[rank_math_breadcrumb]

How to Do Backlink Gap Analysis Online Step-by-Step for 2025

Picture of Infinity Rank Team
Infinity Rank Team
Last Updated
How to Do Backlink Gap Analysis Online

Table of Contents

If you want to outpace your competitors in Google’s search results, you can’t afford to ignore your backlink profile—or theirs. But here’s a secret the top SEO agencies rarely tell you: finding new link opportunities isn’t about working harder, it’s about working smarter. That’s where backlink gap analysis comes in.

In this guide, I’ll show you exactly how to do backlink gap analysis online—the way pros do it, using proven tools and tactics.

What Is SEO Backlink Gap Analysis?

SEO backlink gap analysis is the process of comparing your website’s backlink profile with those of your competitors to find:

  • Links they have, but you don’t (potential opportunities)
  • Domains that link to multiple competitors (highly “linkable” sources in your industry)
  • Patterns and strategies that set the leaders apart

Think of it as “competitive intelligence” for your link building—giving you a blueprint for where to focus your outreach for the biggest impact.

SEO Backlink Gap Analysis

The Benefits of Backlink Gap Analysis

  • Saves time: Focuses your outreach on the right opportunities, not random lists.
  • Improves results: Targeted outreach = higher response rates.
  • Levels the playing field: If competitors earned a link, you probably can too.
  • Reveals what’s working: See which strategies (content, partnerships, directories) drive real links in your niche.

How to Do Backlink Gap Analysis Online: The Step-by-Step Playbook

You don’t need to be an SEO wizard to do this. Here’s a streamlined process anyone can follow:

1. Identify Your Top Competitors

Start by making a list of your real search competitors (not just your business rivals, but the sites ranking above you for your target keywords).

Pro tip: Google your main keywords and jot down the top 3-5 websites that consistently outrank you.

2. Choose Your Backlink Gap Tool

There are a ton of tools for backlink gap analysis. Here are some of the best:

Backlink Gap Tool

Most offer free trials or limited free searches—perfect for beginners.

3. Input Your Website and Competitors

Open your chosen tool and plug in your domain and those competitor URLs. For example, in SEMrush’s Backlink Gap Tool, you’ll see fields for your site and up to four competitors. Easy.

4. Analyse the Backlink Gap Results

The tool will spit out a list of domains and URLs that:

  • Link to your competitors but not to you
  • Link to multiple competitors (goldmine alert!)
  • Are high authority and relevant to your industry

Case in point: Let’s say three of your top five competitors have links from a major industry directory, but you’re missing from that list. That’s a priority opportunity.

5. Qualify and Prioritize Link Prospects

Not every gap is worth filling. Look for:

  • High Domain Authority (DA or DR) sites
  • Relevant sites in your niche
  • Sites linking to multiple competitors
  • Non-spammy, editorial links (avoid obvious link farms or low-quality directories)

Example: If a respected industry blog links to all your rivals, but not you, that’s a perfect outreach target.

6. Build a Backlink Gap Outreach List

Build a Backlink Gap Outreach List

Create a spreadsheet with the best opportunities, including:

  • The linking domain
  • The competitor’s URL they linked to
  • Contact info or outreach form links
  • Notes on the type of content (guest post, mention, directory, etc.)

Pro tip: Many tools let you export this list directly. Huge time-saver.

7. Reach Out and Close the Gap

Now it’s time to act. Reach out with personalized pitches. Reference the competitor’s content or explain why your page adds even more value. If it’s a directory or roundup, request inclusion.

Reach Out and Close the Gap

Backlink Gap Analysis Strategy: Advanced Tips

Ready to take your backlink gap strategy up a notch? Here’s how the pros get the most from their analysis:

  • Check regularly: Make gap analysis a quarterly habit. Competitors are always building new links.
  • Target “multiple linkers”: Domains that link to several competitors are more likely to link to you too.
  • Don’t ignore “smaller” gaps: Even one or two missed links on relevant sites can make a difference, especially in niche markets.
  • Reverse-engineer winning content: If a competitor’s guide or tool is attracting tons of links, consider building a better version (a “Skyscraper” approach).
  • Track your progress: Use your backlink analysis report as a benchmark. Celebrate each closed gap!
Backlink Gap Analysis Strategy

Final Thoughts: Close the Gap, Grow Your SEO

Backlink gap analysis is one of the highest-ROI link-building tactics in SEO. By finding and closing the gaps between you and your top competitors, you’re not just catching up—you’re setting your site up for long-term success.

The best part? This strategy works whether you’re a solo entrepreneur or a big business. If you’re ready to get started, pick one of the tools above and run your first backlink gap report today. And if you want a hand, feel free to reach out to the InfinityRank team or ask your questions in the comments. Happy link building!

Frequently Asked Questions (FAQ)

What’s the difference between backlink gap and backlink analysis?
Backlink gap analysis specifically finds the links your competitors have but you’re missing. Backlink analysis is broader: it looks at all your own links, for quality and issues, not just what you’re missing.

How often should I do backlink gap analysis?
At least quarterly, or whenever you notice competitors pulling ahead in rankings. The backlink landscape shifts fast—don’t let opportunities slip by.

Do I need a paid tool for backlink gap analysis?
Paid tools like Ahrefs and SEMrush make it easier and faster, but you can get started with free trials or even with free plans from Moz and others. For very small sites, you can try some manual comparison with Google Search Operators—but it’s more time-consuming.

What if my competitors are way ahead?
Don’t get discouraged. Start by targeting easy wins—sites linking to multiple competitors. As you build authority, bigger opportunities open up.

Can I automate the outreach process?
Some tools offer automated outreach, but personalized emails usually get better results. Consider semi-automation: export your prospects, then send tailored messages.

Need Custom SEO?

Join Our Newsletter

Ready to Start?

Why Wait? We Are Sooo Worth It!