Which websites do AI engines cite most?
When an AI answers someone in your market, it leans on sources. The Mentionable Index tracks which ones, engine by engine, from real scans.
12,378
Domains tracked
331,975
Responses analyzed
8
Engines queried
By market
Every market has its own reference sources. AI engines do not cite the same sites across them.
Beauty & cosmetics124Marketing & SEO agencies273Education & training230AI tools & assistants244Real estate130Developer tools & software219E-commerce & online retail155Business consulting230Finance & banking138B2B SaaS206Media & publishing208Manufacturing & industry121Insurance61Fashion, jewelry & luxury87Travel & tourism88Nonprofits & NGOs39Events & weddings93IT services & cybersecurity132Construction & trades101Health & medical84Logistics & transport71Food & beverage88Sports & fitness121Entertainment & music29Hospitality & restaurants43HR & recruitment95Supplements & nutrition44Automotive33
Most cited domains
An engine lists more sources than it cites in its text. The last column is the share that makes it into the answer itself.
Methodology
AIO
331,975 AI responses analyzed, on 8 engines, from February 2026 to September 2026. Citations come from the prompts tracked on Mentionable.
Latest data point: . Updated weekly.
Full methodology