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Independent comparison - commercial relationships disclosed Updated April 2026
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AI Search Statistics and Data

Every AI search stat we publish. Data from our own audit of hundreds of UK SME websites plus curated third-party research. Prefer a single overview? Read the 2026 statistics pillar.

Our audit data

  • 53% of UK SME Websites Don't Tell AI What They Do
  • 23% of UK Business Websites Block AI Crawlers
  • 73% of UK Websites Block AI Crawlers - Impact Analysis
  • 44% of UK Businesses Have No Organisation Schema
  • 87% of UK SME Homepages Have 2+ AI Confusion Signals
  • 52% Have FAQ Content But No FAQ Schema
  • Only 4% of UK Businesses Use Person Schema
  • Schema Markup Adoption in UK SMEs

Industry data

  • AI Search Market Share 2026 - Monthly Tracker
  • YouTube Has a 0.737 Correlation With AI Mentions
  • Brand Mentions Correlate 3x More Than Backlinks
  • AI-Sourced Visitors Convert at 27% vs 2.1%
  • 76% of Cited Pages Were Updated Within 30 Days
  • Only 7.2% of Domains Get Cited in Both LLMs and AI Overviews
  • Speakable Schema Used by Fewer Than 10% of Websites
  • 93.67% of AI Overview Citations Come From Top 10 Organic
  • 71% of Tracked Affiliate Sites Hit by March 2026 Update
  • AI Overviews Now Appear on 48% of All Search Queries
  • ChatGPT Accounts for 87.4% of All AI Referral Traffic
  • Perplexity Has the Best Crawl-to-Referral Ratio

Related

AI Search Statistics 2026 (pillar) Research Glossary Methodology

AI Search Agencies Worldwide

We compare agencies across 12 countries. Click a location to see local ratings.

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SEOCompare

SEOCompare is the UK's independent comparison of AI search optimisation agencies and tools, helping businesses find the right partner for ChatGPT, Gemini, Perplexity, and AI Overviews visibility.

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Written by Oliver Mackman. Last updated April 2026. How we compare.

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