April 16, 2026
How to Check If ChatGPT Recommends Your Business
Learn how to check if your business appears in ChatGPT and Perplexity recommendations. Discover why you're missing and how to improve AI visibility for local search.
8 min read →
The CentNine journal
Field notes from the
new search era.
Practical, tested guides on getting found by Google and recommended by ChatGPT, Perplexity, Claude and Gemini. No theory for the sake of it.
All articles
April 15, 2026
How to Rank in Perplexity AI
Learn how to rank in Perplexity AI using answer-first content, topical authority, and E-E-A-T strategies. Get cited and drive more traffic easily.
9 min read →
April 13, 2026
GEO vs SEO: What’s the Difference and Why It Matters in 2026
GEO and SEO aren't the same. Traditional SEO still drives 70% of search volume, but AI-powered tools like ChatGPT and Perplexity are changing how content gets found. Learn the key differences and how to optimize for both in 2026.
8 min read →
April 4, 2026
How to Get Your Business Cited by ChatGPT
Learn how to get your business cited by ChatGPT using proven GEO strategies. Step-by-step guide covering technical setup, content optimization, and authority building to boost AI visibility.
10 min read →
Free visibility audit
Reading is good.
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See exactly how your business appears on Google and AI platforms today — and what's missing. No pitch, no pressure.
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