Data as of Aug 25, 2026 · Based on 3,234,367 AI responses across 10,682 prompts · See how Parse measures this
HeinOnline is an online legal research platform operated by William S. Hein & Co., Inc. It provides access to its legal resources through institutional subscriptions, requiring users to sign in to use the content. The site offers account features and includes a privacy notice and terms, plus links to its social media channels.
Sources
en.wikipedia.org shapes more of what AI says about HeinOnline than any other source, at 88% of its citations.
guides.loc.gov
The market map
Genealogy Research Tools and Services →Where AI ranks HeinOnline