Different Types of Backlinks Explained: Which Ones Matter Most?

A link from a respected industry publication, a link buried in a comment section, and a link bought from a link vendor can all show up in your backlink count. They are not the same thing. Understanding the different types of backlinks in SEO helps you prioritize the links worth building, avoid sources that deliver little or no value, and maintain a backlink profile that looks natural to search engines.

A backlink profile that only includes dofollow links will look artificial and manufactured, potentially resulting in a penalty, according to Search Engine Land’s quality backlinks guide (November 2025). Natural profiles contain a realistic distribution of link types including standard dofollow links, nofollow links, sponsored links, and user-generated content links. Knowing what each type contributes helps you build that balance deliberately rather than by accident.

Which Backlink Types Matter Most for SEO?

Editorial Backlinks

Editorial backlinks are links that appear because a publisher, journalist, or researcher found your content genuinely worth citing. No payment, no pitch with a link request attached. The link exists because the content earned it. These are considered the most valuable types of backlinks in SEO because they’re the hardest to fabricate at scale.

What earns editorial links:

  • Original research, surveys, or data studies that other writers need to cite
  • Expert analysis and commentary that adds perspective unavailable elsewhere
  • Comprehensive guides that become the standard reference on a topic
  • Unique tools, calculators, or resources that practitioners link to from their own content

The context around an editorial link strengthens its impact. A link from a relevant industry publication within a paragraph discussing your specific area of expertise sends a clearer, stronger signal than the same link buried in a generic resource list.

For a practical strategy around earning these links consistently, read how to build a backlink strategy that supports business growth.

Contextual Backlinks

Contextual backlinks are links placed naturally within the body of written content, surrounded by text that’s relevant to the topic being linked. Search engines evaluate the surrounding content, topic alignment, and placement within the article when assessing link value.

A link that appears in the third paragraph of an article about content strategy, pointing to your guide on the same subject, carries more relevance signal than a link in a sidebar or footer. The content context tells search engines what the link is about and why it exists. This is true regardless of whether the link is editorial or was placed through outreach. Contextual placement consistently outperforms non-contextual placement.

Backlinks From Industry-Relevant Websites

Topical relevance often outweighs raw domain authority when evaluating a link’s SEO value. Links correlate more strongly with higher search volume queries, likely because these are more competitive and links act as a differentiator, according to Ahrefs’ analysis cited by Search Engine Land. In those competitive environments, links from niche-relevant sources carry disproportionate weight.

Valuable sources for industry-relevant links include:

  • Trade publications and industry media covering your specific category
  • Professional organizations and industry associations in your field
  • Niche blogs and expert communities where your target audience is active
  • Academic or research institutions if your content has educational value

A marketing agency earns more SEO signal from a link in a digital marketing publication than from a link on a high-authority general-interest news site. Topical alignment is the multiplier.

Different Backlink Types

Common Types of Backlinks and Their SEO Value

Guest Post Backlinks

Guest contributions to respected industry publications can generate both links and brand exposure. The value depends almost entirely on where you’re contributing. A substantive article in a publication your buyers read regularly is worth pursuing; a short piece on a site that accepts anything, primarily for link exchange, is not.

Tip: Before pitching a guest post, check whether the publication’s existing articles get real engagement (comments, social shares, visible readership). A site with high domain authority but no engaged audience won’t send you meaningful referral traffic regardless of the link.

Resource Page Backlinks

Many websites maintain curated lists of useful tools, guides, and resources for their readers. These resource pages represent ready-made link opportunities for businesses with genuinely useful content: the page already exists to link out, and your asset just needs to belong there.

Note: When doing resource page outreach, lead with what’s missing from their list rather than just asking for a link to your content. “I noticed your list doesn’t include anything on X. Here’s a guide we published that might fill that gap” converts far better than a generic link request.

Digital PR Backlinks

Digital PR campaigns generate links from news websites, industry publications, and media outlets through newsworthy content. Common link-generating formats include:

  • Original data and surveys with industry-specific findings
  • Expert commentary on timely news stories or trends
  • Reports and studies that become reference material for journalists
  • Campaigns that tap into current events or cultural moments

Digital PR links are typically editorial, appear in high-authority publications, and often carry stronger brand recognition signals than most other link types.

Business Profile and Directory Backlinks

Profile links from reputable directories and business listings have legitimate value in specific contexts. Local business directories (Google Business Profile, Yelp, local chamber sites), industry-specific directories (legal directories for law firms, medical directories for health practices), and professional associations provide signals that reinforce geographic and topical relevance.

The practical rule: a small number of relevant, well-maintained profiles in credible directories is useful. Submitting to hundreds of generic directories with no editorial standards or audience relevance is not. Relevance determines value here more than anywhere else in link building.

Partnership and Sponsorship Backlinks

Legitimate business relationships create natural link opportunities: event sponsorships, technology integrations and partner pages, professional association memberships, and community partnerships.

These links tend to be relevant, stable over time, and available through relationships you likely already have. They’re underused by many businesses precisely because they require actual relationships rather than outreach at scale.

Practical tip: Audit your existing business relationships before launching any outreach campaign. Integration partners, suppliers, trade associations, and event sponsors you’ve worked with in the past are often the fastest and most natural link sources available.

Backlink Types Based on Link Attributes

The rel attribute on a link tells search engines how to treat it. Understanding these four attribute types helps you read your backlink profile accurately and use the right attributes on outbound links from your own site.

