Updated 2026: Back in 2009, I tackled a question from one of the internet marketing forums I moderated: should you mix affiliate links on an AdSense site? It was a common debate at the time. The answer then was “it depends, and you need to test.” That answer has not changed, but the landscape around both monetization methods has shifted considerably.
What Is the Difference Between AdSense and Affiliate Links?
Google AdSense is a contextual advertising program that displays ads on your website and pays you a small amount each time a visitor clicks one of those ads. You do not choose which ads appear; Google's algorithm matches ads to your content and audience. Affiliate links, by contrast, are specific product or service recommendations where you earn a commission when a visitor clicks through and makes a purchase.
The fundamental difference is what you are optimizing for. With AdSense, you want clicks. Visitors arrive at your site, find an ad that catches their attention, click it, and leave. With affiliate marketing, you want trust and conversion. Visitors arrive, read your recommendation, click through to the merchant, and buy something.
AdSense vs Affiliate Links: A Comparison
| Factor | AdSense | Affiliate Links |
|---|---|---|
| Revenue per click | $0.10 to $3.00 typical | Varies widely, but commissions can be $5 to $100+ |
| Content approach | High volume, informational content | Product reviews, comparisons, buyer intent content |
| Site design | Some argue simpler sites perform better | Trust-building design with clear recommendations |
| Traffic needed | High volume required for meaningful revenue | Lower traffic can work with high conversion content |
| Control over revenue | Low, Google sets the rates | Higher, you choose products and negotiate rates |
| Skill required | Lower, paste code and go | Higher, requires persuasive content and audience trust |
Should You Mix AdSense and Affiliate Links?
In the original post, I walked through a simple math example. If you have 1,000 visitors per month and a 10% click-through rate, you get 100 clicks either way. With AdSense at $0.50 per click, that is $50. With affiliate links at a 5% merchant conversion rate and $10 commission, that is also $50. A tie, in theory.
The reality is more nuanced. Mixing the two often hurts both. AdSense ads can siphon away visitors who would have clicked your affiliate links instead. Those AdSense clicks might earn you $0.50 each while the affiliate sale you lost would have earned you $15. Conversely, if your content is purely informational and not product-focused, affiliate links may feel forced while AdSense captures the natural exit clicks.
My general recommendation in 2026 is to pick one primary monetization method per site, or at minimum per page. Product review pages should use affiliate links, not AdSense. Informational pages where visitors are researching, not buying, may do better with display advertising.
What Has Changed Since 2009
Display advertising has moved beyond AdSense. Premium ad networks like Mediavine (now Raptive) and AdThrive offer significantly higher RPMs than AdSense for sites with sufficient traffic, typically 50,000 or more monthly sessions. If you are running a content site monetized with display ads, you should not be using AdSense once you hit those traffic thresholds.
Affiliate marketing has become more sophisticated. Modern affiliate content focuses on genuine product reviews, detailed comparisons, and buyer guides that serve search intent. Google's Product Reviews Update specifically rewards content that demonstrates actual product experience over generic summaries.
The PPC arbitrage world I referenced in 2009 has largely disappeared. The strategy of buying cheap pay-per-click traffic and sending it to AdSense sites was common then but is nearly extinct now due to Google's quality score requirements and policy enforcement.
How to Decide for Your Site
Ask yourself these questions:
- Is your traffic buyer-intent or informational? Buyer intent traffic (“best running shoes for flat feet”) earns more through affiliate links. Informational traffic (“how do running shoes work”) earns more through display ads.
- Do you have product expertise? Genuine product knowledge lets you write reviews that convert. Without it, display ads may be the simpler path.
- What is your traffic volume? Low traffic sites often earn more per visitor with affiliate links. High traffic sites can generate meaningful revenue from display ads alone.
The advice from 2009 still stands: know your numbers and test. But do not be afraid to commit to one approach and do it well rather than splitting your efforts across both.
For more on site monetization strategies, subscribe to the Late Night Internet Marketing podcast on Apple Podcasts.
