Looking for free online backlink checker tools? 🔍 Here’s a list of the best free backlink checkers to analyze competitor backlinks, evaluate link quality, and improve your website’s SEO ranking.

Table of Contents
What Are Backlinks & Why Should You Check Them?
Backlinks are the foundation of a strong SEO strategy, playing a crucial role in how search engines evaluate and rank websites. If you’re serious about growing your online presence, you need to understand backlinks and how they impact your site’s authority.
What Are Backlinks?
Backlinks, also known as inbound links or external links, are links from one website to another. Think of them as “votes of confidence” from other sites. When a high-quality website links to yours, search engines perceive your content as valuable and trustworthy.
For example, if Forbes or Moz links to your article, Google sees that as an endorsement, improving your chances of ranking higher. However, not all backlinks are beneficial. Some links—especially from spammy or irrelevant websites—can hurt your SEO rather than help it.
Why Are Backlinks Important for SEO?
Google and other search engines use backlinks as a key ranking factor. Here’s why backlinks matter:
✅ Higher Search Rankings – Websites with more high-quality backlinks tend to rank higher in search results. Competitor backlink checker tools can help you analyze what’s working for others.
✅ Faster Indexing – Search engines discover new pages through backlinks. If your site has strong external links, Google can index your content more quickly.
✅ Referral Traffic – A well-placed backlink can send targeted traffic to your site, increasing conversions.
✅ Boosted Domain Authority – High-quality links improve your domain’s credibility. Websites with strong backlink profiles tend to rank better over time.
Why Should You Check Backlinks?
🔎 Find & Fix Bad Links – Not all backlinks help your site. Some spammy or toxic links can lead to Google penalties, so it’s essential to check backlinks online free and disavow harmful ones.
📊 Analyze Competitor Backlinks – With a competitor backlink checker, you can discover where your competitors are getting backlinks and replicate their strategy.
📈 Improve Your Link-Building Strategy – By using free online backlink checker tools, you can track which backlinks provide the most SEO value and focus on earning similar high-quality links.
👀 Monitor Your Backlink Growth – If you’re investing in SEO link-building, it’s essential to track progress over time with the right free SEO tools for backlinks.
In the next section, we’ll dive into the key factors to consider when choosing the best backlink checker tools, helping you pick the right tool for your SEO needs.
Key Factors to Consider When Choosing a Free Backlink Checker
With numerous free online backlink checker tools available, it’s essential to choose one that aligns with your SEO needs. Whether you’re an SEO professional, website owner, or digital marketer, selecting the right tool can make a significant impact on your backlink analysis and strategy.
Essential Features of a Backlink Checker Tool
Not all free SEO tools for backlinks offer the same level of detail and insights. Here are the key features to look for when choosing a backlink checker:
✅ Number of Backlinks Displayed – Some free tools limit the number of backlinks you can check at once. A good tool should show a comprehensive backlink profile without major restrictions.
✅ Dofollow vs. Nofollow Classification – Dofollow links pass link equity and help your SEO, while nofollow links don’t. The best Google backlink checker free tools should allow you to filter and analyze these link types.
✅ Competitor Analysis – A competitor backlink checker helps you discover where competitors are getting their backlinks, giving you opportunities to replicate or outrank them.
✅ Anchor Text Analysis – Checking anchor text distribution helps you ensure a natural link profile, avoiding penalties for over-optimized or spammy anchor text.
✅ Referring Domains & IPs – A strong backlink profile includes diverse referring domains instead of multiple links from the same site. Some tools even display IP diversity, which is crucial for detecting PBN (Private Blog Network) links.
✅ Spam Score or Toxic Links Detection – Some backlinks can be harmful. Tools like Ahrefs, SEMrush, or SE Ranking offer a spam score to help you identify risky links.
✅ Historical Data & Backlink Growth Tracking – Monitoring how your backlinks grow or decline over time can help you measure the impact of your SEO efforts.
Which Tool is Best for You?
Different professionals have different needs. Here’s how to choose the best free backlink checker tool based on your role:
👨💻 SEO Professionals
- Need a detailed competitor backlink checker with advanced analytics.
- Prefer tools that offer bulk analysis and export features for reporting.
