Seed the Reddit thread

Community posts are among the most-cited sources in AI answers.

What to do: Build a real, non-spammy presence in the subreddits and forums where your buyers already ask questions. Answer well, get upvoted, get quoted. Do not astroturf. Models and moderators both punish it.

Why it works: Community posts are among the most-cited sources in AI answers, especially inside Google's AI Overviews and Perplexity.

Example: Ahrefs found Reddit is the number one most-cited domain in ChatGPT, ahead of Wikipedia, and Profound found it is the top source in both Google AI Overviews and Perplexity. One caution: do not build your whole plan on it. When OpenAI cut ChatGPT's reliance on Reddit in September 2025, its Reddit citations dropped from roughly 60% to 10% almost overnight, per Semrush.

Walk it through

I did not want to take the card's word for it, so I ran a real buyer query and watched what Perplexity actually cited. In July 2026, here is exactly what came back.

1. Ask the question a real buyer asks, not a keyword.

open "https://www.perplexity.ai/search?q=best+mechanical+keyboard+under+100+dollars"

No mention of Reddit anywhere in the query. I am just a person trying to buy a keyboard.

Perplexity's answer to "best mechanical keyboard under 100 dollars," with a reddit citation pill next to the Keychron V1 Max recommendation and again in the quick-advice section

Look at the "Good alternatives" section. "Keychron V1 Max, recommended by a recent user roundup as a best overall option at about $94," tagged with a small reddit pill. It shows up again under "Quick advice," next to youtube. Ten sources feed this answer, and Perplexity chose to surface a Reddit thread by name, unprompted, next to a specific product and a specific price.

2. Pull the actual URL behind the pill.

The citation pill does not show a URL, only a domain name, so I opened the browser console on the same page and filtered every link on it for reddit.com.

[...document.querySelectorAll('a')].map(a=>a.href).filter(h=>h.includes('reddit.com'))

Terminal-style capture of the browser console command and its real output: the reddit.com thread URL Perplexity actually cited, plus a curl to that same URL returning HTTP 403

One real thread came back: r/buybestguide/comments/1qqk5vg/best_mechanical_keyboards_under_100_in_2026_i. That is not a hypothetical. That is the exact URL sitting behind Perplexity's answer.

3. Try to go read the thread yourself.

Screenshot: the Reddit thread itself, opened directly, showing its title, upvotes, and top comment.

I could not get one. Every attempt, curl, plain headless Chrome, old.reddit.com, all came back either a Cloudflare-style "blocked by network security" page or a flat HTTP 403, shown in the second terminal line above. Reddit's bot defenses stopped my machine cold on the same URL that Perplexity's crawler walked through without trouble. That gap, one bot welcome and one bot not, is the whole chapter in miniature.

The read

The pill is the proof, not the click. You do not need Reddit's cooperation to confirm the citation. The moment "reddit" appears as a tagged source next to a real product and price, the thread already did its job.
A thread earns a pill by answering the literal question. The cited thread's own title, visible in its URL slug, is close to word-for-word the query I typed. Answers that mirror the buyer's phrasing are what get lifted out.
The gap between "crawlable" and "curlable" is the tell. Reddit lets AI answer engines in and slams the door on generic bots. If you are trying to verify your own citations, expect the platform to cooperate with the model and not with you.

Steal it

Find the subreddit where your buyers already argue about your category, not your brand's subreddit, theirs. Search it for the exact phrasing of your product's core question, "best X under $Y," "X vs Y for Z," and answer the ones with no good answer yet. One genuinely useful comment in the right thread outlives a hundred posts in an empty one, because models pull the thread that resolves the question, not the thread that mentions the brand most.

Defense runs the same play in reverse. If you sell in a category buyers argue about on Reddit, search your own product name there today. A thread with bad information about you, once it earns upvotes, can sit inside AI answers for months, and you will not get a vote on when it leaves.

Gotchas

You are competing with a moving target. Semrush's own number, Reddit's share of ChatGPT citations falling from roughly 60% to 10%, happened in weeks, not years. Whatever weight Reddit carries in these answers today, do not assume it holds through next quarter.
Verification will frustrate you before it frustrates a bot. Expect the block screen. Do not read it as the thread being fake or the citation being wrong, it just means Reddit trusts crawlers more than it trusts you.
A good answer written for karma is still a good answer, but it is not a content strategy. If every comment you post links back to your product, moderators will catch it before any model does, and you lose the account before you gain the citation.