Link Building

Competitor Backlink Analysis: A Step-by-Step Guide

Learn how to run a competitor backlink analysis to find linking domains you are missing, identify their best content strategies, and replicate their wins.

Serpverse Team— SEO Experts·March 14, 2026·10 min read

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Your competitors have already done the hard work of finding sites willing to link within your niche. A competitor backlink analysis lets you reverse-engineer their link building strategy, identify the domains linking to them but not to you, and build a targeted outreach plan based on proven opportunities.

Why Analyze Competitor Backlinks?

Building links without competitive intelligence is like navigating without a map. You might eventually reach your destination, but you will waste time pursuing low-value opportunities while missing obvious wins.

Competitor backlink analysis answers three critical questions:

1. Where are your competitors getting links that you are not?
2. What content formats and topics earn the most links in your niche?
3. Which linking domains are most accessible and valuable for your site?

The domains already linking to your competitors have demonstrated willingness to link within your vertical. They are warmer prospects than cold outreach targets, and the content they link to reveals what type of value resonates with linkers in your space.

Step 1: Identify Your True SEO Competitors

Your SEO competitors are not always your business competitors. A business competitor may dominate through paid advertising or brand recognition without ranking organically. Your SEO competitors are the sites that consistently rank for the keywords you target.

How to find them:

• Search your target keywords. Run searches for your 10-20 most important keywords and note which domains appear repeatedly in the top 10.
• Use competitor discovery tools. Ahrefs' "Competing Domains" report, Semrush's "Organic Competitors," or Sistrix's visibility index show sites with the highest keyword overlap.
• Filter for relevance. Remove sites that are not true competitors (Wikipedia, major media outlets, government sites) unless they rank specifically for commercial keywords in your niche.

Select 3-5 direct competitors for your initial analysis. Analyzing too many dilutes your focus.

Step 2: Export Backlink Data

Pull the full backlink profile for each competitor using one or more of these tools:

For each competitor, export:

• All referring domains (not individual backlinks, as this keeps the data manageable)
• Domain Rating or Domain Authority of each referring domain
• Number of linking pages per domain
• The target URLs receiving the most links
• First seen date (helps understand link velocity)

Save each export as a separate spreadsheet tab or CSV file. You will merge and compare them in the next step.

Step 3: Run a Link Gap Analysis

The link gap (also called a link intersect) reveals domains that link to your competitors but not to you. These are your highest-priority outreach targets.

Manual spreadsheet approach:

1. Combine all competitor referring domain lists into a single spreadsheet
2. Add a column for your own referring domains
3. Use VLOOKUP or conditional formatting to highlight domains present in competitor columns but absent from yours
4. Sort by domain authority to prioritize the most valuable gaps

Tool-based approach:

Both Ahrefs (Link Intersect) and Semrush (Backlink Gap) offer dedicated features. Enter your domain plus 3-5 competitors, and the tool outputs a filtered list of domains linking to competitors but not to you.

Prioritizing Link Gap Opportunities

Not every gap domain is worth pursuing. Filter your results by:

A domain linking to three of your competitors in contextual, editorial placements with DR 40+ and relevant traffic is a near-certain outreach candidate.

Step 4: Analyze Their Most-Linked Content

Understanding what content earns links for your competitors is as valuable as knowing which domains link to them.

Export the top linked pages for each competitor (Ahrefs "Best by Links" or Semrush "Indexed Pages" sorted by referring domains). Look for patterns:

Content format patterns:

• Are their top-linked pages original research with data and statistics?
• Do they have comprehensive guides or ultimate resources?
• Are free tools, templates, or calculators attracting links?
• Do infographics or visual assets earn embedded links?
• Are opinion pieces or industry commentary getting referenced?

Topic patterns:

• Which subtopics within your niche attract the most linkers?
• Are there seasonal or trending topics with link spikes?
• Do controversial or contrarian takes earn more links than consensus content?

Quality patterns:

• How long are the top-linked pieces? (word count)
• Do they include original visuals, charts, or interactive elements?
• How current is the content? Are regularly updated pieces linked more?

Document these patterns. They directly inform your content strategy for creating content that earns backlinks.

