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Link Building: Strategies That Work

Adrià Vidal8 min read
link buildingoff-page SEObacklinksdigital PRweb authority

Backlinks remain one of Google's top three ranking factors (alongside content and RankBrain). But the way you earn them has changed dramatically in recent years.

Link building — the practice of getting other websites to link to yours — is one of the most complex SEO disciplines. It's also one of the most misunderstood. Buying links in directories, joining link farms, or mass-exchanging links no longer works. In 2026, Google detects and penalizes these tactics with a precision that was unthinkable five years ago.

What does work: white hat strategies that generate natural, relevant, and sustainable links. This article covers the main ones.

Why Backlinks Matter

A backlink is a vote of confidence. When a website links to yours, it tells Google: "this content is valuable enough for me to recommend to my readers."

But not all votes carry equal weight:

FactorHigher impactLower impact
Domain authorityDR 70+ (media, universities)DR < 10 (new blogs)
Topical relevanceSame industry or nicheUnrelated generic site
Link placementWithin editorial contentFooter or sidebar
Link typeDofollowNofollow (though it still has value)
Anchor textNatural and variedSame exact keyword repeated
Page trafficPage with real trafficPage with no visits

A single link from an authoritative outlet (The New York Times, Forbes, TechCrunch) can have more impact than 100 links from blogs with no traffic.

Strategy 1: Quality Guest Posting

Guest posting means writing articles as a guest author on blogs and publications in your industry. In return, you include a link to your site — usually in the author bio or within the content.

How to Do It Right

  1. Identify relevant publications in your industry with real authority (DR 30+, verifiable monthly traffic).
  2. Analyze their content to understand what topics they publish and what gaps you can fill.
  3. Pitch an original topic that adds value to their audience. Not the generic post you could publish anywhere.
  4. Write genuinely high-quality content — not a 500-word article just to place a link.
  5. Include the link naturally within the content, where it genuinely adds context.

What to Avoid

  • Guest posting networks where you pay to publish on blogs with no real audience.
  • Generic articles recycled across multiple sites.
  • Over-optimized anchor text (your exact keyword every time).

Strategy 2: Broken Link Building

This technique involves finding broken links on websites in your niche and offering your content as a replacement.

Step-by-Step Process

  1. Find reference resources in your niche (guides, directories, resource pages).
  2. Analyze their outbound links with tools like Ahrefs or Check My Links (Chrome extension).
  3. Identify broken links pointing to pages that no longer exist (404 errors).
  4. Create or identify your own content that covers the same topic as the missing resource.
  5. Contact the webmaster to let them know about the broken link and suggest your content as an alternative.

Why It Works

You're doing the webmaster a favor (nobody wants broken links on their site) and giving them an immediate solution. The response rate is significantly higher than a generic cold outreach asking for links.

Typical success rate: between 5% and 15% of contacts result in a link.

Strategy 3: Digital PR

Digital PR combines traditional public relations with SEO. The goal: get media outlets, influential blogs, and industry publications to talk about you and link to your site.

Digital PR Tactics

  • Original data: publish studies, surveys, or analyses with proprietary data that journalists can cite.
  • Newsjacking: react quickly to industry news with expert analysis that adds context.
  • Press releases with an angle: not the boring corporate announcement. A surprising data point, a counterintuitive trend.
  • Media collaborations: offer yourself as an expert source for articles in your field.

Practical Example

An ecommerce company publishes a study on cart abandonment rates by industry. The study includes original data from 500 online stores. Publications like Marketing Week, Retail Dive, or Ecommerce News cite and link to it as a source.

Result: 15-30 high-authority backlinks from a single effort.

Strategy 4: HARO and Source Platforms

HARO (Help A Reporter Out) and similar platforms like Connectively, Quoted, or SourceBottle connect journalists looking for expert sources with professionals who can provide quotes and data.

How to Maximize Results

  1. Sign up as a source on HARO and similar platforms.
  2. Filter requests relevant to your expertise.
  3. Respond fast — early responses have an advantage.
  4. Provide concrete data, not generic opinions. Journalists want quotable insights with substance.
  5. Include credentials that back up your expertise.

Volume needed: to land 1-2 mentions per month, you need to respond to 15-20 requests. It's a numbers game.

Strategy 5: Linkable Content (Link Bait)

The most scalable and sustainable way to earn backlinks: create content so valuable that other sites link to it naturally.

Formats That Attract Links

FormatWhy it generates linksExample
Studies with original dataJournalists need sources"State of ecommerce 2026"
Free toolsPermanent utilityROI calculator, speed test
Definitive guidesComplete reference on a topic"The complete guide to Google Analytics 4"
InfographicsEasy to share and embedVisual summary of a study
Compiled statisticsWriters look for data to cite"50 conversion statistics for 2026"

Characteristics of Linkable Content

  • Originality: data or perspectives that don't exist elsewhere.
  • Depth: covers the topic thoroughly.
  • Visual format: easy to consume and share.
  • Regular updates: keep it current so it continues attracting links.
  • Active promotion: the best content doesn't get linked on its own. It needs initial distribution.

Strategy 6: Link and Mention Recovery

Link Reclamation

Look for mentions of your brand that don't include a link. Tools like Ahrefs Content Explorer or Google Alerts help you monitor mentions. When you find one without a link, contact the author and politely ask them to add it.

Lost Link Recovery

Monitor the backlinks you lose (Ahrefs notifies you of daily changes). If a site removes your link, investigate why:

  • Did they update the content and remove the reference? Offer updated content.
  • Was the page where your link appeared deleted? Suggest another page where it fits.
  • Was it a technical change (migration, redesign)? Let them know about the lost link.

Metrics to Measure Your Link Building

MetricWhat it measuresTool
Referring domainsNumber of unique sites linking to youAhrefs, Semrush
Domain Rating (DR)Overall authority of your domainAhrefs
Link velocityNew links per monthAhrefs
Anchor text distributionNaturalness of link textAhrefs, Semrush
Referral trafficActual visits from backlinksGoogle Analytics 4
Toxic linksProportion of low-quality linksAhrefs, Semrush

Mistakes to Avoid

  1. Buying links in cheap packages. Google detects and penalizes this.
  2. Mass link exchanges (I link to you, you link to me). Link schemes are documented in Google's guidelines.
  3. PBNs (Private Blog Networks): networks of blogs created solely to generate links. High risk of penalty.
  4. Spam comments on blogs with a link to your site. Useless and counterproductive.
  5. Obsessing over quantity while ignoring quality. A link profile with 10,000 low-quality backlinks is worse than one with 200 high-authority links.
  6. Ignoring topical relevance. A link from a cooking blog to a software website doesn't provide a topical authority signal.

Link Building and Conversion

Earning links is just the beginning. If those links drive traffic to pages that don't convert, the effort is wasted. The smartest link building directs authority to pages that are already optimized for conversion.

The intersection of off-page SEO and CRO is clear: backlinks increase visibility and organic traffic. Conversion optimization turns that traffic into customers.


Link building in 2026 requires patience, creativity, and a genuine focus on creating value. Shortcuts don't work — sustainable strategies do.

If you already have organic traffic but need to convert it better, at Boost we specialize in data-driven conversion optimization. You can also run a quick diagnostic with Scan&Boost.

— Adrià Vidal, Boost

Adrià Vidal

Adrià Vidal

CEO & Founder

Founder of Boost. Specialist in digital analytics, CRO, and artificial intelligence applied to digital business optimization.

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Link Building: Strategies That Work | Boost