How to do a competitor backlink analysis

That is the whole game in two sentences, but the difference between a list of 4,000 referring domains and a campaign that actually moves rankings lives in the filtering and the qualification. This guide walks the full process the way a practitioner runs it: picking the right competitors, pulling clean data, reading the profile (not just counting links), building a prioritized gap list, and turning that list into placements. We will also cover the traps, like chasing toxic links nobody should want and misreading anchor text patterns.

Why competitor backlink analysis still works in 2026

Links remain one of Google's strongest ranking signals, and the cheapest way to find prospects that are already proven to link in your niche is to look at who links to the sites already ranking. A site that has linked to two or three of your competitors has demonstrated editorial interest in your topic. According to Ahrefs, link intersect tools work precisely because they cross-reference several competitors' profiles and surface the domains that link to multiple rivals but not to you, which are statistically far more likely to convert than cold prospects.

This is not a one-time audit. Treat it as the input to your whole acquisition program. For the bigger picture of how this fits together, start with our link building pillar, then come back here for the mechanics.

Step 1: Choose the right competitors

The most common mistake is comparing yourself to the biggest brand in the space. If you are a Series A SaaS, putting HubSpot in the intersect tool just floods you with links you will never earn. Pick three to five SERP competitors: the sites that actually rank for your target keywords, with a comparable domain profile.

• Search 5-10 of your priority keywords and note which domains rank in the top 10 repeatedly.
• Pull each candidate's Domain Rating or equivalent. Aim for a band roughly within 15-20 points of yours.
• Confirm topical overlap. A domain that ranks for your terms but serves a different intent is a poor mirror.
• Mix one or two slightly stronger sites in as a stretch target, but keep the core list realistic.

If you are in a niche where ranking pages and link sources differ from generic B2B, sharpen the selection with our guide to white hat link building for SaaS, which covers how to identify true SERP rivals rather than category leaders.

Step 2: Pull clean backlink data

You need a backlink index. The major options in 2026 are Ahrefs, Semrush, SE Ranking, Majestic and Moz; each maintains its own crawler, so coverage differs. We break down the trade-offs in our best backlink tools for 2026 roundup. Whichever you use, the workflow is the same.

1. Open the link intersect / backlink gap feature (Ahrefs Link Intersect, Semrush Backlink Gap, or SE Ranking Backlink Gap Analyzer).
2. Enter your domain plus three to five competitors. Ahrefs allows up to 10, but more than five gets noisy.
3. Critically: switch the view to referring domains, not individual backlinks. Google treats a domain as roughly one vote regardless of how many pages on it link to you.
4. Export the full list to a sheet so you can sort, filter and annotate it.

Step 3: Read the profile, do not just count it

Counting referring domains tells you almost nothing on its own. The insight comes from how a competitor earned its links. Four dimensions matter.

Referring domains vs total backlinks

A competitor with 50,000 backlinks from 300 domains has a narrow profile. One with 8,000 backlinks from 2,500 domains has far broader authority. Always normalize to referring domains before you compare anyone.

Anchor text distribution

Healthy profiles are dominated by branded and naked-URL anchors, with exact-match commercial anchors as a small minority. There is no official threshold, but a single commercial anchor repeated across a large share of referring domains is the classic sign of placed links: in Ahrefs' study of 384,614 ranking pages, the median share of exact-match anchors was zero at every position (Ahrefs). If a competitor is ranking on a profile that looks over-optimized, that is a vulnerability you can outlast, not a model to copy. Skim the anchor text glossary entry if you need the categories.

Link velocity

Link velocity is the rate a site gains referring domains over time, usually expressed per month. Comparing your net monthly velocity against a competitor benchmark tells you whether you are falling behind or pulling ahead, and it sets a realistic pace for your own campaign. A sudden, unexplained spike in a competitor's velocity often signals a paid push or a viral asset worth dissecting. See the link velocity definition for how to measure it cleanly.

Link type and placement

Sort the gap list by the kind of link: editorial mentions in articles, resource pages, digital PR pickups, directories, guest posts, broken-link replacements. Each implies a different acquisition tactic. A cluster of resource-page and broken links, for instance, points you straight at broken link building, which is one of the most repeatable white-hat tactics once you can see where rivals already sit.

Step 4: Build the prioritized gap list

Now turn the export into a ranked target list. In your sheet, score each gap domain on a few quick factors and sort descending.

1. Number of competitors linking to it (2+ is gold, 3+ is platinum).
2. Domain authority / DR, so you are spending effort on links that carry weight.
3. Relevance: is the linking page actually about your topic, or a generic listicle?
4. Linkability: does a real editorial path exist (a resource page, a roundup, an outdated stat you can update)?
5. Likely acquisition method, so similar targets can be batched into one outreach campaign.

The point of scoring is brutal triage. A 4,000-row export typically yields 100-300 genuinely worthwhile targets. Chasing the rest is how teams burn a quarter and earn nothing. If you want a head start on qualification, run candidate domains through our free link tools before committing outreach time.

Step 5: Turn the gap list into placements

A gap list is potential, not links. Conversion is where most analyses die. The good news is that warm prospects, sites already linking to competitors in your space, convert dramatically better than cold lists. For context on the baseline, Hunter measured a 4.5% average reply rate across 31 million cold emails sent in 2025 (Hunter), and a reply is not yet a link. Proven competitor linkers are the warmest prospects you have, so they should beat that average.

• Group targets by acquisition method (resource page, broken link, digital PR, guest post) and run each as its own sequence.
• Lead with why your asset is genuinely better or more current than what they linked to before.
• Personalize beyond the first name; reference the exact article and link.
• Track replies and placements in the same sheet so you can re-score what actually works.

What to ignore: the toxic-link trap

Many tools will flag a portion of any competitor's profile as "toxic" and nudge you toward a disavow file. For competitor analysis, ignore this almost entirely. Google's John Mueller has repeatedly said the company's systems discount low-quality and spam links automatically, calling routine disavow work a "billable waste of time" outside of an explicit manual action, and has even suggested the disavow tool may eventually be retired.

How often to re-run this

Backlink gaps are a moving target. Competitors earn new links, lose old ones, and shift tactics. A practical cadence: a full gap analysis quarterly, a lighter check on new and lost referring domains monthly, and an ad-hoc dive whenever a rival jumps in the SERPs. To benchmark your niche against real market rates and authority distributions, cross-reference our link pricing index and the broader data set in our link building statistics.

The short version

Pick three to five real SERP competitors, export their referring domains, and run a link intersect to find the gap. Filter to domains linking to multiple rivals but not you, qualify them on authority and relevance, and ignore the toxic-link noise. Read anchor text, velocity and link type to understand strategy, then batch the qualified targets into method-specific outreach. Re-run quarterly. Done well, it is the most reliable way to know exactly which links you are missing and exactly how to earn them.