Guides

GEO, AI search, and brand visibility — explained plainly

Grounded guides on generative engine optimization: what's real, what's cited research, and what's honestly still unknown. No invented stats, no guaranteed formulas.

Research

Which Sites Block AI Crawlers? We Read 4,762 robots.txt Files

Training crawlers are blocked twice as often as AI search crawlers. Who blocks what, from an October 2026 crawl of the top 10,000.

Research

llms.txt Adoption: How Many of the Top 10,000 Sites Have One?

16.1% of top websites serve an llms.txt, and about half of those files break the format.

Research

Structured Data on the Top 1,000 Homepages: What AI Crawlers See

JSON-LD, Organization markup and visible text on 486 homepages, read without JavaScript.

Research

robots.txt Mistakes and New Directives in 4,762 Top Sites

The lines crawlers silently skip, Crawl-delay and Noindex leftovers, and early Content-Signal adoption.

Research

Do AI Visibility Tools Follow Their Own Advice? 18 Vendors Checked

Robots.txt, llms.txt and structured data on 18 vendors’ homepages, ours included.

GEO Tactics

How to Get Your Brand Mentioned by Claude

Claude’s three crawlers, the three search providers Anthropic lists, and a plan.

GEO Tactics

How to Get Your Brand Cited by Perplexity

How Perplexity finds and footnotes pages, and how to become one of them.

GEO Tactics

How to Get Your Brand Mentioned by Gemini

Grounding in Google Search, and the Google-Extended setting most sites misread.

GEO Tactics

How to Appear in Google AI Overviews and AI Mode

Google’s own requirements, query fan-out, and the controls that keep you out.

GEO Tactics

How to Get Your Brand Cited by Microsoft Copilot

Copilot asks Bing a few words and cites what comes back. What that means for you.

Measurement

How to Test Whether a GEO Change Actually Worked

A practical experiment design for GEO, with the sample sizes you need to detect a real lift.

Research

ChatGPT vs Gemini vs Claude: Which AI Assistants People Search For in the US and UK

Monthly Google searches for nine AI assistants in the US and UK, and what it means for where to be visible.

Research

GEO, AEO or LLM SEO? What 2026 Search Data Says the Field Is Called

US and global search demand for GEO, AEO, LLM SEO and AI-visibility terms, with the full table.

Research

Which AI Crawlers Do Site Owners Look Up? Search Data for 16 Bots

Search demand for 16 AI crawler names: what site owners look up, and the search crawlers they overlook.

Research

The GEO Keyword Map: 29 AI-Search Terms by Difficulty, Volume and CPC

Difficulty, volume, CPC and traffic potential for 29 GEO and AEO terms, easiest first.

Measurement

How Many AI Answers Do You Need to Measure Visibility? The Margin-of-Error Math

Confidence intervals and minimum detectable changes for AI visibility scores, from 5 answers to 400.

Measurement

How to Calculate AI Share of Voice, Visibility and Average Position

Exact formulas for AI visibility rate, share of voice and average position, with a worked example.

Templates

An AI Visibility Report Template for Agencies and In-House Teams

A copy-ready monthly AI visibility report for clients: sections, metrics, tables and honest wording.

Research

The AI Visibility Tool Market in 2026: Who Gets Found, by the Numbers

Organic traffic, domain rating and branded search demand for 18 AI visibility vendors, ourselves included.

Research

What People Ask Google About AI Search: 300 Real Questions, Ranked

300 real Google questions about AI search visibility, with volumes, grouped into eight themes.

GEO Fundamentals

What Is Generative Engine Optimization (GEO)? A Practical Guide

What GEO is, how it differs from SEO, why it exists, and what's actually in your control today.

AI Search Tools

AI Citation Checker vs. SEO Rank Tracking: What's the Difference

What a rank tracker measures vs. what an AI citation checker measures, and where the two genuinely overlap.

GEO Tactics

How to Get Your Brand Mentioned by ChatGPT and Claude

Honest, practical tactics — and a clear-eyed look at what nobody can actually guarantee.

GEO Measurement

The Buyer Questions AI Assistants Actually Get Asked

What a realistic AI buyer question looks like, and why testing one prompt isn't enough.

Local SEO

GEO for Local Businesses: Getting AI to Recommend You in Your City

How location-qualified AI answers work, grounded in real local-SEO research.

Structured Data

Does Structured Data Actually Help AI Citations? What We Know

What schema.org markup actually does for AI crawlers, versus unproven SEO folklore.

AI Search Trends

Why AI Recommendations Matter More Than Google Rankings in 2026

What the real usage and zero-click data says about how buyers research now — and what it doesn't.

AI Ranking Factors

How AI Assistants Choose Which Brands to Recommend (And What's Still a Black Box)

What's publicly documented — and what's genuinely not knowable from outside the model provider.

GEO Best Practices

The GEO Checklist: What to Check Before You Worry About AI Rankings

A practical, prioritized checklist — starting with knowing your baseline, not chasing tactics.

Brand Monitoring

How to Track Whether AI Assistants Mention Your Brand

Manual spot-checks, one-off checks and weekly tracking compared, and what to look for in a tracking tool.

Technical GEO

AI Crawlers and robots.txt: Which Bots to Allow

GPTBot, OAI-SearchBot, ClaudeBot and Google-Extended do different jobs. What blocking each one changes, and a robots.txt to copy.

Technical GEO

What Is llms.txt, and Does It Help AI Visibility?

The format, who reads it today, what to put in yours, and why it isn’t the reason an assistant recommends you.

Measurement

How to Track ChatGPT and AI Referral Traffic in GA4

A custom channel for AI assistants in ten minutes, the regex to paste, and the AI traffic GA4 will never show you.

Reference

AI Search Glossary

GEO, AEO, share of voice, grounding, AI Overviews, GPTBot, llms.txt and more, each defined in a sentence or two.

Free tools

Comparisons

Run a free check