The Geonimo Blog
GEO strategy, AI search research, and how to get your brand cited by ChatGPT, Google AI Mode, and Perplexity.
Tools and comparisons
10 Best AI Visibility Tools in 2026 (Honestly Compared)
The 10 best AI visibility tools in 2026: Geonimo, Profound, Peec AI, Otterly, Rankscale and more, compared on engines tracked and real pricing.
Guillaume Rufenacht9 Best GEO and AEO Tools in 2026, Honestly Compared
The 9 best GEO and AEO tools in 2026, compared on engines, methodology and real pricing: Geonimo, Profound, Peec AI, Otterly, Semrush, Ahrefs and more.
Guillaume Rufenacht12 Best AI SEO Tools in 2026 (By Job, Not Hype)
The best AI SEO tools in 2026, organized by job: AI visibility tracking, content optimization, technical SEO and research, with honest picks.
Guillaume Rufenacht8 Best Free AI Visibility Tools in 2026
Free tools to check your brand's AI search visibility: crawlability checkers, llms.txt generators and free audits, honestly compared.
Guillaume RufenachtGuides
What Is Generative Engine Optimization (GEO)? The Definitive Guide
Generative engine optimization (GEO) gets your brand named and cited in AI answers. Definition, GEO vs SEO, the full workflow, and how to measure it.
Guillaume RufenachtHow to Use Geonimo: Complete Guide to Mastering GEO
Step-by-step Geonimo guide: setup, daily tracking across three AI engines, competitors and citations, recommendations, PR opportunities and reports.
Guillaume RufenachtWhat Is Query Fan-Out? The Hidden Searches Behind AI Answers
Query fan-out is how AI Mode and ChatGPT split one question into hidden searches before answering, why it decides citations, and how to see them.
Guillaume RufenachtChatGPT SEO: How to Optimize Your Brand for ChatGPT (2026)
How ChatGPT picks brands and sources, a 5-step playbook to get named first, and how to measure whether your ChatGPT SEO is working.
Guillaume RufenachtHow to Track Brand Mentions in Gemini: Manual Methods and Tools
A step-by-step manual method to track brand mentions in Google Gemini, the five things to record, and an honest look at what tools cover today.
Guillaume RufenachtHow to Track Google AI Overviews: Methods, Metrics and Tools
How to track Google AI Overviews: when they trigger, whether your brand is named, which sources are cited, and how to automate it.
Guillaume RufenachtHow to Track Brand Mentions in ChatGPT: 3 Methods, Free to Automated
Track whether ChatGPT mentions your brand: free manual sampling, DIY API scripts, or automated daily tracking, plus the five metrics to record.
Guillaume Rufenacht
How to Get Cited by AI Search Engines: AI Search Optimization Guide
How ChatGPT, Perplexity, Claude and Gemini pick their sources, the seven traits of cited pages, and how to measure your citation rate.
Guillaume RufenachtHow to Run an AI Visibility Audit: 6 Steps, Scorecard, and Checklist
A step-by-step AI visibility audit: build your prompt set, baseline ChatGPT, Google AI Mode and Perplexity, map competitor gaps, fix citability.
Guillaume RufenachtGEO Reporting for Agencies: What Clients Expect in 2026
How agencies report AI search visibility in 2026: the 9-section monthly GEO report, the KPIs that replace rankings, and how to price the retainer.
Guillaume RufenachtThe AI Share of Voice Formula: Measuring AI Visibility and Revenue
The AI share of voice formula, the KPIs that matter for AI search, and how to attribute traffic and revenue from ChatGPT, AI Mode and Perplexity.
Guillaume Rufenacht
AEO vs SEO vs GEO: What's the Difference and Which Do You Need?
SEO ranks pages, AEO makes you the direct answer, GEO gets your brand named in AI answers. How the three differ, overlap, and fit together.
Guillaume RufenachtResearch
ChatGPT Ads in Brazil: From Zero to 17% of Answers in 11 Days
Sponsored placements in Brazilian ChatGPT answers went from zero to 17% in 11 days in August 2026: the fastest ChatGPT ads rollout we have measured.
Guillaume RufenachtWe Analyzed 2.1M Sources Cited by AI Search Engines
2.1M sources cited by ChatGPT, Google AI Mode and Perplexity: corporate pages dominate (60.6%), Reddit leads by 3x, and the long tail takes 73.5%.
Guillaume RufenachtState of AI Search Visibility 2026: Findings from 50,000+ Answers
What 50,000+ AI answers reveal in 2026: freshness beats authority, FAQ schema lifts citations 3.2x, and the top 10% of brands take 68% of mentions.
Guillaume RufenachtWhy ChatGPT Citations Drop After Model Updates (GPT-5 Case Study)
ChatGPT citations dropped after the GPT-5.3 and 5.4 releases. What happened, why it repeats with every model update, and how to protect your share.
Guillaume Rufenacht