SEO in 2025: What's Changed and What Still Works for South African Websites

The Search Landscape Has Fundamentally Changed

Google is no longer just a search engine. It's an answer engine. AI Overviews, featured snippets, People Also Ask boxes, and AI Mode are all stealing clicks before users ever reach your website.

At the same time, new disciplines have emerged: GEO (Generative Engine Optimisation) and AEO (Answer Engine Optimisation) — both focused on getting your content cited by AI systems rather than just ranked by algorithms.

Here's how to navigate all of it.

Traditional SEO: What Still Works

Despite the changes, the fundamentals remain:

• Technical excellence: Fast sites, clean code, proper indexing, XML sitemaps
• Authoritative backlinks: Links from credible, relevant domains
• E-E-A-T: Experience, Expertise, Authoritativeness, Trustworthiness
• Local SEO: Google Business Profile, local citations, location-specific content
• User intent matching: Content that truly answers what people are searching for

These aren't going anywhere. Build on them.

AEO: Answer Engine Optimisation

AEO is about structuring your content so AI systems and voice assistants can extract and cite your answers directly.

How to Optimise for AEO:

1. Use question-and-answer format — structure sections as direct questions with clear, concise answers
2. Add FAQ schema markup — tells search engines exactly where your Q&A content lives
3. Answer the question in the first sentence — don't bury the answer in paragraph 4
4. Use numbered and bulleted lists — AI systems love structured data
5. Cover the full topic — breadth and depth signal authority

GEO: Generative Engine Optimisation

GEO focuses on getting your content cited in AI-generated responses (ChatGPT, Google AI Overviews, Perplexity, etc.).

How to Optimise for GEO:

1. Publish original research and data — AI systems prefer unique, citable facts
2. Write about your specific expertise — niche authority beats broad generalism
3. Use clear entity markup — help AI understand who you are, what you do, where you are
4. Build citations and mentions — the more places you're mentioned, the more AI trains on your brand
5. Create content AI wants to summarise — comprehensive, well-structured guides

Local SEO for South African Businesses

For South African businesses, local SEO remains enormously powerful and less contested than in mature markets.

Priority actions:

• Complete and verify your Google Business Profile
• Collect genuine reviews consistently
• Build local citations (directory listings, chamber of commerce, industry associations)
• Create location-specific content ("web design in Johannesburg", "branding agency Cape Town")
• Add LocalBusiness schema markup to your website

The Content Quality Shift

Google's Helpful Content updates have made one thing clear: content written for users beats content written for algorithms.

In 2025, this means:

• Longer, more comprehensive articles
• First-hand experience and opinion
• Content that goes beyond what's already ranking
• Regular updates to keep content current

What UNION Design Does for SEO

Every website we build includes SEO foundations as standard: clean URL structure, meta tags, schema markup, sitemap, and performance optimisation. For clients who need ongoing content strategy, we offer retainer packages that include blog content, technical audits, and local SEO management.

Get in touch to discuss your SEO strategy.