Following UK CMA's proposals, Google says it is exploring controls to let websites opt out of AI Overviews and AI Mode
Google just announced it is looking into ways to allow websites to specifically opt out of Google using its content in the Search generative AI features such as AI Overviews and AI Mode.
Context & Ripple Effects
The CMA’s proposal centers on separating participation in Google Search from permission to use publisher material in AI products, rather than forcing sites to choose between visibility and AI reuse. It builds on Google’s earlier robots.txt control for AI training while extending the issue to generative search answers.
This exploration became the first step in a more concrete UK pathway: the CMA later said publishers could opt out of AI Overviews, and Google subsequently tested a Search Console AI-results toggle with some UK domain owners.
First-order effects
- Google must assess and design a distinct control for sites that want conventional Search visibility but not inclusion in AI Overviews or AI Mode.
- Publishers gain a potential route to make a granular distribution choice, instead of relying solely on broad crawler restrictions that can affect other Google uses.
Second-order effects
- A workable opt-out would turn AI-search inclusion into a measurable publisher decision, increasing pressure on Google to explain the traffic and commercial trade-offs of appearing in generative results.
- Other search and AI providers may face similar demands for controls that separate indexing, model training, and answer generation as publishers seek consistent rights management.
Third-order effects
- If adopted broadly, granular permissions could become core search infrastructure: content access would be governed by product-specific controls rather than a single crawl-or-block setting.
- The policy direction shifts bargaining toward publishers, but the eventual balance will depend on whether AI-result participation delivers enough referral value to offset the loss of control.
The trend: AI search is moving from default reuse of indexed web content toward product-specific publisher consent and commercialization controls.