6Signal Research

Research &
Intelligence.

Field notes, visibility studies, white papers, and tactical briefings on how companies get found across search, AI answers, Maps, directories, and voice.

Featured White Paper
White Paper

The Question Cluster Advantage

How to Structure Content for the Shift from Search Rankings to AI Answers

A research-backed white paper on question clusters, AEO, GEO, topical authority, and how companies should structure content for AI search and answer engines.

34 min read· Question Clusters· AEO· GEO
Market Map
Market Map·Tool Index·May 2026

The AI Visibility Tools Index

A practical field guide to AEO, GEO, AI visibility, prompt tracking, citation tracking, brand monitoring, and answer-engine visibility tools. Includes funding data, tool profiles, and a buyer framework.

View the Index

82 tools reviewed

AEO · GEO · Local · Enterprise

White Papers3 papers
All Research25 posts
Field Note·18 min read

Apple Maps Ads Are Coming. Dallas–Fort Worth Businesses Should Get Ready Before the Local Search Auction Gets Crowded.

Apple Maps Ads are coming to the U.S. and Canada. Here's why Dallas–Fort Worth businesses should claim, clean up, and optimize their Apple Maps presence before local search gets more competitive.

Training·12 min read

What Contractor Reviews Need to Say for AI Visibility

A practical guide to earning contractor reviews that clarify services, locations, urgency, outcomes, and trust signals for local SEO and AI visibility.

Training·12 min read

How to Write Service Page FAQs for AEO

Learn how to write service page FAQs that answer real buyer questions, support SEO, and create better source material for AEO and GEO.

Training·13 min read

How to Fix Your Google Business Profile for AI Visibility

A practical training guide for making your Google Business Profile clearer for local SEO, AI search, Maps, and answer-engine visibility.

Insight·12 min read

The Source Ecosystem: How Third-Party Mentions Feed AI Recommendations

AI search does not rely only on your website. Learn how directories, reviews, associations, videos, partners, and third-party mentions shape recommendation visibility.

Insight·11 min read

What AI Search Reveals About Your Brand

AI search exposes how clearly the web understands your brand. Learn what answer engines reveal about entity clarity, trust, content, and positioning.

Field Note·11 min read

The 6Signal Visibility Audit: What We Measure and Why

A real AI visibility audit measures more than rankings. Learn how 6Signal evaluates search, AI answers, Maps, reviews, directories, schema, and conversion.

Training·12 min read

How to Test Whether AI Recommends Your Business

A practical method for testing whether AI search tools name, cite, skip, or replace your business when buyers ask high-intent questions.

Insight·10 min read

Why Contractor Content Should Start With Buyer Questions, Not Keywords

Contractor content should start with buyer questions, not isolated keywords. Learn how questions reveal intent and improve SEO, AEO, and GEO.

Insight·12 min read

Question Clusters: The Content Architecture of AEO

Question clusters are the content architecture behind AEO, GEO, and AI visibility. Learn how to organize buyer questions into answer-ready systems.

Training·13 min read

How to Build an Answer-Ready Service Page

An answer-ready service page helps buyers, Google, and AI systems understand what you do, who you serve, where you work, and why you can be trusted.

Insight·12 min read

Why Directories and Aggregators Keep Winning AI Answers

Directories and lead aggregators often appear in AI answers because they are structured, crawlable, category-specific, and easier to parse.

Insight·10 min read

Reviews Are No Longer Just Social Proof. They Are AI Visibility Data.

Reviews help buyers trust a business, but they also help AI systems understand services, locations, urgency, outcomes, and credibility.

Insight·10 min read

Why AI Search Skips Better Contractors

Strong contractors often get skipped by AI search because their entity, services, reviews, and local proof are unclear across the web.

Insight·10 min read

GEO vs AEO vs AI SEO: What Actually Matters for Businesses

GEO, AEO, and AI SEO are often used interchangeably. Here is what the terms mean, where they overlap, and what businesses should focus on.

Insight·9 min read

AEO Is Not SEO With AI Sprinkled On Top

AEO is not just SEO with AI language added. It is the discipline of becoming clear, credible, and answer-ready across AI search surfaces.

Insight·10 min read

The Recommendation Layer: Why Being Named Matters More Than Ranking

Search is shifting from ranked lists to AI-generated shortlists. Learn why being named by answer engines may matter more than traditional rankings.

Insight·7 min read

The Local Entity Gap in Contractor Marketing

Many contractors lose visibility because their local entity signals are scattered. Learn how inconsistent data hurts AI, Maps, and search.

Insight·6 min read

Why Contractor Content Should Start With Questions, Not Keywords

Contractor SEO is shifting from isolated keywords to buyer question clusters. Learn how to build content for AI answers and local search.

Insight·6 min read

Ranking Is Not the Same as Being Recommended

Contractors can rank in search and still be skipped by AI answers. Learn why recommendations now depend on signals, not just rankings.

Field Note·8 min read

Why Your Contractor Website Is Not Converting

Most contractor websites do not convert because they are vague, generic, slow, confusing, and missing trust signals. Here is how to fix it.

Field Note·7 min read

The 6Signal Audit: What We Check Before We Recommend Anything

The 6Signal Audit evaluates a contractor's website, SEO, AI visibility, conversion flow, reviews, and lead capture before recommending what to fix.

Insight·7 min read

AI Visibility for Roofers: The New Local SEO

AI visibility is becoming the next layer of local SEO for roofing companies. Here is what roofers need to fix first.

Insight·8 min read

How Contractors Can Show Up in ChatGPT, Perplexity, and Google AI Overviews

Homeowners are asking AI engines who to call before they ever open Google. Here's exactly how to get your contracting business named in those answers.

Insight·6 min read

Why Your Google Business Profile Is Costing You Leads Right Now

Most contractor GBPs are misconfigured in ways that directly suppress AI recommendations, Maps rankings, and local search visibility. Here's what to fix first.

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