AIVIS Blog
AEO, GEO, llms.txt, and how AI answer engine visibility really works.
- 7/4/2026We scanned 8 major global brands with AIVIS: only 1 in 8 has an llms.txtA first pilot sample of well-known sites worldwide (Marriott, Stripe, Etsy, Zillow and others): methodology, raw data, and what it actually says about the state of AI visibility.
- 6/8/2026AIVIS WordPress plugin: installation and getting startedHow to install the AIVIS plugin on WordPress, connect it to your account, and apply AI visibility fixes (llms.txt, schema, robots) with one click.
- 6/1/2026Why only 11% of sources overlap between ChatGPT and PerplexityA widely-cited but rarely explained 2026 market stat: why different engines cite such different sources, and what it means for your AI visibility strategy.
- 5/25/2026Schema.org for AEO: which types actually matter (and which don't)Schema.org has hundreds of available types. For AI answer engine visibility, only a handful actually matter. Here's which ones, with ready-made examples.
- 5/18/2026What the Brand Perception Test is and how to read itThe Brand Perception Test runs a real prompt against configured AI engines and shows the raw answer. Here's how to interpret it without misreading what it actually means.
- 5/11/2026AI visibility for professional services: lawyers, accountants, consultantsPeople looking for a professional increasingly ask ChatGPT before searching Google. Here's what a firm needs to show up in those answers.
- 5/4/2026AI visibility for e-commerce: getting recommended by ChatGPTAI assistants are becoming a product discovery channel. Here's what it takes for an online store to get cited when someone asks for buying advice.
- 4/27/2026AI visibility for hotels and B&Bs: the practical guide"Best B&B in Florence near the city center" is already a real ChatGPT prompt. Here's what AI assistants check before recommending one property over another.
- 4/20/2026robots.txt and AI bots: which to block, which to allow (and why)Not all AI bots serve the same purpose: some train models, others answer real-time queries. Blocking or allowing them has very different consequences.
- 4/13/2026llms.txt: the complete guide with real examplesStructure, content, common mistakes and concrete examples for three different site types: an e-commerce store, a company blog, a local business site.
- 4/6/2026How to check if ChatGPT (or Perplexity) can actually see your siteThree concrete ways to find out if your site is visible to AI assistants: from a manual robots.txt check to an automated scan with section-by-section evidence.
- 3/18/2026How to measure whether ChatGPT, Perplexity and Gemini cite your brandMulti-engine prompt tracking tells you if, where, and with what sentiment your brand shows up in AI answers to the prompts that matter for your business.
- 3/2/2026GEO vs SEO: what actually changesGEO (Generative Engine Optimization) and SEO share the same foundations but optimize for different goals: clicks on a SERP vs. citation in a synthesized answer.
- 2/16/2026Why ChatGPT might not be able to see your siteMany robots.txt files unintentionally block AI bots (GPTBot, ClaudeBot, PerplexityBot) while allowing Googlebot. Here's how to check and fix it.
- 2/2/2026How AI engines choose which sources to citeChatGPT, Perplexity and Gemini don't pick sources at random: clear structure, structured data and signals of authority matter more than any trick.
- 1/19/2026What is llms.txt and why your site needs onellms.txt is the convention (robots.txt-style) for giving AI assistants a clean summary of your site: what to include, how to structure it, where to publish it.
- 1/12/2026What is AEO (Answer Engine Optimization)?AEO is the set of practices that make your site citable by AI answer engines like ChatGPT, Perplexity, Gemini and Claude — not just findable on Google.
Sources
On a benchmark of 10,000 queries, adding statistics, quotations and cited sources raised a page's visibility in generative-engine answers by up to 40%. Aggarwal et al., GEO: Generative Engine Optimization (KDD 2024)
The llms.txt proposal, published on 3 September 2024 by Jeremy Howard, gives language models a curated Markdown map of a site instead of thousands of HTML pages. Answer.AI, /llms.txt: a proposal to provide information to help LLMs use websites