How we make this list: we compare pricing pages, product documentation and public user reviews. Rankite is independent; if a vendor ever pays for a featured spot, that listing is clearly labeled Partner.
Key takeaways
- Ahrefs and Semrush are the industry standards: the biggest link indexes with the most complete SEO toolkits.
- Majestic remains the link specialist: deep historical link data and trust metrics.
- Moz Pro, SE Ranking, and Serpstat offer capable backlink analysis at lower prices.
- Linkody and LinkResearchTools serve specific needs: simple monitoring and deep link audits.
- CognitiveSEO covers link analysis with a strong site-audit pairing.
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|
 Ahrefs | Complete backlink intelligence | See website | No |
 Semrush | Backlink plus full SEO suite | See website | No |
 Majestic | Deep link data specialists | See website | No |
 Moz Pro | Accessible link metrics | See website | No |
 SE Ranking | Value backlink analysis | See website | No |
 Serpstat | Affordable all-rounder | See website | No |
 Linkody | Simple link monitoring | See website | No |
 LinkResearchTools | Deep link audits | See website | No |
 CognitiveSEO | Link analysis plus audits | See website | No |
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We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
The best backlink software
Starting priceSee website
Free planNo
Ahrefs built its reputation on backlinks, and Site Explorer remains the tool SEOs open first for link analysis: referring domains, anchor text, new and lost links, and competitor link profiles, all on one of the largest and freshest link indexes. The surrounding toolkit (keywords, content, rank tracking, site audit) makes it a complete SEO platform.
Pricing is premium and lower tiers have credit limits that heavy users hit. But for backlink analysis specifically, Ahrefs's data quality and interface set the standard the industry judges others against. Most serious link builders consider it essential.
What we like- Huge frequently-updated link index
- Excellent interface
- Strong all-round SEO tools
Watch out for- Premium pricing
- Credit limits on lower tiers
Starting priceSee website
Free planNo
Semrush wraps backlink analytics in the largest SEO toolkit available: keyword research, advertising data, content tools, and a link-building module with outreach management. Teams that want one subscription covering all of SEO (not just links) find Semrush's breadth compelling. The backlink gap analysis and toxic-link audit are genuinely useful.
The link index, while large, is generally considered smaller than Ahrefs's. Pricing matches the premium positioning. But for agencies and in-house teams running complete SEO programs, Semrush's combination of backlink data with everything else justifies the cost.
What we like- Massive toolkit beyond backlinks
- Good outreach tools
- Strong reporting
Watch out for- Backlink index smaller than Ahrefs
- Premium pricing
Starting priceSee website
Free planNo
Majestic is the link specialist's tool: one of the oldest and deepest link indexes, with historic data going back years and the well-known Trust Flow and Citation Flow metrics. Link prospecting tools (Clique Hunter, Link Context) help find opportunities competitors miss. For pure link analysis depth, it holds its own against anyone.
The interface shows its age, and it is not a full SEO suite; keyword and content tools are minimal. But specialists value focus. For link audits, prospecting, and historical analysis, Majestic's depth-first approach earns its place alongside the bigger platforms.
What we like- Historic link index
- Trust Flow and Citation Flow
- Link-focused depth
Watch out for- Interface feels dated
- Narrower than full SEO suites
Starting priceSee website
Free planNo
Moz Pro's Link Explorer popularized Domain Authority, the metric everyone quotes even when they use other tools. The platform is approachable: clean interface, good educational resources, and link data sufficient for most everyday SEO work. Smaller agencies and in-house teams appreciate the gentler learning curve.
The link index is smaller than Ahrefs's or Semrush's, and sophisticated SEOs debate the metrics' precision. But accessibility matters: a tool the whole team actually uses beats a more powerful one that intimidates. For standard link analysis without the premium price, Moz Pro delivers.
What we like- Domain Authority is the industry shorthand
- Easy to learn
- Good education
Watch out for- Link index smaller than leaders
- Metrics sometimes questioned
Starting priceSee website
Free planNo
SE Ranking offers capable backlink analysis (backlink checker, gap analysis, monitoring) inside a full SEO platform at prices well below Ahrefs and Semrush. Agencies watching costs get rank tracking, site audits, and link tools in one subscription. The value proposition is the point.
The link index cannot match the leaders' coverage, and advanced link features are thinner. But for the price, the backlink functionality covers what most campaigns actually need. Budget-conscious SEOs should evaluate it before assuming the premium tools are required.
What we like- Strong value pricing
- Good backlink checker
- Full SEO toolkit
Watch out for- Link index smaller than leaders
- Fewer advanced features
Starting priceSee website
Free planNo
Serpstat packs backlink analysis, keyword research, rank tracking, and site audits into one of the most affordable platforms here. Freelancers and small agencies get real link data (referring domains, anchors, lost links) without enterprise pricing. The growth over recent years has been steady.
Data depth and freshness trail the premium tools, and the interface has quirks. But the price-to-capability ratio is strong. For solo SEOs and small shops that need legitimate backlink intelligence on a budget, Serpstat is a practical choice.
What we like- Affordable
- Backlink analysis plus full SEO tools
- Good for freelancers
Watch out for- Data depth trails leaders
- Interface quirks
Starting priceSee website
Free planNo
Linkody does one job well: monitoring your backlink profile. It tracks new and lost links, flags changes, integrates with Google Analytics and Search Console, and streamlines the disavow workflow for toxic links. The simplicity suits site owners who want link oversight without learning a full SEO platform.
