Google Must Rework Search in Europe Under Digital Markets Act

Full analysis

Google got told to rework its search product in Europe under the Digital Markets Act, the EU's rulebook forcing the biggest platforms to give rivals fair access. That means Google has to surface competitors' results, like price-comparison and travel sites, more prominently in one of its largest markets. The question for an ad-tech operator is whether this moves money, or whether it's the next line in a twelve-year enforcement saga that changed nothing.

What's being decided: Not whether Google complies. Google will file a proposal. What's being decided is how much organic search traffic gets redistributed away from Google's own surfaces, and whether that redistribution is big enough to shift the paid-search math that publishers and advertisers have built their European businesses on.

How hard is this to undo? For Google, easy. Compliance proposals get negotiated, litigated, and watered down. For publishers who re-architect around a new traffic reality that doesn't fully arrive, hard, and expensive. The deadline that matters isn't a court date. It's whenever Google actually ships a redesign, which no source here pins down.

The Skeptic. Google has paid roughly €8 billion in EU fines over twelve years and still runs above 90% search share in Europe. "Must rework search" is a headline, not a shipped product. The remedy design still needs European Commission sign-off, and implementation fights will eat 12 to 18 months before a single European user sees a changed results page. The advertisers and publishers supposedly getting disrupted are also Google's most captive customers. They have nowhere structurally better to go. In plain terms: the EU told Google to change, Google will propose the smallest change it can defend, and the clock runs for years.

The Market Analyst. Watch what the EU template does downstream. The European CPC wobble is a distraction. This is the same structural question in front of Judge Amit Mehta in the US DOJ case: can you force the search surface apart from the ad engine that monetizes it? Comparison-shopping engines, the Kelkoo-era survivors, get a second life if Google must give them prominent placement. But the moat doesn't fall. It gets turned into a toll road. Google keeps the auction, keeps the intent data, and rents out mandated slots. For investors, that's not a revenue cliff. It's a margin nibble that the market has watched Google absorb four times already.

The Operator. If you run SEM or a publisher yield desk in Europe, the mistake is waiting for Google to ship before you re-baseline. Bid strategies trained on historical click-through rates will mis-fire the moment rival vertical results claim real estate on comparison and travel queries. Organic click-through on branded and comparison searches moves first, which reshuffles quality scores and drags CPCs on the paid queries sitting next to them. Publishers leaning on Google Discover and Search referrals get hit in parallel as that surface gets redistributed under fairness rules. Audit your European campaign structures now, while you have lead time nobody's charging you for.

The Customer / End User. The advertiser buying European search doesn't want fairness. They want predictable cost per acquisition. A redesign that inserts comparison engines between the query and the click adds a step, and every added step leaks intent. Comparison-shopping engines, for their part, have been asking for exactly this for a decade and will take the mandated placement gratefully. Publishers are split: the ones who built travel or retail comparison verticals win shelf space, the ones who depend on Google sending them raw referral traffic lose it. Nobody in this chain asked for a rebuild. They asked for traffic that converts.

Where they split. The Skeptic says the timeline makes this a non-event for two years, so don't touch your European setup. The Operator says the second-order effects on quality scores and CPCs start leaking before the formal remedy ships, so re-baseline now. Both can be right: the formal redesign is years out, but Google's own pre-emptive tweaks to stay ahead of the Commission move faster than the litigation calendar.

The second split: the Market Analyst treats this as a template that sets up the US DOJ remedy, a slow structural story worth years of attention. The Customer doesn't care about templates. They care whether their cost per acquisition in Germany goes up next quarter. One lens is playing a three-year board game. The other is reconciling a monthly spend report.

What it hinges on. Two things. First, whether Google's compliance proposal forces prominent rival placement on high-commercial-intent queries, or just on the low-value informational ones it can afford to give away. Second, how fast Google pre-empts the Commission with its own changes, because the litigation calendar is a lagging indicator of when operators actually feel it. The council leans Skeptic on timing and Operator on preparation. Translation: nothing reprices Google's European ad business this year, but the teams that re-baseline early stop paying for stale bid assumptions.

The Prediction.

Prediction: Alphabet's European search advertising revenue, reported in its full-year 2026 results in early February 2027, will be higher than its 2025 European search revenue, despite the DMA restructuring order.

Confidence: High. Google has absorbed four prior EU remedies with search share still above 90%.

Why: The DMA order has no shipped remedy, no EC-approved compliance design, and 12 to 18 months of implementation fights ahead, so no meaningful European results-page change reaches users inside the 2026 reporting year. Even when Google does comply, the pattern from its comparison-shopping remedy is to auction the mandated rival slots rather than surrender them, so Google keeps the query, the intent data, and the ad auction while renting out placement. A revenue decline would require both a shipped redesign and advertisers finding somewhere else to spend European search budget, and above 90% share there is nowhere structurally to go. The toll-road version of the moat still collects the toll.

Revisit by 2027-02-28: We're right if Alphabet's reported 2026 European (EMEA) search or advertising revenue comes in above the 2025 figure. We're wrong if it comes in below 2025.

The interesting move isn't the revenue line holding. It's that the EU keeps writing the rules the US DOJ case will copy, and Google keeps proving the rules convert its moat into rent instead of removing it. That's the version operators should plan around: not a Google that loses the surface, but a Google that charges everyone, including the rivals it was ordered to help, for standing on it.