If you want to know whether your site is visible in AI search engines, it is tempting to do the obvious thing: Open an AI search engine. Ask a broad question. Check whether your brand appears. That is fine as a curiosity test, but it is not a real diagnostic. If the brand does not show up, the failure could be anywhere. Maybe AI crawlers cannot reach the page. Maybe the site does not give AI systems a clear map. Maybe the page is technically weak for answer-style surfaces. Maybe the article is readable but not citable. Maybe the brand has weak entity association. Maybe competitors simply have stronger evidence. So I prefer to debug AI search visibility like a stack: Access Guidance Eligibility Citation readiness Visibility Benchmarking AIvsRank's Free AI Search and GEO Tools hub is useful because its tools line up with that stack. You can work from the lowest layer upward instead of guessing. 1. Access: can AI crawlers reach the page? Start here.…