It is not a prospecting or competitive analysis tool; the index and features focus on your own links. But that focus is also the appeal: affordable, understandable, and sufficient for ongoing link health monitoring. Pair it with a bigger tool for prospecting.
What we like- Simple focused monitoring
- Affordable
- Disavow workflow
Watch out for- Not a full analysis suite
- Smaller index
Starting priceSee website
Free planNo
LinkResearchTools (LRT) is the professional's choice for deep link analysis: comprehensive link audits, the Link Detox risk assessment, competitive link intelligence, and recovery workflows for penalized sites. SEO consultants handling link cleanups and sophisticated campaigns value its thoroughness.
The complexity and pricing target professionals, not casual users. Beginners will find it overwhelming. But for link risk assessment and recovery work, LRT's depth is unmatched. When a site's rankings depend on understanding its link profile completely, this is the tool specialists reach for.
What we like- Extremely thorough link audits
- Risk metrics
- Trusted by professionals
Watch out for- Complex
- Priced for professionals
Starting priceSee website
Free planNo
CognitiveSEO combines backlink analysis with content and technical auditing in one platform. The link tools cover exploration, monitoring, and anchor analysis; the visual reporting suits client-facing work. Agencies that present link data to clients appreciate the clear charts and reports.
It lacks the brand recognition and community resources of the bigger names. But the functionality is solid and the pricing is competitive. For agencies wanting link analysis integrated with site audits and client reporting, CognitiveSEO is a capable alternative to the default choices.
What we like- Good link analysis
- Strong site audit pairing
- Visual reports
Watch out for- Smaller brand
- Less community content
What backlink data actually tells you
Backlink tools report what they can crawl, and no index sees every link. Treat metrics (Domain Authority, Trust Flow, Ahrefs's DR) as relative signals, not absolute truths: useful for comparing sites, misleading as precise measurements. What matters in practice: referring domain quality and relevance, anchor text distribution (natural versus manipulated), link velocity (sudden spikes warrant investigation), and lost links (reclaim the valuable ones). The tools differ in index size and freshness, but they agree on the fundamentals. Choose based on which interface helps you act on the data, not which claims the biggest numbers. And remember that the tool only reports; the judgment about which links to pursue, which to disavow, and which to ignore remains a human decision that no dashboard can make for you.
What to check before you buy
Index freshness for your niche
Link indexes vary in coverage by region and niche. During trials, check the tools against sites you know: do they show links you know exist? Are new links discovered promptly? A tool with poor coverage of your specific market is useless regardless of its global claims.
Prospecting versus monitoring needs
Analysis (understanding link profiles), prospecting (finding new opportunities), and monitoring (tracking changes) are different jobs. Ahrefs and Semrush do all three; Linkody focuses on monitoring; Majestic excels at analysis and prospecting. Match the tool to your primary workflow.
Outreach integration
If you do active link building, check whether the tool helps with outreach: prospect lists, contact finding, email integration, and campaign tracking. Semrush's link-building tool and similar features save the tab-switching that fragments outreach workflows.
Team size and reporting
Agencies need white-label reports, multiple seats, and client-friendly dashboards. Solo SEOs need none of that. Do not pay for agency features as a freelancer, and do not try to serve clients with a tool that cannot produce professional reports.
How we chose
We selected backlink analysis tools with real link indexes and active SEO user bases in 2026, from full platforms to specialized tools. We evaluated index quality reputation, analysis features, prospecting and monitoring capabilities, and fit for different users. We excluded pure outreach tools without link data and discontinued products (including Monitor Backlinks, now folded into SEOptimer). No vendor paid for placement, and we did not run controlled index tests.
Frequently asked questions
What is the best backlink checker?
Ahrefs's Site Explorer is the industry's default answer for depth and usability, with Semrush close behind. Majestic suits link specialists. The "best" depends on budget and needs: SE Ranking and Serpstat cover the essentials for less. All of them beat free checkers for serious work.
How many backlinks do I need to rank?
There is no number; quality and relevance dominate quantity. One link from a respected site in your niche outweighs hundreds of low-quality links. Competitive analysis (comparing your link profile to ranking competitors) gives a realistic target. Focus on earning links that would matter even if search engines did not exist.
Are paid links worth the risk?
Paid links violate search engine guidelines and risk penalties, especially at scale. The entire link-audit category (LinkResearchTools, disavow workflows) exists partly because of paid-link cleanups. Sustainable link building earns links through content, relationships, and digital PR. Anything promising quick links cheaply usually creates the problems these tools then diagnose.
What is a toxic backlink?
A link from a spammy, irrelevant, or penalized site that may harm rather than help rankings. Link audits flag them based on patterns (link networks, spam anchors, irrelevant foreign sites). Not every flagged link needs disavowing; the disavow tool is for clear-cut manipulation. When in doubt, consult a specialist before disavowing.
How often should I audit my backlink profile?
Quarterly for active sites, monthly for competitive niches or sites with outreach campaigns. Watch for sudden spikes (negative SEO or spam), lost high-value links (reclaim them), and anchor text shifts. Automated monitoring (Linkody-style alerts) catches issues between deep audits.
Sources we checked (9)
- https://ahrefs.com
- https://www.semrush.com
- https://majestic.com
- https://moz.com
- https://seranking.com
- https://serpstat.com
- https://www.linkody.com
- https://www.linkresearchtools.com
- https://cognitiveseo.com
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Shihab Mia · Founder, Rankite
Shihab has spent more than a decade helping SaaS and e-commerce brands grow through search. He writes Rankite's software buying guides from pricing pages, documentation and public user reviews. More about Shihab.