Google AI Mode · Top UGC Sources cited by AI
UGC sites cited most by Google AI Mode
The UGC sites Google AI Mode cites most in its answers. 28-day rolling window.
UGC citation share — last 90 days
Share of AI answers that cite each UGC site. 28-day rolling window.
Top UGC sites cited by AI
Share is the percentage of AI answers in the 28-day window that cited at least one link on each UGC site.
| Rank | UGC domain | Citation share | Value |
|---|---|---|---|
|
1
|
|
|
17.71% |
|
2
|
|
|
3.85% |
|
3
|
|
|
3.01% |
|
4
|
|
|
2.5% |
|
5
|
|
|
1.81% |
|
6
|
|
|
1.24% |
|
7
|
|
|
0.87% |
|
8
|
|
|
0.77% |
|
9
|
|
|
0.55% |
|
10
|
|
|
0.33% |
What this report covers
User-generated content — Reddit threads, Quora answers, Wikipedia articles, Stack Overflow posts — is where AI search engines go when they want unfiltered, specific, human-voice answers. This report ranks the UGC sites they cite most, built from the LLM Pulse dataset.
For brands, this ranking is a map of the places where being present matters more than having your own website rank.
How we measure this
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LLM Pulse captures every citation in every AI answer across the five major AI search engines we track.
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This report filters to a curated list of UGC/forum/wiki/Q&A domains and ranks each by share of AI answers that cited at least one link on it.
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28-day rolling window, rebuilt daily.
Why this matters
Most SEO strategies do not account for UGC sites at all. Yet AI search cites them in tens of percent of consumer-intent answers.
If you have a brand, a product, or a service that gets discussed on Reddit or Quora, that conversation is now training and retrieval material. LLM Pulse is the only tool that tracks your mentions across UGC in real time.
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This page is the public tip of the LLM Pulse iceberg. Internally we track millions of AI answers every week across every major AI search engine, rolled up to the citation, the brand mention and the sentiment level. Point it at your own domain in under a minute.
- Millions of AI answers analyzed every week
- Five AI search engines tracked — ChatGPT, Perplexity, Gemini, AI Mode, AI Overviews
- The deepest public dataset of AI citations anywhere