask an AI chatbot and receive a conversational answer. Some of these tools cite sources and link to websites, while others do not. ChatGPT with web browsing actively searches the web and cites the pages it references, making it a new source of referral traffic for websites that create authoritative content.
Perplexity and AI Search Engines
Perplexity AI and similar AI-first search engines represent a new category that did not exist two years ago. They answer queries using web sources, always cite their references, and present information in a clean, ad-free format. They are growing rapidly, particularly among researchers, professionals, and younger users who find traditional search results cluttered with ads and SEO spam.
What Has NOT Changed
Despite the AI revolution, the fundamentals of good SEO remain unchanged. In fact, they matter more than ever because AI systems need well-structured, authoritative content to cite and reference.
Content quality is still king
AI models are trained to recognise and prefer high-quality, accurate, comprehensive content. If your page is the best, most thorough answer to a question, both Google's algorithm and AI systems will favour it. Thin, low-effort content is even less likely to surface now than before because AI can easily generate mediocre content — what it cannot generate is original expertise, real-world experience, and unique data.
Technical SEO is still the foundation
AI Overviews pull from pages that Google has already crawled and indexed. If your technical SEO is poor — broken links, missing meta tags, no structured data, slow page speed — you will not appear in either traditional results or AI summaries. The on-page SEO checklist is just as relevant in 2026 as it was in 2020.
E-E-A-T matters more
Experience, Expertise, Authoritativeness, and Trustworthiness have become more important, not less. As AI makes it trivial to generate content at scale, the signals that differentiate human expertise from AI-generated text become crucial ranking factors. Author bios, credentials, original research, first-hand experience, and citations from authoritative sources are all signals that help both Google and AI systems identify trustworthy content.
Structured data is more important than ever
Schema markup helps AI systems understand your content at a structural level. FAQ schema, HowTo schema, Product schema, and Organization schema all provide machine-readable data that AI Overviews and chatbots can use to generate accurate summaries and cite your page correctly. Pages with proper structured data are more likely to be selected as sources for AI-generated answers.
How to Adapt Your SEO Strategy for AI
1. Optimise for being cited, not just ranked
In the traditional SEO model, the goal was to rank number one and get the click. In the AI era, there is a new goal: being cited as a source in AI-generated answers. This means your content needs to be authoritative enough that AI systems select it as a reference, and structured clearly enough that they can extract the relevant information.
2. Answer questions directly and clearly
AI Overviews and chatbots look for clear, direct answers to questions. Use question-based headings (H2 and H3 tags) that match what people ask, and provide the answer in the first sentence after the heading. Then expand with detail, context, and evidence. This "answer first, explain second" pattern makes it easy for AI to extract your content.
3. Create content that AI cannot
AI excels at synthesising existing information. It struggles with original research, real-world testing, personal experience, proprietary data, expert opinions, and nuanced analysis. Focus your content strategy on things that require genuine human expertise. Case studies, original surveys, hands-on reviews, first-person accounts, and data from your own business are all content types that AI cannot replicate.
4. Build topical authority
Rather than targeting individual keywords in isolation, build comprehensive coverage of your topic area. If you are a running shoe retailer, do not just have product pages — create guides on shoe fitting, injury prevention, running form, training plans, and race preparation. This depth of coverage signals to both Google and AI systems that your site is an authority on the topic, making it more likely to be cited across multiple related queries.
5. Maintain impeccable technical SEO
AI systems rely on the same web infrastructure that search engines do. If your pages are not crawlable, not indexed, or poorly structured, AI cannot cite them. Run regular audits with tools like RankNibbler to ensure your title tags, meta descriptions, heading structure, structured data, and image optimisation are all in order.
The Opportunity
While some see AI as a threat to SEO, it is actually an opportunity. The flood of AI-generated content has made genuinely expert, original content more valuable and more distinguishable. Websites that invest in quality, structure, and authority will thrive in both traditional search results and AI-powered answers. Those that rely on thin, mass-produced content will be outperformed by the AI itself.
The websites that win in 2026 are the ones that embrace AI as a complement to their strategy — using it to scale content production, analyse competitors, and identify opportunities — while maintaining the human expertise, experience, and editorial standards that make their content worth citing in the first place.
More in This Series
- SEO in the Age of AI — Overview
- How to Optimise for Google AI Overviews
- AI-Generated Content and SEO
- The Future of SEO in 2026 and Beyond
- How to Use ChatGPT for SEO
Last updated: March 2026