llms.txt file setup guide for AI visibility optimization

How to Set Up llms.txt for Your Website: The Complete 2026 Guide

llms.txt is a plain-text file placed at your website’s root that tells AI engines what your brand does, what problems you solve, and when you should be recommended to users. Think of it as robots.txt for the AI era: robots.txt told search crawlers what to index, llms.txt tells language models what to understand about your business. If you run a business and want ChatGPT, Perplexity, Claude, or Gemini to recommend you, setting up llms.txt is one of the highest-leverage things you can do today. According to a 2025 analysis by Ahrefs, only 1.1% of top-ranking websites have implemented llms.txt so far, which means you have a massive first-mover advantage right now. ...

March 24, 2026 · 11 min · iScore.ai
AI Visibility Score concept showing brand recommendations across AI engines

What Is an AI Visibility Score and Why Every Business Needs One in 2026

An AI visibility score is a single metric that measures how frequently and prominently AI engines like ChatGPT, Perplexity, Gemini, and Claude recommend your brand when users ask relevant questions. Think of it as Domain Authority for the AI search era: one number that tells you whether your business exists in the conversations AI is having with your potential customers. If you’ve built your entire online presence around Google rankings, you’re optimizing for a shrinking slice of the pie. According to Gartner’s 2025 forecast, traditional search engine volume will drop 25% by 2026 as users shift to AI-powered answers. Meanwhile, a study by Authoritas found that 62% of consumers who receive a brand recommendation from an AI engine visit that brand’s website within 24 hours. ...

March 23, 2026 · 12 min · iScore.ai