Local AI Search Cannibalization Calculator
Click Loss Benchmarks by Local Vertical
Google AI Overviews (AEO) sit directly above traditional local website rankings. When an AI answer appears, users get instant answers without clicking on website links. This table breaks down how often AI Overviews appear across local search queries and the average drop in organic website clicks for businesses in each industry:
| Industry Vertical | How Often AI Overviews Appear | Average Drop in Website Clicks | Percentage of Zero-Click Searches |
|---|---|---|---|
| Home Services and Trades | 43% of local searches | 61% fewer clicks | 68% |
| Legal and Law Firms | 39% of local searches | 63% fewer clicks | 71% |
| Luxury Home Building | 31% of local searches | 55% fewer clicks | 59% |
| Commercial Real Estate | 27% of local searches | 50% fewer clicks | 52% |
| Medical and MedSpas | 52% of local searches | 68% fewer clicks | 75% |
| B2B Professional Services | 46% of local searches | 56% fewer clicks | 61% |
| Hotels and Event Venues | 36% of local searches | 49% fewer clicks | 55% |
Embeddable Local AI Cannibalization Calculator
Copy and paste this interactive calculator into your website or audit portal to estimate local traffic and revenue lost to AI search results:
Local AI Search Cannibalization Calculator
Enter your 90-day Google Search Console data to calculate estimated website traffic, leads, and revenue diverted into Google AI Overviews.
Real Local Market Scenarios Explained Simply
Scenario 1: Commercial HVAC Contractor in Stamford, CT
A commercial HVAC company serving Stamford gets about 4,000 local Google searches a month (12,000 search impressions per quarter). Normally, these searches generate around 720 website visits.
What Google AI Does: Google displays an AI Overview on roughly 43% of these commercial HVAC searches. On those specific searches, the contractor loses 61% of the clicks they used to receive because users read the AI summary instead of clicking through.
The Real-World Result: Over 90 days, the contractor loses 187 website visits. That drop in traffic leads to 7 missed phone calls or quote requests. At their standard 25% sales close rate and an $8,500 average contract price, that equals $15,925 in lost business every 3 months.
Scenario 2: Personal Injury Law Firm in Norwalk, CT
A personal injury law firm in Norwalk gets around 2,800 local searches per month (8,500 search impressions per quarter), generating roughly 425 website visits.
What Google AI Does: Google triggers an AI Overview on 39% of legal searches. When the AI block appears at the top, website clicks drop by 63%.
The Real-World Result: Over 90 days, the law firm loses 103 website visits. This results in 3 fewer consultation calls. At their typical case acceptance rate and an average $12,500 legal fee per settled case, the firm loses $5,808 in legal revenue every 3 months.
Scenario 3: Luxury Custom Home Builder in Greenwich, CT
A high-end custom home builder serving Greenwich gets around 1,400 local searches a month (4,200 search impressions per quarter), yielding 210 visits to their website.
What Google AI Does: Google shows AI Overviews on 31% of luxury building queries. On those searches, organic website visits drop by 55%.
The Real-World Result: Over 90 days, the builder loses 36 website visits. Because custom home builds are high-ticket projects with long sales cycles, losing 36 visits means missing out on 1 initial consultation request every few months. At an average $350,000 builder profit margin per home, that equals $25,200 in lost builder margin per quarter (or roughly $100,800 per year).
How to Get Your Data from Google Search Console
Follow these steps to find the numbers you need to run the calculator:
- Open Google Search Console: Click on Performance and then select Search Results.
- Set the Time Frame: Choose Last 3 Months (90 days).
- Filter for Local Searches: Click + New Query Custom (regex) and type in your town or county name (for example: .*(near me|stamford|norwalk|greenwich|ct).*).
- Copy Your Numbers: Note down your total Impressions and Clicks shown at the top of the screen and paste them into the calculator fields above.
How to Cite or Embed This Tool
If you feature this calculator or its data in an article, blog post, or audit guide, please credit us using the following attribution details:
Source: 203MG Digital Marketing (2026). Local AI Search Cannibalization Calculator and CTR Model. Available at:
<blockquote cite="https://203mg.com/tools/ai-search-cannibalization-calculator/"> <p>According to the <strong><a href="https://203mg.com/tools/ai-search-cannibalization-calculator/" target="_blank" rel="noopener noreferrer">Local AI Search Cannibalization Model</a></strong> by 203MG, local service businesses lose over 60% of organic website clicks when Google AI Overviews appear in search results.</p> </blockquote>