AI Overview CTR Impact Estimator

AI Overview CTR Impact Estimator

This estimator calculates the likely click-through rate reduction your organic listings are experiencing as Google AI Overviews expand into your keyword set. It is aimed at SEO managers and digital marketing directors who need to translate a visibility problem into projected traffic and revenue impact. The tool models multiple scenarios — conservative, moderate, and aggressive AI Overview adoption — so you can present a range to stakeholders rather than a single uncertain number.

live — runs in your browserOnlinePost-campaign

Inputs

Results

Coefficients are versioned: Ahrefs measured −34.5% (300K keywords, Apr 2025) then −58% (Feb 2026); Seer found brands cited inside the AI Overview retain most of their CTR. Seer's 2026 update shows partial recovery — treat estimates as a range, not a point.

How this is calculated

You input your current impressions, average CTR, and keyword category, and the tool applies category-specific CTR deflation curves derived from observed post-AI Overview traffic patterns to produce adjusted traffic estimates.

Clicks after AI Overviews
Source: Ahrefs 2025/2026 CTR studies
Clicks lost
Revenue at risk

Every model runs locally in your browser. Nothing you type is sent anywhere.

Frequently asked questions

How much does Google AI Overviews reduce organic CTR?

Observed CTR reductions vary widely by query type. Informational queries see the largest drops, sometimes 20-60%, because the AI answer satisfies the need without a click. Navigational and transactional queries show smaller reductions, typically 5-20%, because users still need to reach a specific destination or complete a purchase.

How should I use the AI Overview CTR impact estimate in my reporting?

Use the range of scenarios as a planning input rather than a precise forecast. The conservative scenario helps you set a realistic floor for traffic expectations, while the aggressive scenario shows the worst case for budget and headcount planning. Present all three to avoid over-promising organic traffic delivery.

What can I do to offset AI Overview CTR losses?

The most effective responses are building AI visibility so your brand is cited inside the AI answer, expanding into query types where AI Overviews appear less frequently, and shifting budget toward owned channels like email that are not affected by search layout changes.

References

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