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Nofollow Link

A nofollow link is a hyperlink that includes a rel="nofollow" attribute, which signals to search engines that the linking page doesn’t want to pass link equity or ranking authority to the destination URL.

What Nofollow Link Means in Practice

The nofollow attribute was introduced by Google in 2005 to combat comment spam. At the time, automated bots were flooding blog comments and forum threads with links to manipulative websites, and every one of those links was passing authority. The rel="nofollow" tag gave webmasters a way to say: “This link exists for users, but I’m not vouching for the destination.” Search engines would then ignore the link for ranking purposes.

That original use case has expanded significantly. Today, nofollow links appear across user-generated content (blog comments, forum posts, social media profiles), paid placements (sponsored posts, affiliate links, advertisements), and editorial contexts where a publisher wants to reference a source without endorsing it. If you’ve ever left a comment on a WordPress blog or posted a link on a social media platform, the link you created was almost certainly nofollow by default.

The critical distinction that many marketers miss is that nofollow is a hint, not a directive. In 2019, Google announced a fundamental change to how it treats nofollow. Prior to that update, nofollow was treated as a hard instruction: search engines wouldn’t crawl or pass authority through those links. After the update, Google began treating nofollow as a suggestion it could choose to follow or ignore for crawling and indexing purposes. This is a meaningful shift. A nofollow link from a high-authority site can still influence how Google discovers and evaluates your content, even if the authority signal is diminished compared to a standard followed link.

In practice, we see nofollow misunderstood in two ways. The first is dismissal: marketers who write off all nofollow links as worthless and focus exclusively on acquiring followed links. The second is anxiety: site owners who agonize over every nofollow link on their own site, afraid it’s “leaking” value. Neither response reflects how modern search engines actually process these signals. A healthy backlink profile contains a natural mix of followed and nofollow links. A profile with zero nofollow links actually looks suspicious because it suggests the links were acquired through artificial means rather than earned through genuine visibility.

For multi-location businesses, nofollow links appear frequently in local directory listings, social profiles, and review platforms. A Google Business Profile link, for instance, is nofollow. So are most links from Yelp, Healthgrades, and industry-specific directories. These links don’t directly boost domain authority, but they drive referral traffic, build brand visibility, and contribute to the broader citation footprint that local search algorithms evaluate. Writing them off because they’re nofollow is a strategic mistake.

It’s also worth understanding that nofollow is no longer the only link attribute in play. Google introduced two additional attributes alongside its 2019 update: rel="sponsored" for paid or sponsored links, and rel="ugc" for user-generated content. These provide more granular signals to search engines about the nature of a link. In practice, adoption has been slow. Most platforms still default to rel="nofollow" for anything that isn’t a standard editorial link, and Google has confirmed that using nofollow as a catch-all remains acceptable.

Why Nofollow Link Matters for Your Marketing

Understanding nofollow links matters because link acquisition is one of the most resource-intensive parts of any SEO program, and misunderstanding which links carry value leads to wasted effort. If your team is spending time disavowing nofollow links or ignoring high-traffic referral sources because they’re tagged nofollow, you’re misallocating budget.

The business case is straightforward. According to Moz’s analysis of ranking factors, link-based signals remain among the strongest predictors of organic ranking performance. But that doesn’t mean every link needs to be a followed, high-authority editorial placement. A diversified link profile that includes nofollow links from relevant directories, press mentions, social platforms, and user-generated content signals to Google that your brand exists in the real world, not just in a link builder’s spreadsheet.

For organizations managing digital marketing across multiple channels, nofollow links also serve a practical function beyond SEO. They drive referral traffic, support brand recognition, and create touchpoints across the customer journey. A nofollow link from a major industry publication still puts your brand in front of the right audience. The click doesn’t care whether the link passes authority.

How Nofollow Links Work

At a technical level, a nofollow link looks identical to a standard link in the browser. Users can’t tell the difference. The distinction exists entirely in the HTML markup. A standard link reads:

<a href="https://example.com">Anchor Text</a>

A nofollow link adds the rel attribute:

<a href="https://example.com" rel="nofollow">Anchor Text</a>

When a search engine crawler encounters a nofollow attribute, it receives a signal that the linking page isn’t explicitly endorsing the destination. Before 2019, Google’s crawler would typically skip following the link entirely and wouldn’t factor it into PageRank calculations. After the 2019 update, the crawler treats nofollow as a hint. Google’s systems can choose to follow, index, or use the link for ranking signals at their discretion. The practical effect is that nofollow links from authoritative, relevant sources carry more potential value than they did under the old model.