- Best tools: Ahrefs Backlink Checker (free version), SEMrush Backlink Analytics, SE Ranking Free Backlink Checker.
🌐 Website Owners & Bloggers
- Focus on checking backlinks online free without needing complex reports.
- Need to monitor dofollow/nofollow links and referral sources.
- Best tools: SE Ranking, Google Search Console, Ubersuggest.
📊 Digital Marketers
- Need insights into referral traffic, brand mentions, and link-building potential.
- Require a Google backlink checker free to monitor brand authority.
- Best tools: SimilarWeb, Google Analytics, Moz Link Explorer.
By choosing the right free SEO tools for backlinks, you can improve your SEO strategy, uncover competitor link-building opportunities, and protect your website from harmful backlinks.
🚀 Next, we’ll explore the best free online backlink checker tools and how they compare in terms of features, accuracy, and ease of use.
Top 5+ Free Online Backlink Checker Tools
Choosing the right free online backlink checker tools can significantly impact your SEO strategy, helping you analyze your link profile, monitor competitors, and identify opportunities for growth. Below, we’ve curated the top free backlink checkers that provide valuable insights without requiring a paid subscription.
Ahrefs Free Backlink Checker 🏆

Best for: SEO professionals & competitor analysis
Ahrefs Free Backlink Checker is one of the most powerful free SEO tools for backlinks, offering limited yet valuable insights from Ahrefs’ industry-leading backlink database.
Key Features:
✅ Displays the top 100 backlinks pointing to any website or page
✅ Shows dofollow/nofollow classification for each link
✅ Provides referring domains & anchor text analysis
✅ Displays Domain Rating (DR) & URL Rating (UR)
✅ Competitor backlink checker capabilities
👉 How to Use It:
Simply enter a domain or URL in the Ahrefs Free Backlink Checker, and you’ll get a quick snapshot of its backlink profile.
🔗 Try It: Ahrefs Free Backlink Checker
SEMrush Backlink Analytics (Free Version)

Best for: Website owners & digital marketers
SEMrush Backlink Analytics offers a free version that allows users to perform a limited number of backlink checks per day. It’s perfect for checking backlinks online free with in-depth metrics.
Key Features:
✅ Shows total backlinks & referring domains
✅ Highlights top anchor texts & toxic links
✅ Provides historical data on backlink trends
✅ Includes a Google backlink checker free integration
👉 How to Use It:
Sign up for a free SEMrush account and access limited backlink reports.
🔗 Try It: SEMrush Backlink Analytics
SE Ranking Backlink Checker 🔥

Best for: Small business owners & beginner SEO users
SE Ranking offers a user-friendly free backlink checker with reliable data on backlinks, referring domains, and anchor texts.
Key Features:
✅ Unlimited backlink checks with a free trial
✅ Identifies lost & newly gained backlinks
✅ Displays backlink types (dofollow/nofollow, text/image links)
✅ Useful for competitor backlink checker analysis
👉 How to Use It:
Register for SE Ranking’s free trial and start analyzing backlinks instantly.
🔗 Try It: SE Ranking Backlink Checker
Ubersuggest Backlink Checker

Best for: Beginner SEOs & bloggers
Ubersuggest, created by Neil Patel, is a free SEO tool for backlinks that helps users analyze their link profile and discover new backlink opportunities.
Key Features:
✅ Provides top backlinks for any domain
✅ Shows Domain Authority (DA) & Page Authority (PA)
✅ Allows users to track competitor backlinks
✅ Simple and beginner-friendly interface
👉 How to Use It:
Enter your website URL in Ubersuggest to get a quick backlink overview.
🔗 Try It: Ubersuggest Backlink Checker
Moz Link Explorer

Best for: Finding link-building opportunities
Moz Link Explorer is a powerful free backlink checker that offers limited daily reports but provides deep insights into backlink profiles.
Key Features:
✅ Displays domain authority & spam score
✅ Shows the most valuable backlinks
✅ Helps discover link-building prospects
✅ Includes anchor text analysis
👉 How to Use It:
Create a free Moz account to access limited backlink reports daily.
