Software Development
AI Search Engine Optimization: What South African Businesses Need to Get Right
AI search engine optimization is about making your website readable by ChatGPT, Gemini and Perplexity, not just Google. This post breaks down what actually works, the honest trade-offs most agencies won't mention, and how one business built AI discoverability directly into its CMS architecture.
AI search engine optimization means structuring your website so tools like ChatGPT, Gemini and Perplexity can read, understand and cite your business accurately when someone asks a question, instead of typing it into Google. For South African founders it matters because a growing share of buyers now ask an AI assistant for a recommendation before visiting a single website.
What AI Search Actually Looks For on Your Website
AI search engines do not crawl your website the way Google's classic crawler does. Google indexes pages to rank them against a query. An AI system like ChatGPT or Gemini reads a page to extract facts it can restate in its own answer, stitched together from several sources at once. Instead of chasing a link at position one, you are trying to be the source a model trusts enough to quote.
This rewards clarity over cleverness. Plain factual statements, headings that match real questions, schema markup labelling what a business does and where, and content that answers a question in its first sentence get picked up more reliably than copy that buries the answer three paragraphs down. This is the core idea behind generative engine optimization: writing for a model that summarizes, not a crawler that ranks.
A newer piece of this is the llms.txt file, a plain-text summary of a site's structure, written so AI crawlers can find a business's real offering without guessing from marketing language. It is not yet a universal standard, but the businesses adopting it now are the ones showing up when an AI assistant is asked a direct question about their industry.
The Honest Trade-off: Most Businesses Are Buying a Slogan, Not a System
AI search is not a future concern. ChatGPT alone reached 900 million weekly active users as of February 2026, up from 800 million four months earlier, according to OpenAI's own announcement, reported by TechCrunch, a scale growing faster than any search platform Google itself has ever posted.
The South African picture is smaller but moving the same direction. The Reuters Institute's Digital News Report 2026 found that 15% of South Africans under 25 already use AI chatbots as a source for news, a habit that barely existed three years ago, per the Reuters Institute's South Africa country page. Younger buyers are already asking an AI assistant, not Google.
Here is the trade-off most agencies selling "AI SEO" retainers will not say out loud: schema markup and answer-ready copy sit on top of your CMS, not inside it, which is exactly the kind of architecture decision no AI code generator can make for you. A CMS that only stores content for a template to render gives an AI crawler nothing more than what is already on the page. On a recent engagement for a maritime holding group with six subsidiary brands, we built the group's self-hosted Strapi 5 CMS with dynamic API endpoints that generate structured /llms.txt files directly from the CMS content, so the group's real corporate structure and open job roles stay accurate for AI crawlers without anyone manually maintaining a separate feed each time a subsidiary changes. That only works because discoverability was part of the content architecture from day one, not bolted on afterward the way AI features get rushed into most small business tools.
How to Think About This for Your Own Business
If your business depends on being found for a specific service, industry or location, act on this now, because early, structured adopters are the ones AI models are learning to trust. If your business runs mostly on referrals, it is a lower priority; spend the budget on the relationship instead. Either way, ask a developer not "can you do AI SEO" but "does our content management system expose structured data an AI crawler can read directly," and whether that lives inside the web app itself, not a spreadsheet someone updates by hand.
Businesses treating this as a one-off content project redo the work every time their offering changes. Businesses that build it into how their site works do not, because the structured output updates itself whenever the content does, the same shift in thinking behind designing database schemas so AI agents can query a business directly rather than just crawl a page.
AI search optimization rewards businesses that get their facts structured once, correctly, not businesses paying a monthly retainer to restate the same facts differently. If your offering genuinely changes (locations, services, open roles, pricing), build that structure into the system itself. If it rarely changes, a one-time schema pass will do. Either way, the businesses showing up in AI answers this year treated discoverability as an engineering decision, not a marketing line item.
Questions About AI Search Engine Optimization
What is AI SEO (AI search engine optimization)?
AI SEO is the practice of structuring website content so AI systems such as ChatGPT, Gemini and Perplexity can read, understand and cite a business when answering a question. It includes schema markup, direct factual writing and machine-readable files like llms.txt generated straight from your CMS.
How do I get my business recommended by AI tools like ChatGPT?
Write clear, factual content that answers real questions directly, add schema markup labelling your business type and location, and make sure your CMS can generate a structured llms.txt from its own content, not a manually updated file. AI tools recommend businesses whose facts are easy to verify, not the ones with the most marketing copy.
How is AI search changing SEO in South Africa?
It is shifting behaviour toward direct answers rather than lists of links, particularly among younger users. Reuters Institute data shows 15% of South Africans under 25 already use AI chatbots as a news source, a habit that barely existed before 2023.
What is the difference between GEO and SEO?
SEO optimizes a page to rank in a list of links for a search engine's crawler. GEO, generative engine optimization, structures content so an AI model can extract and cite facts inside a generated answer. Both rely on clarity and schema markup but differ in what success looks like: a rank versus a citation.
How long does it take to see results from AI SEO?
There is no fixed timeline, since AI models refresh training and retrieval sources on different schedules. Structural changes like schema markup and llms.txt files can be picked up within weeks by tools that browse live, such as Perplexity, while deeper citation behaviour shifts more slowly.
Is there a free AI SEO tool?
Google's Rich Results Test and Schema.org's validator are free and check whether your schema markup is readable by search and AI systems. No single free tool audits AI-citability directly yet, since the field is new, but validating your structured data correctly is the highest-value free step today.
What is schema markup and why does it matter for AI search?
Schema markup is structured code added to a webpage that labels what something is: a business, a service, a job listing, a review. It matters for AI search because it removes guesswork, giving a model a direct, verified fact instead of one it has to infer from surrounding text.
Are South African business websites ready for AI search yet?
No, most are not. The dominant SA offerings around AI search are generic marketing retainers focused on schema markup and copy, not on whether the CMS can expose structured, current data automatically. Businesses whose content systems generate that structure natively are still the exception, not the norm.
Arnaud Brunel
Founder, Brunel Studios
Arnaud Brunel is the founder of Brunel Studios, a software product studio based in Cape Town. He has spent the last 8 years building digital products for founders and SMEs across South Africa and Africa, working across mobile, web and AI-native platforms.
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