Earning unpaid search visibility through content, technical quality, and authority. SEO and paid search are planned together: paid covers what organic cannot rank for, organic reduces dependence on paid, and both are affected by AI answers absorbing informational queries.
Used in The Signal
- Case Study: Nasdaq and Nine Countries of Page One
- Driving Traffic to Content in 2026 Means Accepting the Click Is Rationed
- Generative Engine Optimization Is Not Just SEO With a New Name
- SEO vs. PPC Is a Timing Question, Not a Loyalty Question
- Strategy That Cannot Read the Stack Is Just Opinion
- What Is GEO? The Discipline That Decides Who AI Recommends
- Your Brand Has an AI Reputation. Nobody Owns It.
- Your Organic Click Through Rate Just Dropped 61 Percent
Cite this entry:
Agency Echelon. "SEO." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/seo/