In SEO, understanding the authority of a website is extremely important. When search engines evaluate a website, they look at many signals such as backlinks, trust, and overall domain strength. Metrics like Domain Authority (DA) and Page Authority (PA) help SEO professionals estimate how strong a website or a particular page is.
Domain Authority measures the overall strength of an entire domain, while Page Authority focuses on the ranking potential of a single page. Both scores usually range from 1 to 100, where higher scores indicate stronger authority and better chances of ranking in search engines.
For bloggers, digital marketers, and SEO professionals, checking DA and PA regularly helps in analyzing competitors, planning link-building strategies, and choosing high-quality websites for backlinks. The good news is that several powerful tools allow you to check these metrics for free.
In this article, we will explore 10 powerful free DA PA Checker tools along with their features and benefits so that you can choose the right tool for your SEO workflow.
1. Moz Link Explorer
Moz is the company that originally introduced the Domain Authority metric, making its tools one of the most trusted sources for checking website authority.
Moz Link Explorer allows users to check the DA and PA of any domain or webpage along with valuable backlink data. It provides a quick overview of a website’s link profile and helps identify opportunities for improving authority.
Key Features
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Check Domain Authority and Page Authority
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View inbound backlinks
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Analyze linking domains
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Identify top-performing pages
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Detect spam score of a domain
Why SEO Experts Use It
Because Moz created the DA metric itself, its data is considered highly reliable. Many SEO professionals use this tool to analyze competitor websites and track domain authority growth.
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2. Ahrefs Website Authority Checker
Ahrefs is one of the most powerful SEO tools in the industry. Although it does not use DA and PA specifically, it provides a similar metric called Domain Rating (DR) which measures the strength of a website’s backlink profile.
The free authority checker from Ahrefs provides a quick overview of domain strength and referring domains.
Key Features
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Check Domain Rating (DR)
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Analyze total backlinks
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See referring domains
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Overview of website authority
Why It’s Useful
Ahrefs has one of the largest backlink databases available. This makes it extremely useful for competitor analysis and link-building research.
3. SEMrush Authority Score Checker
SEMrush is a comprehensive SEO platform widely used by marketers and agencies. Its Authority Score metric evaluates a website based on backlink quality, organic traffic, and other ranking signals.
Key Features
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Authority score analysis
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Backlink overview
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Organic traffic estimation
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Competitor comparison
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SEO performance insights
Why SEO Professionals Use It
SEMrush combines multiple ranking signals instead of relying only on backlinks. This provides a more balanced view of a website’s authority and SEO strength.
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4. Small SEO Tools
Small SEO Tools offers a simple and easy-to-use DA PA checker that allows users to analyze multiple domains at once.
It is particularly useful for bloggers and beginners who want a quick way to check website authority.
Key Features
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Check DA and PA instantly
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Bulk domain analysis
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Backlink summary
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Simple interface
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Completely free to use
Why It’s Popular
This tool is beginner-friendly and requires no technical knowledge. You can quickly check the authority of several websites at the same time.
5. PrePostSEO
PrePostSEO is another popular platform offering a wide range of SEO tools. Its DA PA checker is widely used for quick domain authority analysis.
Key Features
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Bulk DA PA checking
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Spam score detection
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Backlink data overview
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Domain age information
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Easy export options
Why SEO Experts Use It
The ability to check multiple domains simultaneously makes it helpful for outreach campaigns and competitor research.
6. SEO Review Tools Authority Checker
SEO Review Tools provides a reliable authority checker that helps analyze domain strength and link profiles.
Key Features
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Domain authority check
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Page authority analysis
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Backlink overview
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Competitor comparison
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SEO insights
Why It’s Useful
This tool offers additional SEO insights that help marketers understand how authority metrics impact search rankings.
Also Read: Top 10 FREE AI SEO Tools You Should Know
7. Website SEO Checker
Website SEO Checker provides a powerful domain authority checking tool along with several other SEO utilities.
Key Features
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Check domain authority quickly
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Analyze backlink profile
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Website SEO analysis
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Domain overview metrics
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Easy-to-understand reports
Why It’s Helpful
It provides a complete overview of a website’s SEO performance, making it useful for both beginners and experienced SEO professionals.
8. RankWatch Tool
RankWatch is a well-known SEO platform that provides various optimization tools, including a free DA PA checker.
Key Features
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Domain authority analysis
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Page authority checking
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Backlink insights
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Keyword ranking insights
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User-friendly interface
Why SEO Professionals Use It
RankWatch offers reliable authority metrics along with other useful SEO tools, making it a good option for quick domain evaluation.
9. SiteChecker Authority Checker
SiteChecker provides a detailed domain authority checking tool that helps analyze the SEO strength of websites.
Key Features
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Domain authority check
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Page authority metrics
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Backlink analysis
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Website SEO audit
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Competitor research tools
Why It’s Useful
SiteChecker combines authority metrics with SEO auditing features, helping users identify technical SEO issues that may affect rankings.
10. DupliChecker DA PA Checker
DupliChecker is widely known for its plagiarism checker, but it also offers several SEO tools including a free DA PA checker.
Key Features
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Domain authority checking
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Page authority analysis
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Multiple domain checking
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Quick results
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Simple and lightweight interface
Why It’s Popular
It is fast, easy to use, and requires no login, making it convenient for quick authority checks.
How SEO Tools Help in SEO
DA PA checker tools play an important role in SEO strategy. They help digital marketers evaluate websites before building backlinks or partnerships.
Here are some ways these tools help:
Competitor Analysis
You can analyze the authority of competitor websites and understand why they rank higher.
Backlink Strategy
These tools help you identify high-authority websites for guest posting and link-building.
Website Performance Tracking
Regularly checking your domain authority helps track your SEO progress over time.
Better Outreach Campaigns
When building backlinks, choosing websites with higher authority improves the effectiveness of your link-building efforts.
Tips to Improve Domain Authority
Checking DA and PA is only the first step. Improving these metrics requires consistent SEO efforts.
Build High-Quality Backlinks
Links from authoritative websites increase your domain credibility.
Create Valuable Content
High-quality content attracts natural backlinks and improves website authority.
Improve Internal Linking
Strong internal linking helps distribute authority across your pages.
Remove Toxic Backlinks
Low-quality backlinks can reduce your authority score, so regular backlink audits are important.
Focus on Technical SEO
Optimizing site speed, mobile usability, and crawlability improves overall SEO performance.
Final Thoughts
Domain Authority and Page Authority are valuable indicators that help SEO professionals evaluate the strength of a website. While they are not official ranking factors used by search engines, they provide useful insights into how competitive a website might be in search results.
The 10 free DA PA checker tools mentioned above make it easier for bloggers, marketers, and SEO experts to analyze website authority, research competitors, and improve their link-building strategies.
By using these tools regularly and focusing on high-quality content, strong backlinks, and proper SEO optimization, you can gradually increase your website’s authority and improve your search engine rankings.
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