GEO research & guides
Original analysis on how AI engines cite brands — and practical playbooks for showing up in ChatGPT, Claude, Perplexity and Google AI. Built by the team behind llemmy.
Content freshness and AI citations: what the data actually shows
AI answer engines rerank retrieved pages and the citation data skews hard toward recently updated content. What the studies say, where the effect is real vs correlational, and a practical refresh playbook.
Track and improve your AI visibility from WordPress
Most of the web runs on WordPress, and it is where your content actually lives. The free llemmy for WordPress plugin measures how AI engines cite you and turns citation gaps into content briefs, without leaving wp-admin.
How to measure content effectiveness in AI search
Publishing content and hoping AI notices is not measurement. Here is how to run a content campaign against AI visibility: baseline first, read the change against a confidence interval, and find which pages actually win citations.
How llemmy measures AI visibility (and what we don't claim)
Exactly how llemmy derives every number: presence as a rate, with sample size and a 95% Wilson confidence interval, over your recent answers. Plus an honest account of what a confidence interval does not fix.
What AI engines actually cite: 37,547 citations analyzed
We analyzed 37,547 citations across 5,200 AI answers from ChatGPT, Claude, Gemini, Perplexity and Google AI Overviews. Only 5% pointed to the brand's own site. Here is what AI actually cites, and what it means for GEO.
How to track your brand across AI search engines
A practical playbook for monitoring how ChatGPT, Claude, Gemini, Perplexity and Google AI cite your brand: which prompts to track, how often, and how to read the numbers honestly.
AI share of voice: how to measure it without fooling yourself
Share of voice in AI answers tells you how often engines pick you over rivals. Here is how to calculate it correctly, why branded prompts ruin it, and how to read it per engine and per topic.
What makes a page AI-readable: a practical GEO checklist
AI engines cite pages they can fetch, understand and trust. Here is a practical checklist for making your content AI-readable, and the common reasons engines skip a page that ranks fine on Google.
The AI Citation Gap: where you win on Google but lose the AI answer
Your AI Citation Gap is the set of queries you rank for on Google but never get cited for in AI answers. Here is how to find it with Search Console, prioritize it by traffic value, and close it.
Why llemmy doesn't track branded prompts like other tools
Branded prompts return ~100% AI visibility by construction, which quietly inflates your reporting. Here is why llemmy keeps them out of the headline score and routes them into sentiment and accuracy instead.
The State of AI Search & GEO in 2026
How AI engines like ChatGPT, Claude, Perplexity and Google AI cite brands in 2026: what Generative Engine Optimization (GEO) is, the AI Citation Gap, and how to show up in AI answers.
The llemmy Tag: measure the traffic & revenue AI search actually drives
A practical guide to the llemmy Tag: a one-line, cookieless script that measures the humans who arrive from ChatGPT, Perplexity, Gemini and other AI answers, and ties them to revenue.