AI discoverability
10 guides.
What is llms.txt and do you actually need one?
A practical guide to the llms.txt proposal: what it is, what it isn't, who's adopting it, and a copy-pasteable starter you can ship today.
Should you block GPTBot, ClaudeBot, and PerplexityBot? A 2026 decision matrix
Every site owner is making this call. Here's the actual tradeoff per bot: who's training, who's citing, who's sending traffic, and what each block costs you.
How to get cited by ChatGPT and Perplexity (and what counts as a citation)
Citation-driven traffic from AI assistants is a real channel now. Here's what the major LLMs actually look at when they decide whose URL to surface.
Google AI Overviews: how to get your site cited, and what changes about indexing
AI Overviews now sit above the blue links for a growing share of queries. Here's how Google picks the URLs it cites and what to change in your indexing playbook.
AI search is not killing SEO — it's adding a parallel game
Generative engine optimization and traditional SEO use mostly the same primitives. Here's where they diverge, and where one playbook works for both.
How to track AI bot traffic on your site (without a third-party pixel)
GPTBot, ClaudeBot, and PerplexityBot are crawling your site right now. Here's how to count them in your existing analytics — and why it matters.
Why “Best X” listicles are the most-cited format in AI search
Ahrefs analysed over a billion data points across AI chatbots: “Best X” listicles are the single most prominent format cited by AI Overviews and ChatGPT. Here's how to write one that gets pulled into answers.
AI Overviews change every 2.15 days — what that means for your visibility
Google's AI Overviews rewrite themselves roughly every two days, but their semantic meaning barely moves. Here's why volatility ≠ instability, and how to track your AI visibility without panicking at every wording change.
YouTube and brand mentions beat backlinks for AI visibility: the data
Across Ahrefs' AI search studies, YouTube mentions had the highest correlation (0.737) with AI brand visibility — above backlinks, Domain Rating, and traffic. Here's how to build the off-site signals that get you cited.
Crawled but not cited: closing the gap between AI bots reading you and engines quoting you
AI bots fetch your pages thousands of times a month, yet ChatGPT and Perplexity still don't cite you. That's the crawl-to-cite gap — here's why it happens and the exact playbook to close it.