Nofollow Links and SEO: What They Do to Your Rankings

Nofollow links do not pass PageRank in the traditional sense, but that does not make them worthless for SEO. Since 2019, Google has treated nofollow as a hint rather than a directive, meaning it can choose to count certain nofollow links when evaluating a page’s authority. The honest answer is: it depends on the link, the context, and what you are trying to achieve.

If you have been dismissing every nofollow link as dead weight, you are probably leaving value on the table. And if you have been obsessing over link attributes at the expense of actually earning good coverage, you have the priorities backwards.

What Does Nofollow Actually Mean?

A nofollow link carries the rel=”nofollow” attribute in its HTML. It was introduced by Google in 2005 as a way to let webmasters signal that a link should not be treated as an editorial endorsement. Comment spam was rampant at the time, and nofollow was a practical solution to a messy problem.

For years, the rule was simple: nofollow links do not pass PageRank. Crawlers would follow the link to index the destination page, but no link equity would flow through it. That was the consensus, and most SEOs treated it as gospel.

In September 2019, Google updated its guidance. Nofollow became one of three link attributes, alongside rel=”sponsored” for paid placements and rel=”ugc” for user-generated content. More importantly, Google stated that all three would be treated as hints, not directives. The algorithm would use them as signals when evaluating links, but it reserved the right to use any of them for crawling and indexing purposes.

That single word, hints, changed the calculus. It did not make nofollow links equivalent to followed ones. But it opened the door to a more nuanced reality that most SEO advice still has not fully absorbed.

Why the 2019 Change Matters More Than Most People Acknowledge

When I was running iProspect and managing link strategies across dozens of client accounts simultaneously, the binary thinking around link attributes caused real problems. Teams would spend hours auditing link profiles, flagging nofollow links as low-value, and chasing followed links from any domain that would have them. The result was often a technically cleaner spreadsheet and a practically weaker strategy.

The 2019 update formalized something that many experienced practitioners already suspected: Google’s systems are sophisticated enough to evaluate context, not just attributes. A nofollow link from a major newspaper to your site is not the same as a nofollow link from a comment section on a low-traffic blog. The attribute is the same. The signal is not.

What Google essentially said in 2019 was that it would use its own judgment about when a nofollow link carries enough contextual weight to be worth incorporating into its ranking signals. You do not get to see that judgment. You do not get a report on which nofollow links it decided to treat as hints versus which it ignored. But the implication is clear: quality still wins, and quality is evaluated at the level of the link and the page, not just the attribute.

If you want a broader grounding in how link-building fits into a complete SEO approach, the Complete SEO Strategy hub covers the full picture, from technical foundations to content and acquisition.

The Indirect Value That Gets Ignored

Even if you set aside the PageRank question entirely, nofollow links carry indirect value that is worth taking seriously.

Referral traffic is the obvious one. A nofollow link in a high-traffic article sends real visitors to your site. Those visitors may convert, subscribe, or share your content. None of that depends on whether the link passes PageRank. I have seen nofollow links from editorial placements drive more qualified traffic in a single month than a cluster of followed links from marginal directories ever did.

Brand visibility is the less obvious one. When your site appears in credible publications, even with a nofollow attribute, it shapes how people perceive you. That perception influences branded search volume. And branded search volume is a signal Google pays attention to, even if it cannot be traced back to a single link. The relationship between brand and search performance is more interconnected than most channel-specific strategies account for.

There is also the question of link velocity and profile naturalness. A site that only ever earns followed links from editorial sources is unusual. Real sites, the kind that exist in the world rather than existing purely for SEO purposes, accumulate a mix of followed and nofollow links over time. Social profiles, directory listings, press coverage, forum mentions, partner pages: most of these carry nofollow attributes. A backlink profile that lacks this texture looks engineered, and engineered profiles attract scrutiny.

What the Data Tells Us (and What It Does Not)

The SEO industry loves a clean correlation, and the nofollow question has generated plenty of testing over the years. The challenge is that most of it is correlational, not causal. You can observe that sites with high-authority nofollow links tend to rank well, but you cannot isolate the nofollow link as the cause. Those sites also tend to have strong content, good technical foundations, and a healthy mix of followed links.

What we can say with reasonable confidence is that Google’s systems are not purely mechanical. They do not simply count followed links and ignore everything else. The hint language in the 2019 update was deliberate. Google was signaling that its evaluation of links is more contextual than the old binary model suggested.

Moz has done useful work on testing SEO assumptions beyond the obvious factors, and the broader lesson from that body of work is that the ranking system rewards comprehensive quality rather than isolated optimizations. That is a useful frame for thinking about nofollow links. They are one input among many, and their value is contextual.

Semrush’s research into backlinks for local SEO also highlights that the type and source of a link matters more than the attribute in many competitive contexts. A nofollow mention in a local news outlet or industry publication can carry more practical weight than a followed link from a site with no relevance or authority.

Where Nofollow Links Are Unavoidable (and That Is Fine)

Some of the most valuable placements on the internet are nofollow by default. Wikipedia links are nofollow. Most major news sites nofollow their outbound links. Social media platforms nofollow almost everything. Reddit, Quora, and similar communities apply nofollow to user-generated content.

If you are building a link strategy that dismisses these placements because of the attribute, you are essentially ruling out some of the highest-visibility real estate on the web. That is a poor trade.

