How to find competitor backlinks with free and paid tools, spot the link gap, qualify prospects and win the links that matter, within Google's rules.

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In short
to find competitor backlinks, enter each competitor's domain in a backlink checker, export their referring domains, and compare them with yours to find the link gap: sites that link to several competitors but not to you. Qualify those sites (relevance, real traffic, editorial standards), look at which pages earned the links (guides, tools, studies), then create a better resource and reach out, or get listed where it makes sense. Avoid copying links that come from link farms or paid placements.
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Learning how to find competitor backlinks is the fastest way to build a list of realistic link prospects: if a site already links to three of your competitors, it covers your topic and links out. This guide shows the tools, the six steps and the traps. For the definition of a backlink, see our glossary entry on backlinks.
| Tool | What it shows | Cost |
|---|---|---|
| Sorank's free backlink analysis | Referring domains and backlinks of any domain | Free |
| Ahrefs, Semrush, Majestic, Moz | Full backlink profiles, link gap or intersect reports, history | Paid, with limited free versions |
| Google Search Console | Your own links only | Free |
| Google search operators | Pages that mention a competitor (to check for links) | Free |
Google Search Console's Links report only shows links to sites you own, so for competitors you need a third-party index. Start with the free backlink analysis tool; our ranking of backlink checkers compares the others.
Pick the three to five sites that rank for your target queries, not only your business rivals: media, comparison sites and blogs often have the links you want. See our method for SEO competitor analysis.
In a backlink checker, look at referring domains rather than raw backlinks: one site that links 200 times counts as one relationship. Export each list.
Compare the lists: keep the domains that link to at least two competitors and not to you. Paid tools do it in one report (link intersect, backlink gap); a spreadsheet works too. These are your warmest prospects.
Remove sites with no organic traffic, unrelated topics, pages full of outbound commercial links or obvious link sales. Keep sites your buyers could read. Our article on quality backlinks lists the criteria.
Sort competitors' pages by number of referring domains. You will usually find a few linkable assets: studies with data, free tools, templates, definitive guides, comparisons. That shows what your market links to.
Publish a more useful version (fresher data, a better tool, a clearer guide), then contact the authors who linked to the older resource. For directories, associations and partner pages, request a listing directly.

Tip
Search for pages that mention two competitors by name without mentioning you, for example with Google's search operators and quotes around both names. Comparison and "alternatives" pages found this way are natural places to be added.
Some links in a competitor's profile are best left alone:
A competitor ranking despite these links is not proof that they help; often the site ranks for other reasons. See toxic backlinks.
Watch out
Do not judge prospects by an authority score alone. Domain Rating and similar metrics are third-party estimates; relevance and real traffic matter more.
Follow your referring domains each month in your backlink tool and in Search Console's Links report, and compare the gap with competitors every quarter. Our guide to backlink monitoring details the routine, and referring domains explains why domains count more than raw links.
Your competitors' backlinks are a ready-made list of sites that cover your topic and link out; your job is to give them a better reason to link to you. For more prospect sources, read backlink sites and our ranking of link building tools. Sorank, SEO and GEO software that runs on autopilot, also obtains natural backlinks automatically from the sites of its 5,000+ users while publishing your content; see the Sorank plans, with a 3-day free trial.
Yes, partly. Free backlink checkers, including Sorank's backlink analysis tool and the limited free versions of large suites, show a competitor's main referring domains. Full lists, history and link gap reports usually require a paid plan.
It compares the referring domains of several competitors with yours to list the sites that link to them but not to you. Those sites already cover your topic and link out, which makes them the most likely to link to you if you offer a relevant resource.
No. Qualify each site first: relevance to your topic, real organic traffic, editorial standards and no signs of selling links. Then prioritize those that link to several competitors and where you can offer something more useful than what they already cite.
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