🔗 Try It: Moz Link Explorer
Google Search Console (Free from Google)

Best for: Tracking your own website’s backlinks
Google Search Console is 100% free and provides official Google backlink data for your website. While it doesn’t allow you to check competitor backlinks, it’s the best Google backlink checker free tool for monitoring your own link profile.
Key Features:
✅ Displays all backlinks Google recognizes for your site
✅ Shows which websites link to your content
✅ Identifies top-linked pages & anchor texts
✅ Helps detect spammy or low-quality backlinks
👉 How to Use It:
Sign in to Google Search Console and navigate to “Links” to access your website’s backlink data.
🔗 Try It: Google Search Console
Final Thoughts: Which Free Backlink Checker is Best for You?
Tool | Best For | Key Features |
---|---|---|
Ahrefs Free Backlink Checker | SEO professionals | Top 100 backlinks, DR & UR, dofollow/nofollow classification |
SEMrush Backlink Analytics | Website owners & digital marketers | Backlink history, toxic link detection, anchor text analysis |
SE Ranking Backlink Checker | Small businesses & beginners | Unlimited free checks, competitor analysis, lost/gained links |
Ubersuggest Backlink Checker | Beginner SEOs & bloggers | Simple UI, domain authority, free daily searches |
Moz Link Explorer | Link-building experts | Spam score detection, link authority tracking |
Google Search Console | Website owners tracking their own links | Official Google data, backlink insights |
Each of these free online backlink checker tools has its strengths, depending on your SEO needs.
- Want deep competitor analysis? → Go for Ahrefs or SEMrush.
- Need a user-friendly tool for quick checks? → Try SE Ranking or Ubersuggest.
- Looking for Google’s official backlink data? → Google Search Console is your best bet.
🚀 Next, we’ll explore how to use these tools effectively to analyze backlinks, track your SEO progress, and optimize your website’s authority.
Comparison of Free Backlink Checker Tools
When selecting the best free online backlink checker tools, it’s essential to compare their features, data limitations, and usability. Below is a detailed comparison of the top backlink checkers, highlighting what each tool offers and which one provides the most backlink data for free.
Feature Comparison Table
Tool | Backlink Data Limit (Free) | Dofollow/Nofollow | Anchor Text Analysis | Competitor Backlink Checker | Historical Data | Spam Score & Toxic Links |
---|---|---|---|---|---|---|
Ahrefs Free Backlink Checker | 100 backlinks per domain | ✅ Yes | ✅ Yes | ✅ Yes | ❌ No | ❌ No |
SEMrush Backlink Analytics | Limited daily reports | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes (limited) | ✅ Yes |
SE Ranking Backlink Checker | Unlimited with free trial | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ❌ No |
Ubersuggest Backlink Checker | Few daily searches | ✅ Yes | ✅ Yes | ✅ Yes | ❌ No | ❌ No |
Moz Link Explorer | 10 link queries/month | ✅ Yes | ✅ Yes | ✅ Yes | ❌ No | ✅ Yes |
Google Search Console | All backlinks for your own site | ✅ Yes | ✅ Yes | ❌ No | ✅ Yes | ❌ |
Pros & Cons of Each Tool
1. Ahrefs Free Backlink Checker
✅ Pros:
✔ Industry-leading backlink database
✔ Shows top 100 backlinks for any domain
✔ Provides URL Rating (UR) & Domain Rating (DR)
❌ Cons:
✘ Limited data in the free version
✘ No historical data tracking
🔎 Best for: SEO professionals analyzing competitors
SEMrush Backlink Analytics (Free Version)
✅ Pros:
✔ Provides detailed backlink reports
✔ Includes spam score & toxic link detection
✔ Historical backlink trends available
❌ Cons:
✘ Free users get limited daily reports
✘ Requires an account for access
🔎 Best for: Digital marketers & website owners
SE Ranking Backlink Checker
✅ Pros:
✔ Unlimited checks with free trial
✔ Tracks lost & gained backlinks
✔ Simple interface
❌ Cons:
✘ Requires free trial signup
✘ No spam score detection
🔎 Best for: Small business owners & beginners
Ubersuggest Backlink Checker
✅ Pros:
✔ Free for a few daily searches
✔ Simple & beginner-friendly
✔ Shows domain authority (DA)
❌ Cons:
✘ Data limitations in the free version
✘ No historical backlink tracking
🔎 Best for: New bloggers & small websites
Moz Link Explorer
✅ Pros:
✔ Shows spam score & domain authority
✔ Provides top backlinks & anchor texts
✔ Good for link-building analysis
❌ Cons:
✘ Limited to 10 searches per month
✘ No historical data tracking
🔎 Best for: Link-building experts
Google Search Console (Free from Google)
✅ Pros:
✔ 100% free & provides official Google data
✔ Displays all backlinks recognized by Google
✔ Helps track link-building efforts
❌ Cons:
✘ Can only check backlinks for your own site
✘ No competitor backlink analysis
🔎 Best for: Website owners tracking their own backlinks
Which Tool Provides the Most Free Backlink Data?
