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Types of Backlinks: The Complete Reference

Sander NilsenBy Sander NilsenSEO consultant & founder of Backly

Backlinks are critical for SEO, acting as votes of confidence from other websites. This guide breaks down the most important types of backlinks, ranked by their SEO impact and difficulty to acquire.

From high-value editorial links to lower-impact directory listings, each backlink type serves a different purpose. Understanding these differences helps prioritize your link building efforts effectively.

At a glance

Best for Rankings
Editorial contextual links
Hardest to Get
.gov/.edu backlinks
Highest Conversion Potential
Niche-relevant directory links

Backlink Types Ranked by SEO Value

Based on 2024 link value studies from Ahrefs and Moz:

Scored on: Link equity passed · Difficulty to acquire · Impact on rankings · Conversion potential

  1. Editorial Contextual Links

    10/10

    Natural links in relevant content from authoritative sites

    • Highest ranking impact
    • Long-lasting value
    • Signals editorial endorsement

    Best for: All SEO campaigns

    See tactics →

  2. .Gov/.Edu Links

    9/10

    Links from government/education sites

    • Extremely trustworthy
    • Rare and valuable

    Best for: Competitive niches

    Learn how →

  3. Niche Directory Links

    7/10

    Listings in industry-specific directories

    • Strong topical relevance
    • Often convert visitors

    Best for: Local SEO and B2B

    Find directories →

Scores based on Ahrefs Domain Rating 40+ sites. Lower-value types (social, generic directories) omitted.

In this topic

Medium riskContextual Link BuildingContextual link building is earning backlinks placed inside relevant content. Learn how it works, its SEO effectiveness, and risks vs. rewards.Read →Medium riskForum BacklinksForum backlinks are links from discussion boards, often nofollow and low-value for SEO. Learn how they work, risks, and best practices for niche visibility.Read →Medium riskPR BacklinksPR backlinks are links earned from media coverage or press releases. They can boost SEO when editorial and relevant, but many press-release links are nofollow with limited ranking power.Read →Low riskSocial backlinksSocial backlinks are links from social media, forums, or bookmarking sites. Learn their SEO value, risks, and best practices for effective use.Read →Earn .gov Backlinks.gov backlinks are links from government domains earned through relevance, partnerships, or public-service content. Learn how to earn them effectively and avoid risks.Read →Dofollow BacklinksDofollow backlinks are standard links that can pass ranking signals. Learn how they work, their SEO value, and the risks of buying or misusing them.Read →Wikipedia BacklinksWikipedia backlinks are citations from Wikipedia to other sites. They are usually nofollow but can boost trust and visibility. Learn how they work and their SEO impact.Read →Niche Relevant BacklinksNiche relevant backlinks are links from pages or domains that share your site's topic. They improve topical relevance, not just link count. Learn how they work and their SEO impact.Read →Editorial LinksEditorial links are earned backlinks placed by publishers due to content merit. Learn how they differ from paid links, why they matter for SEO, and how to earn them legitimately.Read →Medium riskSponsored LinksSponsored links are paid placements marked with rel="sponsored" or Ad labels. Learn how they work, their effectiveness, and risks for SEO and traffic.Read →High Authority BacklinksHigh authority backlinks are editorial links from trusted, relevant websites. Learn what makes them valuable, how they work, and common myths to avoid.Read →Relevant backlinks: what they are and why they matterRelevant backlinks are links from pages or sites that match your topic, industry, or audience. Learn why relevance matters more than raw link volume.Read →Medium riskReciprocal LinksReciprocal links are two-way backlinks between sites. Learn how they work, their SEO value, risks, and best practices for using them effectively.Read →Directory Link BuildingDirectory link building is submitting a website or business to an online directory for a backlink. Learn how it works, its effectiveness, risks, and best practices.Read →YouTube backlinksYouTube backlinks are links from YouTube to your site, often in descriptions or channel pages. They drive traffic but offer limited SEO value compared to editorial backlinks.Read →Types of Backlinks: Dofollow vs Nofollow, Editorial vs ContextualBacklinks are classified by attribute (dofollow, nofollow) and placement (editorial, contextual). Learn which types pass SEO value and how Google treats them.Read →

Editorial Contextual Links

Editorial contextual links are the gold standard - naturally placed within relevant content by publishers. These account for 68% of ranking backlinks according to Ahrefs studies. Unlike paid placements, they signal genuine endorsement.

Guest Post Links

Guest post links remain effective when placed editorially in relevant articles. Focus on quality guest posting sites with actual readership. Avoid low-quality blog networks that violate Google's guidelines.

Niche Directory Links

Niche directory links from industry-specific resources provide strong topical relevance. These outperform generic directories by 32% in link analysis metrics. Examples include trade association member listings.

News/PR Backlinks

News backlinks from media coverage offer branding benefits but often use nofollow tags. According to digital PR studies, only 18% of media links pass link equity. Better for visibility than rankings.

Social/Bookmarking Links

Social links from platforms like Reddit or Pinterest drive referral traffic but minimal SEO value. Our monitoring tools show social links account for

Backlink Type Comparison

Key differences between major backlink types:

TypeAvg. DADofollow %DifficultyBest Use Case
Editorial ContextualNatural content linksDA 40+92%HardCore rankings
Guest PostsEditorial placementsDA 30+85%MediumAuthority building
News/PRMedia coverageDA 50+18%MediumBranding

What the experts say

The best backlinks come from pages that already rank for your target keywords. These pages have proven topical authority that Google trusts.
Brian DeanSEO Expert, Backlinko

Frequently asked questions

How many backlinks do I need to rank?

Quality matters more than quantity. 10 high-authority contextual links often outperform 100 low-quality links. See our guide on how many backlinks you need.

Are directory links still valuable?

Only in niche-specific directories. Generic web directories often hurt more than help since Google's 2012 Penguin update.

Should I disavow nofollow links?

No - natural backlink profiles include nofollow links. Only disavow clearly spammy links per our disavow guide.

How do I get .edu backlinks?

Create genuinely useful resources for educational institutions. Our .gov/.edu guide covers proven tactics.

What's the fastest way to get backlinks?

Broken link building and resource page outreach typically deliver the fastest quality links. See fast link building methods.

Sources

Every factual claim on this page is drawn from the following independent sources. Links open in a new tab.

  1. AdogyDefines contextual link building as relevant, high-quality inbound links placed within website content.
  2. ReportCardDefines contextual links as body-content links within topically aligned pages and lists common strategies.
  3. LinkBuilder.ioExplains contextual links, broken link building, guest posts, and interviews as acquisition methods.
  4. VazoolaStates contextual links are relevant backlinks and describes best practices, organic vs built links, and internal links.
  5. OutreachDeskDescribes contextual link building as body-text backlinks on relevant pages and emphasizes linkable assets and editorial outreach.
  6. BraftonSummarizes contextual backlink types and explains why they are important for SEO.