Skip to content
visible4ai
E-E-A-T CheckerLearnAI File GeneratorPricing…
Sign inAccount
Go back

Blog

Notes on generative engine optimisation, AI crawlers and what we see in the data.

12 November 2026 · 7 min read

On 10 November OpenAI opened Business Hub: claim your company in ChatGPT, keep its details current, add a product feed, and see how often ChatGPT cites your website. Open wherever ChatGPT is available and the verification is supported; we are testing it with our own site. What launched, the five steps, and what is US-only or missing.

Mauro Miotti

  • 10 November 2026 · 3 min read

    Swiss SMEs keep their best content in PDFs: price lists, product sheets, the 40-page company brochure. AI answer engines mostly skip them. Why that is, and the two-hour job that fixes it.

    Saurav Chamoli

  • 10 November 2026 · 3 min read

visible4ai
E-E-A-T CheckerLearnBlogAI File GeneratorPricingContact
PrivacyTermsRefundsImprintCancel contracts hereWithdraw from contract

Featured on Product Hunt

© 2026 visible4ai. A product of Siempi AG.

We measure whether AI tools cite your website and show you how to improve.

en|

Your Impressum is the most trusted page on your site. AI assistants read it too

Swiss and German law makes you publish who you are. That obligation happens to produce exactly the page answer engines use to decide whether a company is real. Seven lines that turn a legal footer into a trust signal.

Mauro Miotti

  • 10 November 2026 · 4 min read

    Why ChatGPT gets your company name wrong, and how to fix it

    AI assistants describe companies from what the web says about them, and the web rarely agrees with itself. The five usual causes of a mangled name or a wrong description, and the fixes, from cheapest to slowest.

    Mauro Miotti

  • 10 November 2026 · 4 min read

    Why ChatGPT recommends your competitor: reviews, forums and the pages you do not control

    When an assistant names a company, the evidence usually came from somewhere other than that company's website. Where it comes from instead, why a Reddit thread outweighs your homepage, and what to do about it without faking anything.

    Mauro Miotti

  • 10 November 2026 · 3 min read

    Which schema markup still matters for AI search, and which you can stop adding

    Structured data was built for rich results that mostly no longer exist. Four types do real work for answer engines today, two are decoration, and one is actively misleading if you fill it in wrong.

    Saurav Chamoli

  • 10 November 2026 · 3 min read

    What is llms.txt, and should your website have one?

    llms.txt is a short Markdown file at the root of a website that tells AI systems what the site is and which pages matter. What goes in it, who reads it today, and a five-minute version you can publish this afternoon.

    Saurav Chamoli

  • 10 November 2026 · 3 min read

    Should you block GPTBot? What blocking AI crawlers costs a small business

    Half the robots.txt files we look at block at least one AI crawler, often by accident. Here is what each bot does, which ones you can block without losing anything, and which block makes you disappear from the answers.

    Saurav Chamoli

  • 10 November 2026 · 7 min read

    robots.txt for AI crawlers: how to block some, allow others, and check that it worked

    The whole robots.txt standard fits on one page, and most AI visibility problems we see start there. How the matching rules actually work, which bot does what in 2026, copy-ready files for the three common cases, and how to tell whether a crawler obeyed you.

    Saurav Chamoli

  • 10 November 2026 · 4 min read

    How to check whether ChatGPT, Perplexity or Gemini cite your website

    Four ways to find out if AI answers name your site, from asking the tools the right questions to reading your server logs for their crawlers, and what to change if the answer is no.

    Saurav Chamoli

  • 10 November 2026 · 4 min read

    Before you hire a GEO agency: seven questions and three red flags

    Every SEO agency now sells "AI visibility". Some of it is real work. Here is how to tell, what a fair engagement looks like for a company with a five-figure marketing budget, and the three promises that should end the meeting.

    Mauro Miotti

  • 10 November 2026 · 3 min read

    AI Overviews now sit on one in five German searches. A quarter plan for a Swiss SME

    SISTRIX measured AI Overviews on just over 20 % of German keywords; Pew found clicks halve when one appears. Four numbers worth knowing, and five things a small team can do in the next ninety days.

    Mauro Miotti

  • ChatGPT now lets you claim your business. What to do this week, and what not to expect
    Your PDF brochure is invisible to AI assistants. Here is what to do with it