The key variables that affect a nofollow link’s impact are the authority of the linking domain, the relevance of the linking page to the destination content, the anchor text used, and the overall link context. A nofollow link from a New York Times article about your industry carries more weight than a nofollow link from a random forum thread. Google’s systems are sophisticated enough to evaluate these contextual signals regardless of the nofollow attribute.

Common mistakes with nofollow links fall into three categories. First, applying nofollow to internal links, which was once recommended as a “PageRank sculpting” technique but is now widely considered counterproductive. Google’s John Mueller has explicitly advised against nofollowing internal links because it prevents the search engine from understanding your site’s architecture. Second, failing to apply nofollow (or the more specific rel="sponsored") to paid links, which violates Google’s link spam policies and can result in manual penalties. Third, treating all nofollow links as valueless in link building strategy, ignoring the referral traffic, brand exposure, and indirect ranking signals they provide.

What good looks like is a link profile where nofollow and followed links coexist in natural proportions. Industry benchmarks vary, but a healthy profile typically shows 20-40% nofollow links. A profile that’s 100% followed links looks manipulated. A profile that’s 90% nofollow suggests the site hasn’t earned meaningful editorial endorsements. The balance signals authenticity to search engines and reflects a brand that’s visible across multiple channels, not just in link building campaigns.

External Resources

Frequently Asked Questions

What is a nofollow link in simple terms?

A nofollow link is a regular hyperlink with a small piece of code added that tells search engines, “Don’t count this as an endorsement.” The link still works normally for users. Clicking it takes you to the destination page like any other link. The difference is behind the scenes: search engines receive a signal that the linking site isn’t vouching for the destination, which reduces (but doesn’t eliminate) the link’s influence on search rankings.

Why should I care about nofollow links?

Nofollow links affect how you evaluate your backlink profile, how you build links, and how you manage your own site’s outbound links. If you’re acquiring links and ignoring nofollow sources entirely, you’re leaving referral traffic and brand visibility on the table. If you’re not applying nofollow or sponsored attributes to paid links on your own site, you’re risking a Google penalty. Understanding the distinction helps you make better decisions about where to invest link building resources and how to maintain compliance with search engine guidelines.

How do I check if a link is nofollow?

Right-click the link in your browser and select “Inspect” or “Inspect Element.” This opens the browser’s developer tools and highlights the HTML for that link. Look for rel="nofollow" in the <a> tag. If it’s there, the link is nofollow. You can also use browser extensions like Nofollow Simple or SEO toolbars from Ahrefs or Moz that visually highlight nofollow links on any page. For a site-wide audit of your backlink profile, tools like Ahrefs, Moz, or SEMrush can filter your entire link profile by follow status.

How do nofollow links relate to SEO services?

Nofollow links are one component of the broader link strategy that sits within any SEO program. A comprehensive SEO engagement evaluates your full backlink profile, including the ratio of followed to nofollow links, the quality of nofollow sources, and whether paid or sponsored links are properly attributed. At DeltaV, link profile analysis is part of every technical SEO audit because link health directly affects ranking potential, and mismanaged link attributes can trigger penalties that undermine the entire organic program.

Is it true that nofollow links have zero SEO value?

No. This was closer to true before 2019, when Google treated nofollow as a hard directive. Since Google shifted nofollow to a hint, these links can influence crawling, indexing, and potentially ranking signals. A nofollow link from a high-authority, topically relevant page carries indirect value through referral traffic, brand visibility, and the possibility that Google chooses to factor it into ranking calculations. The “nofollow equals worthless” mindset is outdated and leads to poor link building strategy.

What’s the difference between nofollow, sponsored, and ugc link attributes?

All three are link attributes that provide signals to search engines, but they communicate different things. rel="nofollow" is the general-purpose attribute that says “don’t endorse this link.” rel="sponsored" specifically identifies links that were created as part of an advertisement, sponsorship, or other paid arrangement. rel="ugc" marks links within user-generated content like comments, forum posts, or community contributions. Google recommends using the more specific attributes when they apply, but treats rel="nofollow" as an acceptable fallback for all three scenarios.

Related Resources

Related Glossary Terms

  • Backlink: An inbound link from an external website to your site. Nofollow is one attribute that can modify how a backlink passes authority.
  • Domain Authority: A predictive ranking metric influenced by the quantity and quality of a site’s backlink profile, including the ratio of followed to nofollow links.
  • Anchor Text: The visible, clickable text in a hyperlink. Anchor text relevance affects link value regardless of whether the link is followed or nofollow.
  • Link Building: The practice of acquiring backlinks from external sites. Effective link building strategy accounts for both followed and nofollow link opportunities.