ChatGPT Cites 10 Sources Per Answer. Perplexity Cites 22. And They Agree on Just 11% of Them.
Most AI visibility strategies treat “AI search” as a single target. Optimize for it, get cited in it, win. The problem: there is no single “AI search.” A study analyzing 680 million citations across seven AI platforms found that only 11% of domains cited by ChatGPT were also cited by Perplexity for the same queries. […]
llms.txt Gets 408 Clicks Out of 500 Million AI Bot Visits — And You Should Still Implement It Today
A monitoring study of over 500 million AI bot visits found that only 408 of them directly targeted an llms.txt file. That’s 0.00008% of all AI crawler traffic. Multiple large-scale analyses have found no statistically significant correlation between having an llms.txt file and your citation rate in ChatGPT, Perplexity, or Google AI Overviews. So why […]
The Top 3 Brands Capture 65% of AI Citations — Here’s How to Break Into That Group
In traditional search, visibility is roughly proportional to effort. Build enough authority, earn enough links, publish enough content, and you climb. Thousands of brands can share meaningful organic traffic across a topic. AI search doesn’t work that way. A large-scale brand tracking study found that the top brand in any sector captures 31.4% of all […]
93% of AI Search Sessions End Without a Click — Here’s How to Win Visibility You Never See
Traditional SEO had a clear objective: rank high enough that someone clicks your link. The metric was straightforward — impressions, clicks, CTR. You knew when you were winning because traffic showed up in your analytics. Agentic AI search breaks that model completely. When ChatGPT, Perplexity, or Google AI Overviews answer a question, 93% of those […]
ChatGPT Is Running Ads on 26% of Commercial Queries — Here’s What That Means for Your Organic AI Visibility
A new study published this week found that ChatGPT now displays sponsored results on 26% of commercial search queries. If you’ve been building your AI visibility strategy around organic citations — earning your way into AI answers through content and authority — this number should sharpen your focus. The window to establish organic positioning before […]
Google’s ARD Spec Is Live — And 99% of WordPress Sites Still Don’t Have ai-catalog.json
On June 17, 2026, Google published the Agentic Resource Discovery (ARD) specification alongside ten industry partners: Cisco, Databricks, GitHub, GoDaddy, Hugging Face, Microsoft, NVIDIA, Salesforce, ServiceNow, and Snowflake. The spec defines a standard for how AI agents discover, evaluate, and connect to capabilities across the web. You probably haven’t implemented it yet. Almost no one […]
Publish Everywhere, Get Cited Everywhere: The Off-Site GEO Playbook That Lifts AI Citations by 325%
Most website owners optimizing for AI visibility are making the same strategic error: they’re pouring all their effort into their own website while ignoring where AI systems actually go to find information. A 2026 analysis of AI citation patterns found that distributing content to a wide range of external publications increases AI citations by up […]
7 Structural Content Changes That Lift AI Citation Rates by 17% (No Rewriting Required)
In March 2026, researchers at the University of Tokyo, University of Tsukuba, Hiroshima University, and the National Institute of Informatics published a study that should change how every content team thinks about GEO. The paper — Structural Feature Engineering for Generative Engine Optimization — tested one specific hypothesis: can you improve AI citation rates by […]
AGENTS.md Fires First. llms.txt Handles Retrieval. ai-catalog.json Registers You. Here’s the Full Agentic Discovery Stack.
Most brands are debating whether to create an llms.txt file. A smaller group is also working on AGENTS.md. Almost nobody has heard of ai-catalog.json. By the end of 2026, all three will matter — and they serve completely different purposes at completely different moments in an AI agent’s workflow. If you’re only implementing one, you’re […]
ChatGPT Cites Domain Authority. Perplexity Cites Content Length. Here’s How to Win Both.
Two AI search engines. One search query. Two completely different sets of cited sources. Data from a 2026 audit across 11,000+ AI responses confirms that ChatGPT and Perplexity share only 11% of their cited domains. If you’ve been optimizing for AI visibility as a single unified goal, you’ve been solving the wrong problem. These platforms […]