1. Why South Africa Can't Sit This Out
This isn't a future trend — it's already reshaping how South Africans find businesses. Sub-Saharan Africa's AI adoption rose from roughly 16% in 2023 to around 28% in 2025, and a 2025 Capgemini consumer study found that 58% of people have already replaced traditional search engines with AI tools for product and service discovery. AI Overviews are already live in South African Google results, and industry analysis puts global brands without any deliberate GEO strategy at around 47% — a gap that's almost certainly wider here, where most marketing teams are still optimising purely for classic Google rankings.
2. How Each Platform Actually Chooses What to Cite
This is the part most agencies skip, because it's easier to sell "AI SEO" as one service. In practice, the three platforms weigh almost entirely different signals.
| Platform | Primary Signal | Freshness Sensitivity | What Moves It |
|---|---|---|---|
| ChatGPT | Training data plus live web browsing for current queries | Moderate — browsing mode favours recently updated, well-structured pages | Clear, quotable answers; consistent entity information (name, service, location) repeated across the web |
| Perplexity | Real-time web search with heavy inline citation | High — strongly favours current, frequently-updated content | Direct-answer formatting, data tables, and pages that read as a citable source rather than a sales pitch |
| Google AI Overviews | Synthesises from pages already ranking well organically | High — tracks close to normal Google freshness signals | Strong technical SEO fundamentals plus structured data (schema) — AI Overviews rarely cite a page that wasn't already ranking |
That last row is why a technically sound foundation isn't optional for Google AI Overviews specifically — it's a prerequisite. Pages updated within the last two months also earn meaningfully more AI citations across all three platforms than stale ones, so "publish once and forget it" doesn't work here the way it sometimes did for traditional SEO.
3. Five Things That Move All Three at Once
Rather than running three separate strategies, these five fundamentals influence citation likelihood across ChatGPT, Perplexity and Google AI Overviews simultaneously.
- Structured data (schema). FAQ, Service, and Organization schema give every platform a machine-readable version of your answer, not just a page for a human to read.
- Disclosed, specific data. Real numbers, named sources, and honest limitations get cited more than vague marketing claims — AI models are trained to discount obvious self-promotion.
- Direct-answer formatting. Quick-answer blocks, tables, and numbered steps near the top of a page are the easiest content for any of these platforms to lift and cite.
- Recent updates. Content refreshed within the last couple of months consistently earns more citations than content left untouched for a year.
- Topical authority through internal linking. A cluster of connected, specific pages signals real expertise — a single isolated page rarely does.
4. Check Your Own AI Visibility in 5 Minutes
This costs nothing and takes less time than reading the rest of this page.
- Open ChatGPT, Perplexity, and Google (with AI Overviews) in three tabs.
- In each one, ask a question a real customer would ask — not your business name, the actual need (e.g. "who does AI search optimisation in Cape Town").
- Note whether your business is mentioned at all, and if so, whether the details given are current and accurate.
- In Google Search Console, filter your Queries report for "chatgpt", "perplexity", and "ai" — see what's already showing impressions with zero clicks, the same pattern we found in our own data.
- If you're invisible across all three, or only mentioned inaccurately, that's the gap this page exists to close.
FAQs
Does ChatGPT actually cite South African businesses?
Yes — South Africa is one of ChatGPT's most active markets globally and the most active on the African continent, so there's a real, sizeable audience asking these questions. The gap is that most South African businesses haven't structured their content in a way that gives ChatGPT anything confident to cite.
Is optimising for Perplexity different from optimising for ChatGPT?
Meaningfully, yes. Perplexity leans much harder on real-time web search and inline citation than ChatGPT does, so freshness and direct-answer formatting matter more there. A page built only with ChatGPT in mind will usually underperform on Perplexity.
Do Google AI Overviews need different SEO to normal Google ranking?
Not entirely different — but AI Overviews almost always draw from pages that were already ranking organically, so the technical SEO foundation matters more here than for the other two platforms, not less.
How long does it take to get cited?
It varies by platform and by how much of a technical and content gap exists to close first. What we can say is that content left untouched for a year consistently underperforms freshly updated content across all three platforms, so this isn't a "publish once" exercise.