What is a Nofollow Link?

A nofollow link is a type of hyperlink that carries the rel=”nofollow” attribute in its HTML code. This attribute instructs search engines not to pass on any PageRank or link equity through that link to the linked page. Originally introduced by Google in 2005, nofollow links were designed to help webmasters prevent spam on blogs and forums caused by indiscriminate link posting. Today, they are used more broadly to manage the flow of link equity, specify sponsored links, or links to untrusted content.

Importance in SEO and Web Management

Controlling Search Engine Crawling and Indexing

Nofollow links give website owners control over which external sites they choose to endorse. By marking certain links as nofollow, webmasters can prevent search engines from associating their site with potentially low-quality or harmful external sites.

Managing Link Equity

Using nofollow attributes helps manage and preserve a site’s link equity. Without nofollow, linking out to several external sites can dilute a site’s own ranking strength as it distributes link equity across these links. Nofollow ensures that the site’s ranking power is not unnecessarily shared with other sites.

Key Uses of Nofollow Links

Comment Sections and Forums

Nofollow is commonly used in the comment sections of blogs and forums to prevent spam links from benefiting in terms of SEO. This helps maintain the quality and credibility of a website while still allowing users to post external links.

Sponsored and Affiliate Links

When links are placed as part of advertisements, sponsorships, or affiliate arrangements, they should be tagged with nofollow to comply with Google’s guidelines on paid links. This ensures transparency and prevents the manipulation of search engine rankings through paid link schemes.

Implementing Nofollow Links

Adding the Nofollow Attribute

To create a nofollow link, the rel=”nofollow” attribute must be added to the anchor tag in the HTML of the webpage. For example:


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<a href=”http://example.com” rel=”nofollow”>Link Text</a>

This markup tells search engines not to follow this particular link during their crawling process.

Strategic Use in Content

While nofollow links are essential for certain types of content like user-generated content and paid links, they should be used strategically. Overuse of nofollow can restrict the natural benefits of linking, such as fostering relationships and resources across the web.

Challenges and Best Practices

Balancing Nofollow and Dofollow Links

Maintaining a natural balance between nofollow and dofollow links is crucial. A site with exclusively dofollow links may seem manipulative, while too many nofollow links can make a site appear guarded or untrustworthy. Striking the right balance based on the nature of the linked content and the relationship between the sites is key.

Regular Review and Adjustment

Webmasters should regularly review their use of nofollow, especially in light of changing guidelines from search engines and evolving SEO strategies. As a site’s content and external relationships evolve, adjustments might be necessary to optimize SEO while adhering to best practices.


Nofollow links are a vital tool in SEO and web management, providing essential control over how link equity is distributed and helping to maintain site integrity. Proper use of nofollow can safeguard a site’s reputation in search engine rankings while allowing for flexibility in linking practices. By understanding when and how to use nofollow appropriately, webmasters can ensure that their linking strategy supports their overall SEO and web management goals effectively.