🔹 If you need the most backlinks for free, Google Search Console is your best bet (but only for your own site).
🔹 For competitor analysis, Ahrefs Free Backlink Checker provides the most backlinks per domain (100 free links).
🔹 If you want detailed backlink data with spam scores, SEMrush and Moz Link Explorer are solid choices.
🔹 SE Ranking is ideal for those who want unlimited backlink checks during a free trial.
Final Recommendation
📌 For competitor research → Ahrefs Free Backlink Checker
📌 For full backlink tracking of your own site → Google Search Console
📌 For SEO professionals who need spam detection → SEMrush or Moz Link Explorer
📌 For beginners who want an easy-to-use tool → Ubersuggest or SE Ranking
🚀 Next, we’ll explore how to use these tools effectively to improve your SEO strategy!
How to Analyze Competitor Backlinks Effectively
One of the most effective SEO strategies is analyzing your competitor’s backlinks to find high-quality link opportunities. This section will guide you through the process, step by step, using free online backlink checker tools.
Step 1: Identify Your SEO Competitors
Before analyzing backlinks, you need to identify who your real competitors are in search rankings. These could be:
🔹 Websites ranking on the first page for your target keywords
🔹 Competitors with similar content & audience
🔹 Sites consistently outranking you
💡 Tip: Use Google search or tools like Ahrefs, SEMrush, or Ubersuggest to find domains ranking for your main keywords.
Step 2: Use a Free Backlink Checker Tool
Now, pick a tool to check where your competitors are getting backlinks from. Some of the best free tools for this are:
✅ Ahrefs Free Backlink Checker – Shows top 100 backlinks
✅ SEMrush Backlink Analytics – Includes spam score & toxic links
✅ Moz Link Explorer – Helps detect authority links
✅ Ubersuggest Backlink Checker – Good for small businesses
Step 3: Analyze Competitor Backlinks
Once you enter a competitor’s domain into a backlink checker, focus on:
🔍 Authority of Linking Sites
- Look at Domain Rating (DR) or Domain Authority (DA)
- Higher DA/DR = More valuable backlinks
🔍 Dofollow vs. Nofollow Links
- Dofollow links pass SEO value (best for rankings)
- Nofollow links don’t pass SEO value, but still drive traffic
🔍 Anchor Text Analysis
- The anchor text used in backlinks should be relevant to SEO goals
- Avoid spammy or over-optimized anchor text
🔍 New & Lost Backlinks
- Find recent backlinks competitors gained (opportunities to replicate)
- Check lost backlinks to see why they lost them
Step 4: Find High-Quality Backlink Opportunities
Now that you have competitor backlink data, replicate their best links by:
✔ Guest Posting – Write for authoritative blogs linking to competitors
✔ Broken Link Building – Find dead links & suggest your content as a replacement
✔ Resource Page Links – Get listed on industry “best tools” or “resources” pages
✔ HARO (Help a Reporter Out) – Get featured in news articles
💡 Pro Tip: Prioritize backlinks from sites with high authority (DA 50+), relevant content, and low spam scores.
Step 5: Monitor & Improve Your Backlink Profile
🔹 Use Google Search Console to track your site’s backlinks
🔹 Set up alerts in tools like Ahrefs or SEMrush to get notified of new backlinks
🔹 Continuously improve your link-building strategy by replicating competitor success
🚀 By consistently analyzing and replicating high-quality competitor backlinks, you can significantly boost your SEO rankings and organic traffic!
