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Core AEO Metrics

AEO metrics fall into three categories:
  1. AI response metrics — what AI says about your brand
  2. Website metrics — the traffic and leads AI answers send you
  3. AI bot traffic — which AI crawlers are reading your site
AEO, GEO, AI SEO, and LLMO all refer to the same thing. This course uses AEO.

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Category 1: AI Response Metrics

These matter most. They measure what AI says when someone asks a question about your category.

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Brand Visibility

The percentage of AI answers that mention your brand.
This is the headline metric. If you track one number, track this one. Where to find it: Gauge runs every prompt through every engine you track, every day. Manual spot-checks aren’t a substitute — answers vary between sessions, and your own logged-in account returns personalized results.

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URL Citation Rate

The percentage of AI answers that cite a specific URL from your domain as a source.
Citations drive visibility. Models cite content first, then mention brands. Citation rate shows which of your pages are doing that work. Where to find it: The URL view on the Citations page, along with the prompts each URL appeared in.

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Domain Citation Rate

How often any page from your domain is cited. Use it to compare your domain against competitors. Where to find it: The domain view on the Citations page. It also shows how many distinct URLs from each domain are cited.
A high domain citation rate spread across hundreds of URLs (common for YouTube and Reddit) means something different than a high rate from a few pages. Per URL, a focused article often carries more weight than a social platform.

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Mention Rate

The percentage of time a brand is mentioned in the answer, conditional on a given page being cited.
Mention rate is measured per page and per brand, so it applies to any page AI cites, not just yours. On your own pages, a high citation rate with a low mention rate means AI is using your content without naming you — fix it in the content by making the case for your brand explicitly. On third-party pages, mention rate shows which brands a cited page carries into the answer. Where to find it: Next to citation rate for each URL on the Citations page.

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Category 2: Website Metrics

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AI Referral Traffic

Visitors who clicked a link inside an AI answer and landed on your site. Where to find it: Library shows AI traffic per page once GA4 is connected. In GA4 directly, look for referrals from chatgpt.com, perplexity.ai, and gemini.google.com.
Referral traffic undercounts your AEO impact. Most AI answers are read without a click.
Leads where an AI answer was the first touchpoint. This is the metric that connects AEO to revenue. How to measure: Add a “How did you first hear about us?” field to your forms, with ChatGPT, Google AI, and Perplexity as options. Ask the same question on sales calls. Discovery and conversion are usually days or weeks apart. Someone reads about you in ChatGPT, then arrives later through direct or branded search, so analytics credits the wrong channel. Asking is the only reliable way to catch it.

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Category 3: AI Bot Traffic

How often AI crawlers fetch pages on your site. A crawler has to read a page before a model can cite it, so crawl activity is the earliest signal you have. How it’s tracked: Every AI crawler identifies itself in the user agent of its request, so your server logs record each visit. The main ones are GPTBot and OAI-SearchBot (OpenAI), ClaudeBot (Anthropic), PerplexityBot, Google-Extended, and CCBot. How Gauge tracks it: The AI Traffic page reads your logs from Cloudflare or Vercel and classifies the requests for you, split into AI bots and coding agents like Claude Code and Cursor, sliced by host and by path. See Configuring AI Traffic to connect your logs. Also check that robots.txt isn’t blocking crawlers you want.

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How the Metrics Connect

To be mentioned, you need to be cited. To be cited, you need content AI finds clear, specific, and authoritative.
Citations drive mentions. If you want AI to talk about you, you have to give AI something to cite.
Use the metrics together to find the problem:

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Common Questions

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Which metric should I start with?

Brand visibility. It gives you a baseline, and citation rate tells you how to move it.

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How is this different from SEO metrics?

SEO measures rankings, click-through rate, and sessions. AEO measures whether your brand is mentioned and whether your content is cited inside the answer.

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Can I track all of this in Google Analytics?

Only referral traffic. Analytics can’t see inside an AI answer, so it can’t tell you whether you were mentioned, cited, or compared against a competitor. That requires running prompts against the models, which Gauge does daily.

Next Lesson →

How to Improve AI Visibility