Mentionable Index
Which sites does AI cite in AI tools & assistants?
The index lists 216 domains cited in AI tools & assistants. youtube.com leads with 4,347 citations, or 10% of those domains' citations.
- Domains cited
- 216
- Citations measured
- 42,353
- youtube.com share
- 10%
- Top 10 share
- 16%
AI tools & assistants ranking
Ranked by number of citations recorded over the period.
And on your own prompts?
This ranking covers the whole AI tools & assistants sector. Mentionable tracks your brand on your own prompts, every day.
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- The exact URLs cited on your prompts
- The brands recommended in your place
- All 6 engines tracked every day
- The prompts where you never show up
- The sources to work on to get in
- The questions AI engines actually ask
Methodology
23,321 AI responses analyzed across AI tools & assistants, on 6 engines, from February 2026 to October 2026. Citations come from the prompts tracked on Mentionable.
Latest data point: . Updated weekly.
Full methodology