I spent time judging the Effie Awards, which meant sitting with campaigns that had driven measurable business outcomes. The brands that performed consistently were not the ones that had optimized every micro-variable in isolation. They were the ones that had built genuine presence across multiple channels and touchpoints. The same principle applies to link building. A Wikipedia mention, a press citation, a social share from an industry figure: these build the kind of ambient authority that is hard to manufacture and easy to underestimate.

The Search Engine Journal has a useful overview of what to prioritize and avoid in SEO, and one consistent theme is that chasing technical shortcuts at the expense of genuine quality tends to create fragile results. Nofollow obsession is a version of that same trap.

The Link Profile Naturalness Argument

Here is a point that does not get enough attention: an unnatural link profile is itself a negative signal.

If your backlink profile consists almost entirely of followed links from domains that appear to have been acquired rather than earned, that pattern is visible to Google’s systems. Conversely, a profile that includes a healthy proportion of nofollow links from credible, relevant sources looks like what a legitimate site actually looks like in the real world.

When I was growing an agency from around 20 people to over 100, one of the things that shaped how I thought about client strategy was the difference between short-cycle wins and structural advantages. Short-cycle wins feel good in a monthly report. Structural advantages compound. A natural, diverse backlink profile is a structural advantage. It is harder to build, slower to show up in rankings, and much harder for competitors to replicate or for algorithm updates to penalize.

Nofollow links from relevant, authoritative sources are part of that structure. Treating them as worthless because they do not pass PageRank in the traditional model is like dismissing brand advertising because it does not convert directly. The measurement is incomplete, not the activity.

Sponsored and UGC: The Other Attributes Worth Understanding

Since 2019 introduced three attributes rather than one, it is worth being clear on what the others mean in practice.

rel=”sponsored” is intended for paid placements, affiliate links, and any link that exists as part of a commercial arrangement. Google has always been clear that paid links should not pass PageRank, and the sponsored attribute is the correct way to signal that. Using nofollow where sponsored is more accurate is not a major violation, but it is imprecise, and imprecision in link signals is not where you want to be.

rel=”ugc” is for user-generated content: forum posts, comment sections, community platforms. It signals that the link was not placed editorially by the site owner. Most platforms apply this automatically. If you are building links through community participation, this is the attribute you will typically encounter.

The practical implication is that Google has more granular information about why a link exists than it did before 2019. That granularity is used to evaluate the weight of the signal. An editorial nofollow link from a journalist who chose to reference your work is a different signal from a ugc nofollow link in a comment thread. Both are nofollow. The context is different.

How to Think About Nofollow Links in a Practical Strategy

The practical answer to “do nofollow links help SEO” is: yes, in several ways, and no, not in the direct PageRank sense that followed links provide. The more useful question is how to allocate effort across different types of link acquisition.

A few principles that hold up in practice:

Pursue quality placements regardless of attribute. If a high-authority, relevant publication will reference your content with a nofollow link, that is worth more than a followed link from a low-authority site with no audience. The attribute is secondary to the quality of the placement.

Do not engineer your nofollow ratio. Some SEOs recommend deliberately building nofollow links to achieve a “natural” ratio. This is over-engineering a signal that Google evaluates in context, not by counting percentages. Focus on earning coverage from real sources, and the profile will normalize naturally.

Track referral traffic from nofollow sources. If a nofollow link is sending meaningful traffic, it is contributing to your business regardless of its SEO value. That traffic may engage with your content, build brand familiarity, and generate subsequent branded searches. Those downstream effects are real, even if they are harder to attribute.

Use the sponsored attribute correctly. If you are running affiliate programs or paying for placements, use rel=”sponsored”. This is not just about compliance; it is about giving Google accurate information, which generally serves you better than trying to obscure commercial relationships.

Semrush’s work on on-page SEO testing reinforces a broader point that applies here: the ranking system is evaluating multiple signals simultaneously, and optimizing one in isolation while ignoring others is rarely the highest-leverage activity. Nofollow link strategy is no different. It belongs in a broader content and acquisition framework, not in a siloed attribute-optimization exercise.

The Over-Engineering Trap in Link Strategy

There is a version of link building that has become genuinely counterproductive, and it usually starts with too much focus on attributes and not enough focus on editorial quality.

I have reviewed link strategies from agencies that had built elaborate processes: tiered outreach by domain authority, attribute filtering, anchor text ratios calibrated to three decimal places. The spreadsheets were impressive. The actual coverage was thin, the content being linked to was mediocre, and the results were marginal. The process had become the point.

The sites that earn strong, durable link profiles tend to do something simpler: they produce content that other people genuinely want to reference. That content earns followed links, nofollow links, social mentions, and citations across different contexts. The attribute distribution takes care of itself because the content is actually good.

Nofollow links are a symptom of this broader principle. If you are earning nofollow links from credible sources, it usually means your content is being cited in places that apply nofollow by default, which are often the most credible and high-traffic places on the internet. That is not a problem to solve. It is a signal that your content strategy is working.

If you want to see how link acquisition fits into the full architecture of a search strategy, including content, technical SEO, and competitive positioning, the Complete SEO Strategy hub covers each component in detail.

About the Author

Keith Lacy is a marketing strategist and former agency CEO with 20+ years of experience across agency leadership, performance marketing, and commercial strategy. He writes The Marketing Juice to cut through the noise and share what works.

Frequently Asked Questions