Nofollow Links
Definition
Links with rel='nofollow' that don't pass ranking signals to the destination.
Nofollow Links — What It Is
What is a nofollow link? It is a hyperlink with the rel="nofollow" attribute that tells search engines not to pass ranking signals to the linked destination. In plain terms, it is a way to say, “This link is not an endorsement in terms of SEO authority.” This helps site owners control which links contribute to ranking, especially in user-generated content or paid placements. [9]
Nofollow links are still usable for users and for traffic. They can bring visitors to a page and can affect brand exposure or topical relevance, even if they don’t pass PageRank or other ranking signals directly. Over time, Google has evolved how it treats these links, moving away from a blanket disallow and toward a more nuanced approach that looks at context and signals. [14]
This distinction matters when you build links from diverse sources such as user comments, forums, sponsorships, or press mentions. Understanding nofollow helps you create a balanced link profile that supports discovery and branding while aligning with search engine guidelines. [10]
Think of it this way: a nofollow link is like a business card handed out at a conference. It may lead people to your site, but it doesn’t automatically transfer the authority of the person who handed it to you. You still gain exposure and potential visitors, while keeping control over ranking influence. [8]
How It Works
Programmatic SEO often involves creating large sets of pages and links programmatically. Nofollow links interact with this process in a few key ways. First, you can deliberately mark certain links as nofollow to comply with guidelines or to avoid passing ranking signals to untrusted sources. Second, search engines still crawl and index pages linked with nofollow, which means these pages can be discovered and consumed, even if authority isn’t passed. [9]
From a practical standpoint, here’s how to think about it step by step:
- Identify links that should not pass equity— such as UGC, sponsored content, or untrusted sources. [14]
- Apply the nofollow attribute to those links within your pages or templates. This keeps your linking profile controlled without blocking crawling. [13]
- Monitor your link profile to maintain a natural mix of nofollow and dofollow links. Experts suggest a balanced approach for modern SEO. [6]
- Evaluate impact on traffic, brand signals, and crawl behavior. Remember, nofollow can still help with discovery and audience building. [7]
In short, nofollow is a tagging system for links. It guides search engines on whether to consider the link for ranking. It does not prevent crawling or indexing, but it stops equity from flowing through that link. [5]
Real-World Examples
Let’s walk through practical scenarios where nofollow links come up in programmatic SEO workflows.
Example 1: Sponsored content
You publish a large roundup page and include sponsor links. You should mark sponsor links as nofollow to comply with guidelines, while still allowing users to click through. This protects your site from transferring ranking signals to paid partners. [14]
Example 2: User-generated content
A forum page features lots of external links from readers. To avoid letting low-quality user links skew your profile, you add nofollow to those links. This helps keep your main site’s signal healthy while still providing value to readers. [11]
Example 3: High-traffic directory or press mentions
Entries from reputable directories or news sites often link to you with nofollow. They can still drive traffic and brand visibility, contributing to topical relevance without passing authority. Think of it as inviting people to visit your site rather than pushing page rank through that single link. [8]
Bottom line: use nofollow where it makes sense, not to game search engines. A healthy mix supports both discovery and compliance. [9]
Benefits of Nofollow Links
Even though nofollow links don’t pass ranking signals, they bring several important advantages in programmatic SEO.
- Traffic and exposure: People can click through and visit your site, boosting referrals and potential conversions. This can indirectly support SEO through engagement signals. [4]
- Natural link profile: A mix of dofollow and nofollow links mirrors real-world link patterns, reducing the risk of penalties from over-optimizing. [6]
- Brand signals and topical relevance: Nofollow links can contribute to a site’s authority indirectly by association and relevance to topics. [3]
- Compliance with guidelines: You can clearly label advertising, sponsorships, and UGC, reducing confusion for users and search engines. [16]
For programmatic SEO, the key is to plan a strategy that includes a meaningful percentage of nofollow links without making your site appear unsafe or unnatural. A balanced approach is repeatedly recommended by industry experts. [15]
Risks and Challenges with Nofollow Links
Like any SEO topic, there are caveats to consider when using nofollow links in programmatic strategies.
- Indirect impact on rankings: Nofollow links don’t pass PageRank, so their direct effect on rankings is limited. However, they can influence crawl, indexing, and behavior signals that relate to overall SEO. [10]
- Potential misinterpretation: Marking too many links as nofollow can appear manipulative if not done for legitimate reasons, risking penalties in some contexts. Google emphasizes proper use to avoid penalties. [7]
- Crawling and discovery: Nofollow does not stop crawling; however, an excess of nofollow links on a page can affect how Google perceives the page’s overall authority. It’s important to maintain a healthy mix. [9]
- Evolving guidelines: The interpretation of nofollow has evolved, with new attributes like ugc and sponsored guiding how signals are handled. Staying updated is essential. [14]
In practice, the risk is manageable when you document reasons for nofollow links and monitor performance across pages. Diversify with dofollow links to maintain a healthy authority profile. [1]
Best Practices for Nofollow Links in Programmatic SEO
These practical tips help beginners implement nofollow links effectively while keeping a natural SEO profile.
