GEO Research & Guides
Data-backed research on how AI search engines (ChatGPT, Gemini, Grok, Claude) choose which sites to cite — and exactly what to do about it.
GEO Research
Tool Comparison · 6 min read
Causabi vs Profound: SMB vs Enterprise AI Visibility (2026)
Profound raised $155M for enterprise AI monitoring at $500-2000+/mo. Causabi is for everyone else — SMBs, agencies, SaaS — at $20-99/mo with optimization included.
Tool Comparison · 7 min read
Causabi vs Otterly: Which AI Visibility Tool is Right for You? (2026)
Both tools track your mentions in ChatGPT, Gemini and other AI engines. Detailed comparison: pricing, API coverage, optimization features, and who each tool is for.
GEO Guide · 12 min read
How to Optimize for AI Search in 2026: The Complete GEO Guide
AI search handles 30%+ of queries. This is the complete guide to Generative Engine Optimization — technical, content, and authority signals — with the full checklist.
AI Search Visibility · 9 min read
Why ChatGPT Doesn't Mention Your Business (and How to Fix It)
Your competitor shows up when someone asks ChatGPT for a recommendation. You don't. Here are the 5 specific, fixable reasons — and exactly how to fix each one.
Schema & Structured Data · 8 min read
FAQ Schema Increases AI Citations by 41% — Research + Implementation Guide
Sites with FAQPage JSON-LD are cited by ChatGPT and Perplexity 41% more often than those without. Here's why it works and how to implement it correctly.
AI Search Engines · 10 min read
How ChatGPT, Perplexity, and Gemini Decide Which Sites to Cite
A technical breakdown of how each AI search engine finds and selects sources: OpenAI Responses API, Perplexity Sonar, and Gemini AI Overviews.
Technical GEO · 7 min read
The Complete Guide to llms.txt: How to Prepare Your Site for AI Agents
llms.txt is the robots.txt for AI. Learn the format, what to include, and how Claude, ChatGPT, and Perplexity agents use it.
SaaS Growth
Build in Public · 4 min read
AI Visibility Where You Already Work
What shipped this week: a critical WordPress onboarding fix, a GitHub Action that scores AI readiness in your PR, and a free no-website audit for local businesses.
Product Update · 7 min read
What's New in the AI Score: Prices, Hedging, Freshness — Lessons from 252k AI Answers
We updated the scoring model per the SIGIR 2026 study: a bonus for explicit prices, a penalty for hedged wording, more weight on freshness, three AI crawler classes. And what honestly didn't change.
Google Updates · 8 min read
Google Lighthouse Now Scores Your Site for AI Agents — Here's What Changed
Google released Lighthouse Agentic Browsing — an experimental audit checking WebMCP tools, accessibility tree, CLS, and llms.txt. Causabi now runs all 4 checks automatically.