Documentation
Learn how to measure, compare, and improve your brand's visibility across AI search engines.
The 2026 AI Bot Directory & User Agents
A complete list of User Agents for ChatGPT, Perplexity, Claude, and Gemini. Copy-paste configuration for your robots.txt.
Understanding your GEO Score
How ViaMetric calculates your Generative Engine Optimization score and how to improve it.
GEO vs SEO: The New Paradigm
Understanding the difference between Search Engine Optimization and Generative Engine Optimization.
The Ultimate GEO Checklist
A practical, fluff-free checklist to make your site visible to AI Search Engines (Perplexity, ChatGPT, Gemini).
How to Rank in Perplexity: The Guide to Answer Engine Optimization (AEO)
Perplexity is not a search engine; it's an answer engine. Learn the specific strategies to get cited as a primary source in AI-generated answers.
How to track Share of Voice (SoV) in AI Search
A step-by-step guide to measuring your brand's visibility in generative AI engines like ChatGPT, Perplexity, and Gemini.