Link building - Inbound Link Types
Understand the various inbound link types, their purposes, and how search engines treat them.
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How are editorial links typically obtained by a website owner?
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Summary
Understanding Inbound Links
Introduction
Inbound links (also called backlinks) are links from external websites that point to your site. They're one of the most important factors in search engine optimization because they signal to search engines that your content is valuable and trustworthy. However, not all inbound links are created equal. They vary based on how they're obtained and how search engines treat them. Understanding these different types will help you recognize which links are most valuable for your website's performance.
Inbound links fall into two broad categories: earned links (links you gain naturally through quality content) and acquired links (links you obtain through specific strategies or arrangements). Let's explore each type.
Earned Links: Content That Speaks for Itself
Editorial Links
Editorial links are the gold standard in SEO. These are links that other website owners create naturally because they genuinely find your content valuable and relevant to their audience. Nobody asks for them—they happen organically because your content deserves to be referenced.
For example, if you publish groundbreaking research on your website, journalists and bloggers might link to your findings in their articles without any request or arrangement. Similarly, if you create a comprehensive guide on a topic, other website creators might reference and link to it simply because it's the best resource available.
Editorial links are highly valued by search engines because they represent genuine endorsements. When website owners choose to link to your content unprompted, it signals that your site is authoritative and trustworthy.
Resource Links
Resource links point to content that is genuinely useful and relevant to the linking site's audience. These are often placed on "resource" or "recommended links" pages that curate helpful content for visitors.
Resource links can work in two ways:
One-way links: Another site links to you, and you don't link back to them.
Two-way links: The linking arrangement is mutual, but each link is based on legitimate value rather than a formal reciprocal agreement.
The key distinction is that resource links should be based on genuine usefulness to the linking site's visitors, not just on the agreement to link to each other. For instance, a fitness website might link to a nutrition site on their "Resources" page because their visitors would find that information valuable.
Acquired Links: Strategic Link Building
While earned links are ideal, many websites use strategic approaches to acquire links intentionally. These methods are legitimate when done ethically, though they require more effort and planning.
Guest Blogging Links
Guest blogging (or guest posting) involves writing an article for another website with the dual purpose of providing value to their audience and earning a backlink to your own site. You create original, high-quality content for another website, and in return, they typically include a link back to your website in your author bio or within the article content.
For example, if you run a digital marketing blog, you might write an article for a business publication, and they'll include a link crediting you as the author.
Important caveat: Guest blogging links are often marked with a "no follow" attribute. This HTML tag tells search engines not to pass ranking credit through that link. While no follow links don't directly boost your search rankings, they still provide value through referral traffic and brand visibility. The "no follow" tag became common practice to prevent guest blogging from being abused as a pure link-building scheme.
Reciprocal Links
A reciprocal link is a mutual arrangement where Website A links to Website B, and Website B links back to Website A. This seems like a good strategy on the surface—both sites benefit from the link exchange.
However, modern search engines (particularly Google) have significantly reduced or eliminated ranking credit for reciprocal links. Search engines recognized that reciprocal linking could be abused and doesn't necessarily indicate genuine value or authority. If two low-quality websites simply agree to link to each other, that shouldn't boost their credibility as much as an unsolicited link from a trusted source.
This is an important lesson in SEO: search engines prioritize links that represent genuine endorsements, not just mutual agreements.
Blog and Forum Comment Links
When you comment on a blog post or forum discussion, you typically have the opportunity to include a link to your website. These links can generate valuable referral traffic when your comments are relevant and genuinely contribute to the discussion.
However, search engines treat these links differently than other types. Comment links are usually marked with either a "no follow" or "ugc" (user-generated content) attribute. These tags tell search engines not to pass ranking credit through the link. This happened because spammers would leave thousands of low-quality comments just to create links, so search engines developed these attributes to devalue such links.
The key takeaway: While blog and forum comment links won't help your search rankings directly, they can still drive traffic to your site if they're genuinely helpful contributions that readers will click on.
Summary
The most valuable inbound links are earned through genuinely high-quality content that others want to reference naturally. Acquired links can be helpful for traffic and brand visibility, but they're often marked as "no follow" or devalued by search engines. When building your link strategy, focus on creating content worth linking to, and use strategic acquisition methods ethically as a supplementary approach.
Flashcards
How are editorial links typically obtained by a website owner?
They are earned naturally when other owners find content valuable and link to it without being asked.
What is the primary characteristic of the content targeted by a resource link?
The content is beneficial, useful, and relevant to the linking site's visitors.
What is the primary goal of writing content for another website in guest blogging?
Gaining visibility and obtaining a backlink.
Which HTML attribute is typically applied to guest blogging backlinks?
"no follow".
How do modern search engine updates treat reciprocal links regarding ranking credit?
They no longer assign ranking credit to them.
Which attributes are usually applied to blog or forum comment links to prevent them from counting toward search rankings?
"no follow"
"ugc" (User Generated Content)
Quiz
Link building - Inbound Link Types Quiz Question 1: Which statement best describes an editorial inbound link?
- It is earned naturally because other site owners find the content valuable. (correct)
- It is purchased as a paid advertisement.
- It is exchanged as part of a reciprocal linking agreement.
- It is created through guest blogging with a “no follow” attribute.
Link building - Inbound Link Types Quiz Question 2: What characterizes a reciprocal link and how do current search engines evaluate it?
- It is a mutual link arrangement that no longer receives ranking credit. (correct)
- It is a one‑way link that boosts the target’s search ranking.
- It is a guest‑post link typically marked “no follow.”
- It is a comment link that generates referral traffic and ranking value.
Which statement best describes an editorial inbound link?
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Key Concepts
Link Types
Editorial link
Resource link
Guest blogging link
Reciprocal link
Blog comment link
Forum comment link
Link Attributes
NoFollow attribute
UGC attribute
Definitions
Editorial link
A naturally earned hyperlink placed by another site because it finds the linked content valuable.
Resource link
A hyperlink that points to useful, relevant content for the linking site’s audience, often one‑way or two‑way.
Guest blogging link
A backlink obtained by writing content for another website, typically marked with a “no follow” attribute.
Reciprocal link
A mutual hyperlink arrangement where two sites link to each other, now generally ignored by search‑engine ranking algorithms.
Blog comment link
A hyperlink embedded in a blog comment, usually carrying a “no follow” or “ugc” attribute and used for referral traffic.
Forum comment link
A hyperlink placed in a forum post or reply, often marked with “no follow” or “ugc” to prevent ranking credit.
NoFollow attribute
An HTML tag value that instructs search engines not to pass ranking credit through the linked URL.
UGC attribute
A link attribute indicating the hyperlink originates from user‑generated content, signaling search engines to treat it as non‑editorial.