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AEO SensorBETA

Monitor visibility across leading answer engines.

Stay on top of changes in AI search. AEO Sensor tracks shifts in answer engine responses, including volatility in AI answers, traffic, and visibility trends by industry.

AI-Referred Traffic Trends

See how much traffic answer engines are sending to websites.


AI-referred traffic is based on anonymized HubSpot customer data and modeled to show aggregated page visit trends from ChatGPT, Gemini, and Perplexity each week. Actual results may differ by region and language. Weekly data runs Monday-Sunday; it can take a few hours for all traffic data to populate.

A traffic dip isn't always your fault. This chart helps you find out.

The numbers here show what's happening across the industry, not for your brand specifically. The way to get the most out of this chart is to compare it to your own traffic data — once you know what the industry is doing, you can figure out what it means for you:

  • Industry traffic is up, but you're flat or declining: You may be losing traffic share compared to your competitors. That's a signal to audit your AEO coverage, specifically looking at which engines are sending traffic, and whether your content is showing up in their answers. A good next step is to check the Citation Share Trends chart to see which content types are earning the most citations right now. Compare that against what you're actually publishing.
  • Industry traffic is down, and so are you: Likely a market-wide shift rather than a strategy problem. Check the Answer Engine Volatility Tracker to see if conditions changed that week. If they did, that context is probably your answer.
  • Industry traffic is down, but you're holding steady or growing: Your strategy is outperforming the market average. Take note of what you've been doing differently, because it's working.

Review each answer engine to see whether one is driving the traffic trend more than the others. Sometimes the picture looks very different depending on which platform you're looking at.

AI traffic is up for grabs.

AI Search Sensor won’t show your brand’s traffic, but HubSpot AEO can.

AI Visibility Benchmarks by Industry

See how often brands in your industry are appearing in AI search results, and whether that’s changing over time. Get insights into a company’s
visibility score

visibility score

A score from 0-100% estimating how often a brand is mentioned in AI answers relative to other tracked competitor brands.
and
citation share

citation share

The estimate of how frequently a specific brand’s domain appears in AI-cited sources out of all citations analyzed. Expressed as a percentage from 0-100%
across multiple weeks.

Citation Share Trends

See how different content types and source channels appear in AI search results over time.


Weekly citation data is based on anonymized results from HubSpot customers and modeled to show citation share by content type or source type. Data is based on responses from ChatGPT, Gemini, and Perplexity Monday-Sunday; each week appears once complete.

Watch for what's shifting, not just what's dominant.

 

Content Type:

This view shows which formats of content — blogs, comparison pages, documentation, guides, and others — are being cited most in AI-generated answers each week.

 

The content types holding the largest share tell you what AI engines are currently treating as authoritative. But another actionable signal is movement. A content type steadily growing its share week over week is one the engines have started favoring more recently — and a format potentially worth investing in if you're not already publishing it regularly. Equally, a content type that's shrinking is one losing favor, which may mean deprioritizing it isn't as risky as it once seemed.

 

When you see a significant shift, cross-reference it with the Volatility Tracker. A sudden change in the mix during an Elevated or Extreme week usually means the engine updated how it weights certain content. That shift is likely affecting everyone, not just you.

 

Channel:

This view shows which types of sources AI engines are pulling citations from — owned content (your website), earned media, review sites, affiliates, UGC, and others.

 

The most important thing this chart communicates is that AEO isn't just about what's on your website. AI engines pull from the entire web when deciding what to cite. In many cases, third-party sources like review sites, affiliates, and others carry significant weight in what gets surfaced.

 

If you look at this chart and see review sites or affiliates holding a large or growing share vs. owned, that's a signal that AI engines in your space are trusting what others say about brands more than what brands say about themselves. If your current strategy is focused entirely on your own content, this chart is telling you there's a meaningful piece of the picture you're not influencing.

 

On the flip side, if owned content is consistently strong in your industry, that's validation that investing in your own site — your blog, your product pages, your documentation — is the right place to focus.

 

Use this view to pressure-test where your effort is going. If the channels gaining share are ones you're not active in, that's the gap worth closing first.

  • Affiliate: Affiliate sites, where you can pay to have your content published

  • Competitor: Competitor domains, from the competitors set up during onboarding

  • Earned: Earned media, including news or PR

  • Owned: Your own domain

  • Peer: Peer sites are product/service companies that are not your direct competitors

  • Review sites: Third-party platforms where users rate and review products, such as G2, Capterra, and Trustpilot.

  • UGC: User Generated Content sites such as Youtube / Reddit

See who’s winning citations — and take more share.

Spot where you're gaining ground, losing it, and where to win it back.

Answer Engine Volatility Tracker

Track how AI answer engines are changing brand visibility. Get a daily snapshot based on mention, citation, and AI-referred traffic data to understand whether visibility shifts are market-wide — or a sign that your own AEO strategy needs attention.

*Daily volatility based on mention rate, citation rate, citation type, and AI-referred traffic compared to rolling averages from ChatGPT, Gemini, and Perplexity. This data represents directional trends of how brand visibility changes within AI responses. Daily volatility scores may fluctuate slightly for three days from the current day.

Your weather report for AI engines.

When something looks off in your own AEO metrics, check here for what the market is experiencing. A spike in volatility means the engines have changed. How many links they show, how often they name brands, what sites or content they reference most, and how much traffic they send can all be shifting.

Use the score alongside your own data to diagnose what's actually happening:

  • Score is Elevated or Extreme, and your metrics dropped: Likely a market-wide shift. Focus on understanding what changed before making any adjustments to your strategy — reacting too quickly to engine-level changes often creates more disruption than the change itself.
  • Score is Calm, but your metrics dropped: This is worth investigating. The market is stable, which means the shift is more likely specific to your brand or content. That's the moment to look at your citation share and visibility data more closely.
  • Score is Elevated or Extreme, but your metrics are holding: Your content is weathering the shift better than average. Take note of what you've been doing, because it's working.

Don't just watch the trends, track your own.

See how AI volatility is affecting you. AI Search Sensor won’t show your brand’s visibility, but HubSpot AEO can.

Resources

Latest AEO Resources

Discover how AI is changing buyer discovery and how buyers discover businesses. Explore guides, videos, and research designed to help marketers improve visibility in answer engine responses.
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Frequently asked questions

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