What does chatgpt.com mean as a referrer in my analytics?

Two signs, and why you may see either

A visit from ChatGPT can carry two separate signs, and your analytics may show one, both or neither.

• The referrer chatgpt.com. When a browser follows a link from one site to another, it sends the site the click came from. You may also see chat.openai.com; treat both as ChatGPT.
• The tag utm_source=chatgpt.com. OpenAI’s publisher FAQ says ChatGPT adds this to the links it sends, so you can track that traffic in ordinary analytics tools. The tag is part of the address, so it survives when the referrer is missing.

That second sign matters because the referrer is easy to lose. A link can be marked rel="noreferrer", which tells the browser to send nothing; a link copied out of an answer and pasted into the address bar carries no referrer either. In those cases the tag is the only trace. If a visit has neither, it lands in direct.

What it hides

Even with both signs, you learn only that ChatGPT sent the person. By default, browsers send just the site name to another site (MDN documents this as the default referrer policy, strict-origin-when-cross-origin), so the conversation’s address never reaches you. You don’t see the question, the answer, or what ChatGPT said about you before the click.

What you can see is the page they landed on. That is the page ChatGPT quoted or linked, which is the nearest thing to the question you’ll get. Check that page’s facts (prices, limits, what the product does) are current, because the visitor arrives expecting whatever ChatGPT told them.

How to read these visits

Group chatgpt.com, chat.openai.com and utm_source=chatgpt.com into one line, then look at landing pages and at what those visitors did next. The general question of whether AI assistants send you visitors, and how to get more of them, has its own page.

If you post a link inside a custom GPT or a shared conversation yourself, give it a campaign of its own, so your own links stay separate from the ones ChatGPT picks:

https://example.com/?utm_source=chatgpt.com&utm_medium=referral&utm_campaign=our-gpt

With Nordva Launch

Launch counts chatgpt.com, chat.openai.com and openai.com under AI assistants, next to search, social, email, paid, referral and direct. A visit whose utm_source starts with chatgpt or openai counts there too, even without a referrer, unless its medium says paid or email. With a waitlist form or identify after signup, and Stripe connected (read-only, every plan), you can see which paying customers first came from chatgpt.com; grouping them by utm_source needs Builder.