Only 8.9% of sites block AI crawlers, but 94.8% are never cited in AI answers
Summary
The AI Visibility Index measures how often small and mid-sized businesses are named in AI assistant answers and the machine-readability signals that affect discoverability. The study finds 94.8% of audited sites are never named in AI answers, with only a minority publishing signals like robots.txt, sitemap, and structured data; it also details methodology and update history. The article provides practical insights for SMBs to improve AI visibility.