Key Questions Answered:
- Is adding “sponsored” tags good for SEO?
- Can you be penalized for improper affiliate linking?
Why Proper Disclosure Matters
Adding “sponsored” or “affiliate” tags is best practice for both SEO and legal compliance.
1. SEO Considerations
Transparency: Google prefers clear disclosure of affiliate relationships.
Link Attributes: Use either:
rel="sponsored"(recommended)rel="nofollow"(acceptable)
Penalty Risk: Undisclosed affiliate links may violate Google’s guidelines.
2. Legal Requirements
FTC Compliance: US sites must clearly disclose affiliate relationships.
EU/UK Laws: Similar disclosure requirements apply.
3. Link Cloaking Risks
Masking affiliate URLs without disclosure may be seen as deceptive.
Best Practices Summary
- Always use sponsored/nofollow attributes
- Clearly label affiliate links
- Avoid misleading URL structures
- Check local advertising laws
Following these rules maintains trust with both users and search engines.

Since 2009, I have been active as an SEO specialist and have proudly helped more than a hundred companies to improve their search results. With a portfolio of approximately 500 websites of my own, I am responsible for various aspects such as SEO, content marketing, PPC advertising, analytics, conversion optimization and email marketing. My extensive experience allows me to follow the latest trends in the industry, and I am well informed about developments in the field of AI and automation. As your partner in digital growth, I offer you the expertise and strategies necessary to maximize your online visibility.