Next: Common Mistakes to Avoid in Backlink Analysis
🔜 Learn about toxic backlinks, unnatural anchor text, and other pitfalls to steer clear of!
Common Mistakes to Avoid in Backlink Analysis
Analyzing backlinks is crucial for improving your SEO, but many website owners, SEO professionals, and digital marketers make critical mistakes that can harm their rankings. Here are the biggest pitfalls to avoid when using a free online backlink checker tool to analyze your link profile.
Ignoring Toxic Backlinks ☠️
Not all backlinks are good! Low-quality, spammy, or toxic links can trigger Google penalties and hurt your rankings.
🔴 What are toxic backlinks?
- Links from PBNs (Private Blog Networks) or spammy directories
- Links from irrelevant, low-authority websites
- Sitewide links from footer/sidebar of low-quality sites
- Backlinks with irrelevant or over-optimized anchor text
✅ How to fix it?
- Use Google Search Console, Ahrefs, or SEMrush to check for toxic links
- Disavow spammy backlinks using Google’s Disavow Tool
💡 Pro Tip: Focus on natural backlinks from authoritative, niche-relevant websites.
Overlooking NoFollow vs. DoFollow Links 🔗
Many SEO beginners assume all backlinks help rankings, but that’s not true.
✔ DoFollow links pass SEO value (boost rankings)
❌ NoFollow links don’t pass direct ranking value but can bring traffic & credibility
✅ How to use this properly?
- Aim for a healthy mix of DoFollow & NoFollow links
- Prioritize high-authority DoFollow backlinks for SEO impact
- Don’t ignore NoFollow links from major sites (Forbes, Wikipedia, Medium)—they still bring referral traffic
Using Unnatural or Over-Optimized Anchor Text 🚨
Google’s Penguin update targets websites with manipulative anchor text strategies.
🔴 What NOT to do:
❌ Stuffing exact-match keywords in anchor text (e.g., “best backlink checker tools free”)
❌ Repeating the same anchor text across multiple backlinks
❌ Getting irrelevant anchor text (e.g., random words or generic “click here” links)
✅ Best Practices:
- Maintain a natural anchor text profile
- Use branded anchors (“VizoReview.com recommends…”)
- Mix generic & keyword-rich anchors naturally
💡 Example of a healthy anchor text mix:
✅ Branded: “Read more on VizoReview.com”
✅ Partial match: “Check out this backlink checker”
✅ Generic: “Click here to see the tool”
Not Checking for Lost or Broken Backlinks 🔍
Losing high-quality backlinks can hurt rankings, but many people fail to monitor lost links.
🚨 Why backlinks disappear:
- The linking page is deleted (404 error)
- The site owner removed your link
- The site changed content or ownership
✅ How to fix lost backlinks?
- Use Ahrefs, SEMrush, or Google Search Console to track lost links
- If a high-quality link is removed, reach out to the site owner and ask if they can restore it
- Find new opportunities to replace lost links through guest posting or digital PR
Focusing on Quantity Over Quality 📊
Many SEOs think more backlinks = better rankings, but link quality matters more than quantity.
🔴 Bad backlink strategy:
- Getting hundreds of low-quality links from forums or blog comments
- Buying cheap backlinks from Fiverr or PBNs
- Prioritizing link volume over link authority & relevance
✅ What works best?
- 1 backlink from Forbes or HubSpot is better than 100 spammy links
- Prioritize authoritative, niche-relevant websites
- Use competitor backlink analysis to get high-quality links from trusted sources
Final Thoughts: How to Avoid These SEO Mistakes 🚀
✔ Regularly check your backlinks using free online backlink checker tools
✔ Focus on high-quality, niche-relevant backlinks
✔ Monitor & remove toxic backlinks
✔ Keep anchor text diverse & natural
✔ Track lost backlinks and recover them when possible
By avoiding these mistakes, you’ll build a stronger, more natural backlink profile that improves your SEO rankings and drives long-term traffic!
🔜 Next: Best Practices for Building High-Quality Backlinks
👉 Learn proven strategies to earn powerful backlinks the right way!
Conclusion: Which Backlink Checker Is Best for You?
