Every year brings a fresh wave of claims that SEO has been rewritten from scratch. AI Overviews, AI Mode, answer engines and a pile of new acronyms have made 2026 feel especially unsettled, and it is fair to wonder what actually still applies.
The reassuring answer is that the foundations are largely the same. The less comfortable answer is that more of the work now happens before anyone clicks, and the way people find, read and trust your content has changed. Here is how SEO fits together this year.
The Foundations Have Not Moved
Search still begins with three steps. A search engine crawls pages, decides which to store in its index, and then ranks the indexed pages when someone searches. If a page cannot be crawled or is not indexed, nothing else you do to it matters.
- Crawling depends on your site being accessible, fast enough to fetch, and clear about which pages matter, through internal links, sitemaps and sensible robots rules
- Indexing depends on the page being useful, not a near copy of something else, and technically eligible, with no stray noindex tag or blocked resources
- Ranking depends on relevance, quality, authority and the experience of using the page, weighed by systems Google does not publish in full
Technical health, therefore, is still the first thing worth checking. A fast, mobile-friendly site with clean structure and no indexing mistakes is the platform every other tactic stands on.
What AI Search Has Changed
AI-generated answers now sit at the top of many results pages, summarising information before a visitor reaches any website. That shifts the goal for some searches from earning a click to earning a mention, a citation or a place in the answer.
The industry has produced several labels for this, including generative engine optimisation (GEO) and answer engine optimisation (AEO). It is worth knowing the terms, because clients and colleagues will use them, but the substance matters more than the label.
What Google Itself Says
In May 2026, Google published new documentation on optimising for its generative AI features in Search. Its position is that this is still SEO. The AI features are rooted in the same core ranking and quality systems, and draw on the same index.
The same guidance is notable for what it says you can leave alone. Google says you don’t need special AI files, such as llms.txt, special markup, or content chopped into tiny pieces to appear in these features. It also says no special schema markup is required for AI features, although standard structured data still matters for rich results.
What it does encourage is what good SEO has always rewarded, original and genuinely useful content, pages that are indexed and eligible to show as snippets, semantic HTML, a good page experience, and avoiding duplicate content. It also includes a newer section on agentic experiences, where browser agents read pages in ways that depend on clean structure and accessibility.
One important caveat is that this guidance describes Google’s own features. Other platforms, such as ChatGPT and Perplexity, may weigh signals differently, so treating Google’s advice as universal would be a mistake.
What Genuinely Earns Visibility in 2026
Content That Adds Something New
Summarising what everyone else already says gives an AI system no reason to choose you. Original experience, local knowledge, real examples, your own data and a clear point of view are harder to replicate and more worth citing. Google’s phrase for the opposite is commodity content, material that could appear on any site.
Clear Structure
Descriptive headings, short focused paragraphs, genuine lists and direct answers to questions make content easier for both people and machines to use. This is not a trick for AI. It is the same readable writing that has always helped visitors.
Trust and Authority
Visible expertise, real authorship, accurate information, consistent business details and mentions on reputable sites all support trust. Be wary of shortcuts such as manufactured mentions, which Google says are not as helpful as they might seem.
Page Experience
Speed, stability and ease of use on a phone still affect both rankings and whether visitors stay. Core Web Vitals remain the clearest measurable guide, and the right place to start when a site feels slow.
Local Signals
For businesses serving a specific area, a complete, active Google Business Profile, consistent contact details, and genuine reviews remain central and increasingly feed into AI features as well.
Measuring Success When Clicks Matter Less
Rankings and traffic remain useful, but they tell only part of the story now. A page can be mentioned in an AI answer, shape a decision and still produce no visit. It makes sense to look at a wider set of signals.
- Impressions and clicks in Google Search Console, watching for pages that earn many impressions but fewer clicks than before
- Enquiries, calls and form submissions, which show whether visibility is turning into business
- Branded search, a sign that people are remembering your name after seeing it elsewhere
- Referrals from AI tools, where analytics can identify them, treated as a useful signal rather than a precise measure
- Mentions and citations of your brand, checked by occasionally asking AI tools questions about your area of expertise
A Quick SEO in 2026 Checklist
☐ Confirm your important pages can be crawled and are indexed in Google Search Console
☐ Check page speed, stability and mobile usability, starting with Core Web Vitals
☐ Review your key pages for original insight rather than recycled common knowledge
☐ Use clear headings, short paragraphs and direct answers to real questions
☐ Keep your Google Business Profile complete, accurate and active
☐ Use standard structured data where it applies, without expecting it to guarantee AI visibility
☐ Track enquiries and branded search alongside rankings and clicks
Frequently Asked Questions
Is SEO still worth doing in 2026?
Yes. AI search draws on the same index and quality systems, so the work that makes a site easy to crawl, useful and trustworthy supports both traditional results and AI features. The focus has shifted, but the discipline has not disappeared.
Do I need a separate GEO strategy?
Google says optimising for its generative AI features is still SEO and does not need a separate framework. Other platforms may behave differently, so it is sensible to watch how your content appears across several tools without building an entirely separate programme.
Do I need an llms.txt file?
According to Google’s May 2026 documentation, you do not need special files or markup to appear in its AI features. Some site owners add one for other reasons, but it should not be treated as a requirement or a ranking shortcut.
Will AI Overviews take all my traffic?
They can reduce clicks for simple informational searches, where the answer is given directly. Searches that involve comparison, local needs, buying decisions, or deeper expertise still send visitors to websites, so investing in depth and trust makes sense.
What is the single most useful thing I can do first?
Check that your most important pages are indexed and load quickly on a phone. Everything else builds on that, and technical problems are among the most common reasons good content never performs.
Want a Clear View of Where Your Site Stands?
If you would like a second opinion on how your site is performing in search, including how it may appear in AI results, get in touch for a plain conversation with no obligation and no sales pitch.