Link attribute How search engines treat it Best use case
Dofollow (no attribute) Passes PageRank to the linked page Standard editorial and earned links
rel=”nofollow” Treated as a hint; generally doesn’t pass PageRank Links in comments, forums, or where endorsement isn’t intended
rel=”sponsored” Identifies paid placements; doesn’t pass PageRank Any link involving a payment or commercial arrangement
rel=”ugc” Identifies user-generated links; generally no PageRank Blog comments, forum posts, review platforms

DoFollow Backlinks

A dofollow link (the default link type without any special attribute) passes PageRank from the linking page to yours. Search engines treat it as a vote of confidence in your content, contributing to your page’s authority signals.

Quality counts for more than the dofollow status alone. A dofollow link from an irrelevant, low-traffic page with thin content contributes little. A dofollow link from a topically relevant, well-trafficked page within meaningful content contributes significantly. Prioritizing dofollow links is the right default, but not at the expense of relevance.

NoFollow Backlinks

A nofollow link carries the rel=”nofollow” attribute, which tells search engines not to pass PageRank through the link. Google updated its treatment of nofollow from a directive to a hint in 2019, meaning some nofollow links may influence rankings marginally in context.

Beyond potential direct ranking value, nofollow links still contribute real SEO benefit through:

  • Referral traffic from readers who click the link
  • Brand mentions that build awareness and entity recognition
  • Profile diversity that makes a backlink profile look natural
  • Visibility in publications that happen to nofollow all external links (many major media sites do)

A nofollow link in a high-traffic, relevant publication is often more valuable in practice than a dofollow link from a forgotten corner of the internet.

Sponsored and UGC Links

Google introduced “sponsored” and “ugc” as separate link types in March 2020. The rel=”sponsored” attribute identifies paid placements and commercial arrangements; rel=”ugc” identifies links created by users in comments, forum posts, and reviews.

These attributes exist to give publishers an accurate way to signal the nature of a link without the blanket nofollow treatment. Any link that involves payment should carry the sponsored attribute. Links in user-generated content sections should carry the ugc attribute. Using them correctly keeps your site compliant with Google’s guidelines without penalizing legitimate commercial relationships.

Common Types of Backlinks

Backlink Types That Are Less Valuable or Risky

Not all types of backlinks in SEO deliver positive results. Some carry risk, and some deliver so little value that the time spent acquiring them is wasted.

  • Paid links without disclosure: Links purchased to pass PageRank, without proper sponsored attribution, violate Google’s spam policies. The risk isn’t limited to penalties; it’s the ongoing maintenance burden of a link profile built on something Google is actively working to devalue and penalize.
  • Low-quality directory submissions: Submitting to large numbers of generic, low-authority directories with no real audience adds noise to a backlink profile without contributing authority signals. Directories with no editorial standards are a waste of outreach time.
  • Automated and spam backlinks: Comment spam, link networks, and links from sites that exist solely to pass links are the oldest manipulative tactics in SEO and the most likely to trigger algorithmic filtering or penalties. These links provide negligible SEO value at best and real risk at worst.

How to Prioritize Backlink Opportunities

When evaluating any potential backlink, run it through these questions:

  • Relevance: Does the linking site cover your industry or an adjacent topic your audience cares about?
  • Authority: Is the site credible and established, with real editorial standards?
  • Traffic: Does the page get real visitors who might follow the link?
  • Placement: Will the link appear in body content, not a footer or sidebar?
  • Trustworthiness: Is the site independently reputable, or does it exist primarily to sell or exchange links?

One relevant editorial backlink from a publication your buyers trust consistently outperforms fifty links from directories they’ve never heard of. The evaluation framework above points toward the links that deliver both ranking signals and real-world credibility.

For a deeper look at assessing backlink quality against these criteria, read backlink quality over quantity: how to prioritize links for better SEO results.

Building a Backlink Profile That Holds Its Value

The strongest backlink profiles combine multiple link types aligned with real business goals: editorial links that establish topical authority, contextual links that reinforce relevance, and a natural distribution of dofollow, nofollow, and attributed link types.

Chasing backlink volume leads to profiles that look unnatural and deliver diminishing returns. Prioritizing relevant, trustworthy sources produces a profile that holds its value through algorithm updates and compounds into durable authority over time.

Want to build a backlink profile that combines the right link types for your goals?

Devenup works with businesses on SEO strategy, link acquisition, and authority building.

Let’s look at your current profile and find the opportunities worth pursuing.

Frequently Asked Questions

Are backlinks from social media websites valuable for SEO?
Social media links are almost universally nofollow, meaning they don’t pass PageRank directly. They can still generate referral traffic, increase brand visibility, and contribute to a natural-looking link profile. Social shares can also indirectly lead to editorial coverage from people who discover and cite your content, which produces the dofollow links that do carry direct SEO value.
What is the difference between a backlink and a referring domain?
A backlink is a single link from one page to another. A referring domain is the website that hosts one or more of those links. If a site links to you from five different pages, that’s five backlinks but one referring domain. Referring domain count is generally a more meaningful authority metric than raw backlink count, since it reflects how many independent sources are linking to you.
Should all backlinks point to the homepage?
No. A natural backlink profile includes links to a variety of pages, including blog posts, guides, product pages, and other deep pages that have content worth referencing. Links to internal pages often provide more focused ranking support for specific keywords than homepage links. Building a mix of homepage authority and deep-page link equity is the stronger long-term approach.
Do backlinks from old websites still have SEO value?
Age of the linking site isn’t a primary ranking factor. What counts is whether the linking site is still active, indexed, and credible. An old site with maintained authority and real traffic can still pass valuable signals. A link from a site that was once authoritative but is now abandoned or penalized has far less value than it once did.
Can internal links replace the need for backlinks?
No. Internal links distribute authority already on your site and help search engines understand your content structure. Backlinks bring external authority signals from independent sources, which internal links can’t replicate. Both have important roles: internal linking helps existing authority flow to the right pages, while backlinks build the external authority that makes your site competitive for harder keywords.