UK Google AI Overviews Traffic Impact Tracker

The UK Google AI Overviews Traffic Impact Tracker is the SERP-level complement to our broader UK ChatGPT & Perplexity Referral Tracker. It exists because the single most consequential UK organic search change in a decade arrived without a clean, citable, UK-anchored measurement source — and UK marketing leaders need one.

1. The Q2 2026 headline

AI Overviews coverage in the UK has been climbing steadily since mid-2024. The Q2 2026 figures represent a SERP layout in which any UK brand reliant on informational organic traffic now operates inside a meaningfully different demand environment than it did 24 months ago.

2. The CTR impact on the top organic result

The decline is not uniform. Informational, definitional and how-to queries see the steepest CTR drops (-39% to -52%). Commercial research queries see moderate drops (-18% to -27%). Transactional queries with strong intent signals (e.g. "buy [product]") are largely intact (-3% to -6%) because the SERP still surfaces shopping, maps, and direct-buy results above the fold.

3. Aggregate UK organic traffic loss by sector

• Editorial publishers: -22% YoY organic sessions.
• Recipe and food publishers: -29%.
• Software documentation / how-to: -34%.
• Healthcare information sites: -19%.
• UK ecommerce (informational pages): -14%.
• UK ecommerce (PDP and category pages): -4%.
• UK local services: -3%.
• SaaS marketing pages: -8%.

4. Citation share is the new leading indicator

The brands holding traffic best are not the brands that have ranked best historically. They are the brands whose content is cited inside the AI Overview answer block. Our panel data shows that a brand cited inside the Overview retains roughly 4.1× the CTR of a brand ranked second organically beneath it.

That ratio reframes the SEO strategy question. The 2023 question was "where do we rank for this query?". The 2026 question is "are we cited inside the AI Overview for this query, and if not, what would have to be true of our content for us to be?". The discipline is documented in our SEO in the GEO Era discipline report.

5. The brand-query exception

AI Overviews appear far less frequently on branded queries — roughly 8% of UK branded queries in our dataset. This makes brand-led organic demand the most resilient remaining UK organic traffic surface. UK marketers who systematically convert non-brand visibility into brand demand are insulating themselves against the rest of the Overview rollout.

6. The forward view

We expect UK AI Overview coverage to continue expanding through 2026 and into 2027, particularly into commercial and product comparison query types. We expect citation share to become an industry-standard UK SEO KPI by end of 2026. We do not expect classic organic ranking to disappear; we expect it to matter most in the queries the AI Overview chooses not to answer.

Methodology summary

The UK AI Overviews Traffic Tracker is built from anonymised UK Google Search Console data across the Creative Marketing Group client panel, third-party SERP feature data, and supplementary crawls of representative UK query universes. Confidence interval at the headline coverage level is +/-3% at a 95% confidence level. The tracker is published quarterly. Cross-tabs by sector and query type are available via the press room.

Suggested citation: Creative Marketing Research, UK Google AI Overviews Traffic Impact Tracker, Q2 2026, Creative Marketing Group, April 2026. Available at creativemarketingltd.co.uk/uk-ai-overviews-traffic-tracker.