Choosing the right free online backlink checker tool depends on your specific SEO needs. Whether you’re an SEO professional, digital marketer, or website owner, using the right tool will help you monitor, analyze, and improve your backlink profile effectively.
🔹 Best Free Backlink Checker Based on Your Needs:
✔ For in-depth backlink analysis & competitor research → Ahrefs Free Backlink Checker (Best for detailed insights)
✔ For all-in-one SEO & backlink tracking → SEMrush Backlink Analytics (Free Version) (Great for SEO professionals)
✔ For budget-friendly, beginner-friendly SEO insights → SE Ranking Backlink Checker
✔ For a mix of backlink and keyword data → Ubersuggest Backlink Checker
✔ For link authority & spam score analysis → Moz Link Explorer
✔ For checking backlinks directly from Google → Google Search Console (Best for website owners)
🚀 SEO Strategies to Increase Website Traffic Through Backlinks:
Now that you have the right tools, here’s how to boost your backlink profile and drive organic traffic:
🔹 Monitor and remove toxic backlinks regularly using Google Search Console or Ahrefs
🔹 Analyze competitor backlinks and get links from similar high-authority websites
🔹 Leverage guest posting on niche-relevant sites to gain high-quality backlinks
🔹 Earn editorial backlinks through high-value content and digital PR
🔹 Use broken link building to replace outdated links with your content
✅ Final Thought:
No single free backlink checker tool is perfect, so use a combination of these tools to get the most accurate backlink data. Focus on quality over quantity when building backlinks, and keep optimizing your strategy to stay ahead in SEO rankings.
📌 Ready to take your backlink strategy to the next level? Start using the best free backlink checker today! 🚀
FAQs: Free Online Backlink Checker Tools
-
What is the best free backlink checker tool?
The best free online backlink checker tools depend on your needs:
Ahrefs Free Backlink Checker – Best for in-depth analysis
SEMrush Free Version – Best for all-in-one SEO research
Google Search Console – Best for website owners checking their own backlinks -
Can I check my competitor’s backlinks for free?
Yes! Tools like Ahrefs Free Backlink Checker, Ubersuggest, and Moz Link Explorer allow you to check a limited number of competitor backlinks for free. For unlimited access, you may need a paid subscription.
-
How accurate are free backlink checkers?
Free tools provide a limited dataset compared to their paid versions. However, they are still useful for basic backlink analysis, competitor research, and monitoring link-building efforts.
-
How do I remove toxic backlinks?
You can:
Identify toxic links using Google Search Console or Ahrefs.
Contact website owners and request link removal.
Disavow harmful backlinks using Google’s Disavow Tool to prevent ranking penalties. -
How often should I check my backlinks?
SEO professionals recommend checking backlinks monthly to monitor new links, lost links, and any potentially harmful backlinks that could affect your rankings.
-
Does Google have a free backlink checker?
Yes! Google Search Console is a free tool from Google that allows you to view all backlinks pointing to your site. However, it doesn’t provide competitor backlink analysis.
-
Can I increase backlinks using free backlink checker tools?
While these tools don’t directly build backlinks, they help identify high-quality link opportunities by analyzing competitors and finding authoritative sites that link to similar content.
-
What’s the difference between dofollow and nofollow backlinks?
Dofollow backlinks pass SEO value (link juice) and help improve rankings.
Nofollow backlinks don’t pass SEO value but can still drive referral traffic. -
How do I use free backlink checkers to improve my SEO?
✅ Monitor your backlinks to ensure high-quality links.
✅ Analyze competitors’ backlinks to find link-building opportunities.
✅ Identify and remove toxic backlinks to avoid penalties.
✅ Track lost backlinks and reclaim them by reaching out to website owners. -
Are there any limitations with free backlink checker tools?
Yes, most free tools come with limitations, such as:
A restricted number of backlinks displayed (e.g., top 100 links only)
Limited access to historical data
No advanced filtering or export options (found in premium versions)
For serious backlink analysis, upgrading to a paid backlink checker like Ahrefs, SEMrush, or SE Ranking can provide full access to your backlink profile and competitor insights.
📌 Final Tip: Use multiple free SEO tools for backlinks to get the most comprehensive data and improve your SEO strategy! 🚀