Google Offers AI Opt-Out to Calm UK Regulators

Google announced on March 18, 2026, that it is developing new search controls allowing websites to opt out of its generative AI features, a direct response to pressure from Britain's Competition and Markets Authority (CMA). The move marks one of the first concrete concessions by the company since the CMA designated it as having “strategic market status” in search services back in October 2025.

Why the CMA Came Knocking at Google's Door

Google commands more than 90% of UK search queries. It feeds content harvested by its search crawler into AI Overviews, AI Mode, and standalone products like its Gemini AI assistant. Publishers, particularly news organizations, have watched click-through rates plummet as users get AI-generated summaries instead of visiting their sites.

The CMA found that publishers “currently do not have sufficient choice” over how their content powers Google's AI responses. In January 2026, the regulator proposed a package of conduct requirements including publisher opt-outs, fair ranking rules, default search engine choice screens on Android and Chrome, and data portability measures.

Sarah Cardell, Chief Executive of the CMA, said the proposals would “give UK businesses and consumers more choice and control” over their interaction with Google's search services while “unlocking greater opportunities for innovation across the UK tech sector”.

What Google is Actually Offering

Google's March 18 response includes two key proposals. First, new controls that let websites opt out of generative AI features like AI Overviews and AI Mode without losing their position in traditional search results. Second, a “less intrusive” device settings switch to let users change their default search engine, replacing the pop-up choice screens the CMA had suggested.

The company also pushed back. In its response published on the CMA's website, Google said some proposed conduct requirements would have “disproportionate and detrimental consequences” for users, publishers, and businesses, and could harm its “ability to innovate and invest in the UK”.

Google said it would “continue to work constructively with the CMA to find practical solutions that benefit users, publishers, and businesses across the UK”.

Google to allow AI opt-out to ease UK competition concerns

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— PiQ (@PiQSuite) March 18, 2026

The Publisher Squeeze That Forced This Fight

The tension behind this story has been building for over a year. A Wall Street Journal report cited by TechCrunch found that The New York Times saw organic search traffic to its desktop and mobile sites fall to 36.5% in April 2025, down from 44% three years earlier. Google Discover later added AI summaries to its news feed, further threatening publisher traffic.

Publishers had virtually no tools to resist. The existing Google Extended robots.txt control only blocked scraping by Gemini and Vertex, not AI Overviews in search. The CMA called this a “lack of clarity over the scope” that prevented publishers from making informed decisions.

Under the CMA's proposed rules, Google must not downrank publishers who opt out of AI features. It must not display their content differently in general search. And it must not attempt to acquire opted-out content through third-party scrapers.

Europe Piles On From the Other Direction

Google's UK headache is not isolated. European publishers, technology firms, and startups are pushing the European Commission to wrap up a nearly two-year antitrust probe into Google's search practices under the EU Digital Markets Act. The groups want a formal decision and a fine related to alleged self-preferencing in search results.

This regulatory pincer movement from the UK and EU puts Google's entire AI search strategy under pressure on two fronts simultaneously.

What Happens Next

The CMA's public consultation on the proposed conduct requirements closed on February 25, 2026. A final decision is expected after the regulator reviews all stakeholder feedback. Google's response signals willingness to negotiate but clear resistance to the full scope of the CMA's ambitions.

The outcome will set a template. If the UK successfully forces opt-out controls on Google's AI features without degrading search quality, other regulators will take notice. If Google's warnings about “disproportionate consequences” prove accurate, the CMA's approach could become a cautionary tale about regulating AI products in ways that hurt the people they aim to help.

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