Perplexity citations
Also called: Perplexity sources, cited in Perplexity, Perplexity AI citations
Definition
Perplexity citations are the numbered source links Perplexity attaches to every AI-generated answer, pointing to the web pages it searched and used, so readers can check the claims or read further.
Perplexity is an AI answer engine built around citations. Its help center describes the process in four steps: understand the question, search the web in real time, summarize the most relevant findings, and cite sources. Each answer includes numbered citations linking to the original pages.
That design makes Perplexity the easiest AI tool to audit. You can see exactly which pages shaped the answer about your category.
How it works
For each question, Perplexity runs live web searches, gathers candidate pages and writes a response with inline numbers. Click a number and you land on the source. Pro Search runs more thorough multi-source research, and Deep Research runs many searches to produce a longer report.
Not everything retrieved gets cited. Peec AI's February 2026 study of more than 1 million citations found that on Perplexity, 64% of retrieved URLs were never cited in the answer. Retrieval gets you into the candidate pool; a clear, specific answer gets you into the response. See LLM citation.
Why it matters for marketers
Perplexity users are often mid-research: comparing tools, checking reviews, looking for alternatives. A citation there sits right next to the decision, which makes Perplexity a core part of AI visibility and GEO work. And because sources are visible, every citation is also a click opportunity, unlike answers that name a brand without linking it.
How it plays out on Reddit
In Peec AI's March 2026 analysis of about 30 million US citations, Reddit was the most-cited domain on Perplexity, followed by YouTube, LinkedIn, Wikipedia and G2. For B2B teams, the G2 entry matters too: Peec found it in Perplexity's top five but not other engines'.
Practical upshot: run your buyers' questions in Perplexity, open every cited Reddit thread, and read what people say about you and your competitors. If a cited thread recommends three competitors and not you, that thread is shaping Perplexity's answer for your category. Adding a helpful, specific reply (disclosed where the subreddit asks) is one of the few direct levers you have. The Reddit SEO page explains how to prioritise.
Example (hypothetical)
A founder asks Perplexity "best open-source alternative to Calendly". Four of the seven citations are Reddit threads from r/selfhosted and r/opensource. Her tool is mentioned in one, by a user, with an outdated complaint about a bug fixed months ago. She replies in that thread with a short, disclosed correction and a link to the changelog. The next reader of that thread sees the update.
Common mistakes
- Blocking Perplexity's crawler by accident. If your robots.txt or firewall blocks AI crawlers broadly, Perplexity may not be able to read your pages.
- Only checking your own domain. Most citations for category questions go to third-party pages.
- Spamming cited threads. Mods remove promotional replies, and a removed comment helps nobody. Follow each subreddit's rules.
Frequently asked questions
How does Perplexity choose which sources to cite?
Perplexity searches the web in real time for each question and cites the pages its answer draws on. It does not publish a full ranking formula; in Peec AI's data, many retrieved pages are never cited, so clear and specific answers matter.
Does Perplexity cite Reddit?
Yes. Reddit was the most-cited domain on Perplexity in Peec AI's March 2026 US analysis.
How do I track Perplexity citations for my brand?
Run a fixed list of buyer questions weekly and record which pages are cited and which brands are named. Several AI visibility tools automate this.