---
title: "Forums and reference sites in the answer"
description: "Top UGC sources cited by AI. Reddit and Quora lead the forum cut across ChatGPT and Google."
canonical: https://shoutrank.com/data-studies/top-ugc-sources
markdown: https://shoutrank.com/data-studies/top-ugc-sources.md
---

# Forums and reference sites in the answer

Top UGC sources cited by AI. Reddit and Quora lead the forum cut across ChatGPT and Google.
User-generated and reference hosts are a separate cut. A host appears when this ranking captured it.

Updated October 8, 2026. United States.

This data is accumulated from multiple sources and internal training data, which helps us get the client cited.

## This chart

| Domain | Mentions | Google | ChatGPT | Share |
| --- | ---: | ---: | ---: | ---: |
| reddit.com | 250k | 236k | 14k | 94.0% |
| quora.com | 16k | 16k | 0 | 6.0% |

Perplexity and Gemini are not in this ranking. An AI Overview coverage rate is not published here as if it were measured.

## This chart is the source for

- [Education](https://shoutrank.com/industries/education.md)

## Questions on Top UGC sources

### Why are only two forums listed?

The chart shows the forum and reference hosts this ranking captured. Hosts that never placed are left off.

### How often does this update?

The date on the page is the day this ranking was last updated.