Step 5: Identify Their Link Building Tactics

By examining the types of sites linking to competitors and the context of those links, you can reverse-engineer their tactics:

Guest posting signals:

• Author bylines on external blogs with links back to the competitor
• "Contributed by" or "guest author" labels
• Author bio links at the bottom of articles

If a competitor has dozens of guest post links, you know guest posting works in your niche. You can target the same publications and similar ones. Writing guest posts that publishers love gives you an edge in acceptance rates.

Digital PR signals:

• Links from news sites, particularly with brand mentions
• Coverage of surveys, studies, or data reports the competitor published
• Multiple news outlets linking to the same piece of content

Resource page signals:

• Links from "best tools," "top resources," or "useful links" style pages
• Educational institution (.edu) resource pages
• Industry roundup posts

Relationship-based signals:

• Repeated links from the same small set of domains (partnerships, sponsorships)
• Links from event sponsors, conference pages, or podcast show notes
• Professional association and membership directories

Step 6: Build Your Outreach Plan

With gap domains identified, content patterns documented, and tactics understood, build a structured outreach plan.

The Spreadsheet Template Approach

Create a master outreach spreadsheet with these columns:

Outreach Prioritization

Divide your outreach targets into three tiers:

Tier 1 - High value, high probability. DR 40+, links to 2+ competitors, topically aligned, editorial links. These get personalized, highly researched outreach emails.

Tier 2 - Moderate value. DR 20-40, links to 1 competitor, generally relevant. These get personalized but templated outreach.

Tier 3 - Lower priority. DR 10-20, relevant but lower authority. Pursue these through scalable channels like directory submissions or community participation.

Step 7: Replicate and Improve

The most effective competitive link building strategy is not mere replication but improvement. For every competitor asset that earns links:

Create a superior version. If their guide covers 10 strategies, yours covers 20 with deeper detail. If their data is from 2024, yours uses 2026 data. If their resource is text-only, yours includes visuals and interactive elements.

Target the same linkers with a better pitch. Contact the sites linking to your competitor's content and offer your improved resource as a replacement or addition. The pitch is simple: you have created something more comprehensive, more current, or more useful on the same topic.

Fill gaps they missed. Competitor analysis often reveals subtopics or formats that no one in your niche has covered well. These blue-ocean opportunities can earn links without direct competition.

Tracking Results and Iterating

Competitor backlink analysis is not a one-time project. Set up ongoing monitoring:

• New link alerts. Configure Ahrefs or Semrush to alert you when competitors gain new backlinks from domains above a DR threshold.
• Monthly gap updates. Re-run link gap analysis monthly to catch new opportunities.
• Content performance tracking. Monitor which of your assets earn links and double down on those formats.
• Outreach success rates. Track response rates and link acquisition rates by tier, outreach angle, and content type. Optimize your approach based on data.

Tools and Budget Considerations

You do not need every tool to run effective competitor backlink analysis. Here is a practical approach based on budget:

Free tier: Google Search Console (your own links only) + free tiers of Ahrefs Webmaster Tools or Moz. Limited but usable for initial analysis.

Single tool ($99-199/month): Ahrefs or Semrush alone covers 90% of competitive analysis needs. Choose one and learn it deeply.

Multi-tool ($300+/month): Combine Ahrefs (best link index) with Semrush (best keyword integration) for the most complete picture.

Regardless of tools, the analysis framework and outreach execution are what produce results. A manual spreadsheet approach with a single tool subscription can outperform an expensive toolset with poor execution.

Connecting Analysis to Action

Competitor backlink analysis reveals where links exist in your niche. Converting that intelligence into actual backlinks requires execution through multiple channels: direct outreach, guest posting, content creation, and platform-based link building.

For efficient execution, particularly for guest posting opportunities, a marketplace like Serpverse streamlines the process of finding the right publishers who match the domain authority, niche relevance, and content standards you identified during your competitive analysis. Instead of cold-pitching publishers who may never respond, you can connect directly with site owners ready to publish quality content.

The competitive intelligence guides your strategy. Your execution channels determine how quickly you close the gap.