First-party data, free to cite.
Findings from the 1,000+ businesses SmartSites markets for, published with the sample, the method and the date. Every number below links to its dataset. Updated Oct 7, 2026.
11 numbers journalists and analysts can use.
Direct sessions jumped about 66 percent across the board, and the lift was essentially the same whether or not SmartSites managed the client's SEO.
92%of the year-over-year organic click decline came from one content typeNinety-two percent of the entire organic click decline came from informational how-to content such as "how to check tire pressure" or "how to jump-start a car" pages that AI Overviews now answer directly.
No liftin AI citations from FAQ schema in a 500-vs-500-site comparisonSites carrying FAQ structured data were cited by AI engines no more often than sites without it, with no statistically significant difference between the groups.
+32.4%year-over-year growth in AI referral traffic to smartsites.com (June 2026)In September 2025 smartsites.com was receiving roughly 2,000 visitors a month from AI citations.
85 of 95AI responses that named SmartSites when Google's AI was asked for e-commerce marketing consultantsIn Rand Fishkin's January 2026 SparkToro research, when Google's AI was asked to recommend digital marketing consultants with e-commerce expertise, SmartSites appeared in 85 of 95 responses.
2.5×more monthly organic visitors for dealerships with independent SEO vs. none (9,511 vs 3,743)Dealerships without active SEO averaged 3,743 monthly organic visitors.
51% vs 7%organic search's share of dealership website traffic vs. its share of marketing spendOrganic search delivered 51 percent of dealership website traffic while receiving about 7 percent of digital marketing spend.
Feb 2026SmartSites began running ChatGPT ads in the US pilot; cost per lead still well above other channels as of Sept 2026ChatGPT ads launched as a CPM product; translated to a cost-per-click basis the early inventory worked out to hundreds of dollars per click, and early movers saw no first-mover advantage.
6 platformsselling or testing ads inside AI answers as of September 2026Google AI Overviews has carried ads since 2024 in 12 English-language markets using existing Search, Shopping and Performance Max campaigns, with no opt-in, no opt-out and no segmented reporting.
2×form submissions month over month at the same spend and the same clicks, from value-based bidding aloneTelling Google what each conversion is worth, rather than treating a page view, a call and a form fill as equal, doubled form submissions month over month with the same spend and the same clicks.
+152%revenue in 12 months on only 4% more sessionsRevenue rose 152 percent, conversion rate 27 percent, average order value 28 percent and return on ad spend 117 percent, while sessions grew only 4 percent.
Method, in brief.
SmartSites manages search, paid media and analytics for more than 1,000 businesses, which gives it a first-party view of what is actually happening in Google Analytics 4, Google Search Console and the ad platforms across industries. Each dataset on this site states the period covered, the sample (number of properties or accounts), and how the number was calculated. Client identities are never disclosed; figures are aggregates.
Citing this research
SmartSites research, as published by Alex Melen at alexmelen.com/insights/ai-search-data/ (cite the dataset's date). The data is published under CC BY 4.0: quote it, chart it and link to it. For an interview, a custom cut by industry or region, or the underlying aggregates behind a specific finding, get in touch.
Where it has been presented
These findings underpin Alex's 2025–2026 sessions at Technology for Marketing / eCommerce Expo London, ANA, Digital Marketing Europe, NIADA and WordCamp Canada, and the AI-search chapters of Automotive Search Marketing. Transcripts and slides are on the AI search hub.
Want the numbers behind your own market?
Alex presents this research as a keynote or executive briefing and can cut the data for your vertical or region.