I'm going to be fair to both sides here.
Most SEO people trash ads. Most ads people trash SEO.
Both are wrong. Both channels have strengths and weaknesses. The key is knowing when to use which.
Where SEO wins
Compound returns. The content you create today generates traffic for years. Ads stop the moment you stop paying.
Trust. 70-80% of users skip ads and click organic results. People trust earned placements more than bought ones.
Cost per acquisition long-term. After the initial investment, organic CPA drops every month as traffic compounds.
Defensibility. Strong organic positions are hard for competitors to displace. Ad positions? They just outbid you.
Where ads win
Speed. Ads generate traffic immediately. SEO takes weeks or months.
Control. You choose exactly which keywords, which audiences, which geographies. SEO is less precise.
Testing. Ads let you test messaging, landing pages, and offers rapidly before committing to SEO content.
New products/markets. When you launch something new and have zero organic presence, ads bridge the gap.
The real answer
Use both. But shift the balance over time.
Month 1-6: Heavier on ads while SEO foundations are being built.
Month 7-12: SEO starts contributing. Reduce ad spend on keywords where organic rankings are strong.
Month 13+: Organic dominates. Use ads only for new launches, testing, and keywords where organic can't compete. If you need help allocating resources, our SEO budget guide breaks it down.
Build the organic engine
SEO Checkup helps you build the SEO side of this equation. 113 tasks. Prioritized. With tutorials.
Free. No credit card. 30 seconds.
Because every dollar you shift from ads to organic is a dollar that keeps working long after you spend it. Ahrefs' SEO basics guide is a great resource for building that organic foundation.