12.7% of 102 scanned business sites returned HTTP 403 to an AI crawler even though robots.txt explicitly allowed it. A firewall setting nobody had reviewed was overriding a policy nobody had written. For a SaaS company, this means a product site that appears open to crawlers may still be excluded from AI-generated tool recommendations because of a rule that nobody set intentionally.

Only 3 of 105 scanned business sites (2.9%) opened with a passage a machine could lift and quote as an answer. The qualifying passage had to be self-contained, specific, and attributable -- a sentence that stands alone without surrounding context. For a SaaS product, this means the homepage is almost certainly not structured to give an AI a quotable description of what the product does -- buyers asking AI for tool recommendations get a generic answer.

84 of those 99 failing sites had no concrete, citable claim near the top of the homepage. The first specific fact appeared after a hero, a tagline, and a list of feature names -- the worst possible structure for answer-engine extraction. For a SaaS homepage, a hero headline and a features list give AI nothing to quote when a buyer asks what the product actually does.

77.9% of the 653 reachable Tranco top-1,000 sites block no AI crawler at all. The sites that are open get read. The ones that are accidentally closed -- blocked by a default they never set -- do not know it. For a SaaS company, the products that appear in AI shortlists are almost universally the ones whose sites are fully open -- accidental blocking is a competitive disadvantage that does not show up in normal analytics.

Of 13 edge-level AI crawler blocks found across 102 scanned sites, only 2 were intentional. The other 11 were invisible -- a CDN default that nobody had reviewed and no robots.txt rule reflected. For a SaaS company, this means most AI-crawler blocking is not a privacy or competitive decision -- it is a default that no one reviewed and that no standard monitoring tool surfaces.

A study measuring what lifts content into generative-engine answers found that adding attributed quotations produced approximately 41% position-adjusted visibility lift. Keywords and formatting tricks did not produce the same result. For a SaaS product, pages that cite specific results, customer outcomes, or attributed statistics have a measurable advantage over pages built around positioning language and feature lists.