---
title: "Outserp AI Search Research"
canonical: https://outserp.ai/research
markdown: https://outserp.ai/api/machine-content?path=%2Fresearch
site: Outserp
---
# Outserp AI Search Research

Original studies from anonymized, aggregated AI-search data.

- [The most-cited source domains in AI answers](/research/most-cited-domains) — Which websites ChatGPT, Perplexity and other AI engines cite most when answering — measured across Outserp-tracked queries. (N=17690)