Research References
All statistics cited across this website are drawn from published research. Sources are listed below in the order they appear. Numbers correspond to the superscript callouts on each page.
HubSpot
SEO leads close at a 14.6% rate, compared to 1.7% for outbound marketing methods such as cold calling or direct mail.
HubSpot Marketing Statistics
BrightEdge
Organic search delivers a cost-per-acquisition 61% lower than paid advertising channels.
BrightEdge Organic Search Research
Conductor
Median 3-year return on investment from SEO is 825%. Thought leadership content generates 748% ROI compared to 16% for basic content.
Conductor SEO & Content Performance Research
Salesforce, 2024
AI referral traffic grew 778% year-over-year across tracked websites and platforms.
Salesforce State of Marketing / Connected Consumer Report, 2024
Ahrefs, 2024
Traffic referred from AI tools converts at approximately 23× the rate of traditional organic search. Separately, 90% of pages cited by ChatGPT rank at position 21 or lower in traditional search results.
Ahrefs AI Search & Content Research, 2024
Nearly half of all Google searches have local intent. 76% of people who conduct a local search on their mobile phone visit a related business within 24 hours.
Google Consumer Insights / Think with Google
BrightLocal
The Google Local Pack appears in 93% of local intent searches. Businesses in the Local Pack receive 126% more website traffic than those outside it. The Local Pack captures 44% of all clicks on the results page.
BrightLocal Local Consumer Review Survey / Local Search Industry Report
Nielsen
Campaigns that are consistent with a brand's established identity are 69% more persuasive than campaigns that are not.
Nielsen Brand Resonance & Trust Research
Edelman Trust Barometer
88% of consumers say that authenticity is a key factor when deciding which brands they support or purchase from.
Edelman Trust Barometer Special Report: Brand Trust
Capgemini Research Institute
70% of consumers say they find AI-generated content harder to trust than human-created content. 52% say they reduce their engagement with brands that appear to rely heavily on AI-generated material.
Capgemini Research Institute: Consumer and Gen AI Report
SparkToro
60% of Google searches now end without a click to any website — users receive their answer directly from AI-generated search features.
SparkToro Zero-Click Search Research
Bain & Company
Acquiring a new customer costs 5–7× more than retaining an existing one. Repeat customers spend, on average, 67% more per purchase than new customers.
Bain & Company / Harvard Business Review: The Value of Keeping the Right Customers
Note: Statistics in marketing research can vary between studies, methodologies, and time periods. The figures above reflect the most widely cited versions of each finding as of the date of publication. Where a figure is drawn from a secondary aggregation rather than the primary study, the original source is credited. If you have questions about any specific figure, get in touch.