- Use nofollow thoughtfully: Apply mainly to UGC, paid, and untrusted sources. Do not misuse it to suppress all external links. [13]
- Maintain a natural mix: Industry guidance often recommends a healthy proportion of nofollow links in a diverse profile. Aim for a realistic distribution to avoid red flags. [6]
- Annotate sponsorships and UGC: Clearly mark sponsored and user-generated links to meet guidelines and improve trust with users. [16]
- Monitor impact: Track traffic, referrals, and engagement from nofollow links to understand indirect benefits. [4]
- Stay updated: Google’s guidance on nofollow has evolved; keep an eye on official announcements for changes in crawl and indexing behavior. [14]
Pro tip: Treat nofollow as part of a broader linking strategy rather than a quick fix. It helps you build a robust, credible link ecosystem. [8]
Getting Started with Nofollow Links
Starting with nofollow links in a programmatic SEO project is easier than you might think. Follow these beginner-friendly steps to implement a responsible nofollow strategy.
- Learn the basics: Understand what nofollow does and does not do. Read simple explanations and official guidelines to form a clear mental model. [9]
- Audit your current links: Use a basic tool to identify which links on your site are nofollow, sponsored, or user-generated. This creates a baseline. [11]
- Plan a balanced mix: Decide on a target ratio of nofollow to dofollow links based on your content type and audience. Many sources suggest a natural balance rather than extremes. [6]
- Implement gradually: Update templates for sponsorships and UGC with nofollow, then expand to other areas as needed. [16]
- Measure and iterate: Track traffic and engagement from pages with nofollow links to assess indirect SEO effects. [4]
Here’s a simple starter prompt you can use when reviewing a page:
Review a page's links and identify which should be labeled nofollow. Ensure sponsored and UGC links are tagged. Report the percentage of nofollow vs. dofollow and propose adjustments to reach a natural mix.
Sources
- Backlinko. "What Is a Nofollow Link? Here's A Simple Plain English Answer." https://backlinko.com/nofollow-link
- Safari Digital. "Nofollow Links and SEO – Can They Impact Rankings?" https://www.safaridigital.com.au/blog/nofollow-links-seo-value/
- Orbit Media Studios. "Myth-Busting: Do "nofollow" Links Have SEO Value?" https://www.orbitmedia.com/blog/nofollow-links-seo-value/
- Linkflow. "Nofollow Backlinks: What's the Point? [Video]" https://linkflow.ai/blog/nofollow-backlinks/
- Leadnicely. "Understanding Nofollow Links and Their Impact on SEO" https://www.leadnicely.com/what-is-a-nofollow-link/
- 3way.social. "Nofollow Links SEO: A Complete Guide" https://3way.social/blog/nofollow-links-seo/
- Search Engine Land. "The Role of Nofollow Links in SEO" https://searchengineland.com/seo-2/the-role-of-nofollow-links-in-seo
- SEMrush. "Nofollow Links vs. Follow Links: All You Need to Know" https://www.semrush.com/blog/nofollow-links/
- Ahrefs. "What is Nofollow?" https://ahrefs.com/seo/glossary/nofollow
- Search Engine Journal. "Are Nofollow Links A Google Ranking Factor?" https://www.searchenginejournal.com/ranking-factors/nofollow-links/
- Respona. "Nofollow Links" https://respona.com/glossary/nofollow-links/
- Lauren Taylar. "Follow vs No Follow Links: What’s the Difference & Why It Matters for SEO" https://laurentaylar.com/blog/follow-vs-nofollow-links-seo
- Dofollow.com. "Nofollow Links: Guide to Everything You Need to Know!" https://dofollow.com/blog/nofollow-attribute
- Google Search Central. "Evolving \"nofollow\" – new ways to identify the nature of links" https://developers.google.com/search/blog/2019/09/evolving-nofollow-new-ways-to-identify
- 3way.social. "The Nofollow Links and SEO Playbook" https://3way.social/blog/nofollow-links-and-seo/
- Outreach Labs. "What is a Nofollow Link? When and How to Use It" https://www.outreachlabs.com/seo/backlink/types/no-follow/
- SEO.co. "Do Nofollow Backlinks Help SEO? Yes! Here's Why." https://seo.co/nofollow-backlinks/
- SEO.com. "What are Nofollow Links? How Nofollow Links Affect SEO" https://www.seo.com/basics/glossary/seo-nofollow/