I Tested the 5 Best Free Domain Authority Checker Tools in 2026

Would you like to check your domain’s authority?

Find the best tools to check the authority of any website domain, based on the quality and quantity of its backlink profile.

Checking your DA score allows you to identify ways to improve your website’s visibility and credibility on search platforms.

It’s easy to check and lets you measure your site’s ranking strength (on a scale of 1–100) compared to your competitors’.

This helps you to identify weaknesses in your backlink profile and content strategy.

What is Domain Authority?

Domain Authority (DA) is an SEO concept that refers to the ‘strength’ of a given website’s domain name.

The term ‘website authority’ is sometimes used to refer to the Domain Authority (DA).

When we talk about domain authority, we’re referring to an SEO metric that applies to a specific website.

I tested the five best (and underrated) domain authority checkers myself to improve my search presence.

5 DA Checkers to Try for Free

Here are the top five website authority checker tools to analyze your domain authority for search engine optimization.

1. SE Ranking DA Checker

SE Ranking is a trusted AI SEO tool that provides a free website authority checker, accurate data, actionable insights, and automated reports.

It offers powerful SEO tools for simple execution. I used SE Ranking’s domain trust score to evaluate my site’s authority.

How to check your domain score for free?

A step-by-step guide to check your domain authority score with SE Ranking.

  1. Visit this link: https://seranking.com/domain-trust-checker.html?
  2. Enter your website URL (e.g., aiso.blog)
  3. Click on the ‘Check authority’ button.
  4. This free tool will fetch and analyse your site’s backlinks and provide a report.

You can use SE Ranking’s free checker to check Domain Authority for any site.

View Domain Trust (DT) and over 15 backlink metrics to help you benchmark and improve your rankings.

Here’s an example: For My Website – AISO Blog (aiso.blog)

  • Domain trust: 9
  • Referring domains: 27
  • Backlinks: 258
  • Page trust: 2
  • Dofollow/Nofollow Links: 21%/79%

Here’s a snapshot for your reference:

SE Ranking website authority checker on AISO Blog

Check Your Domain Authority Here: https://seranking.com/domain-trust-checker.html

2. FrogDR

FrogDR is a specialised SEO tool designed to automatically track a website’s Domain Rating (DR) on a daily basis.

It helps to improve domain authority by providing actionable SEO tasks and assisting users in acquiring quality backlinks.

It is marketed as a focused, ‘tiny’ tool for monitoring and enhancing site authority metrics.

How to check your domain rating for free?

A step-by-step guide to monitoring your Domain Rating with Frog DR.

  1. Visit this link: https://frogdr.com/
  2. Sign up with Google and create your free account. With a free account, you can track 3 domains.
  3. Add a domain to your dashboard.
  4. Start tracking domain rating.

This tool will fetch and analyse your website’s backlinks and provide a score.

Here’s an example: For My Site – AISO Blog (aiso.blog)

FrogDR DA DR checker on AISO Blog

AISO Blog Domain Rating: 14

Check Your Domain Authority Here: https://frogdr.com/

3. Ahrefs Website Authority Checker

Ahrefs is a comprehensive SEO software suite that covers link building, keyword research, and competitor analysis.

Its Website Authority Checker (specifically the Domain Rating, or DR) measures the strength of a website based on its backlink profile.

How to check your domain authority for free?

A step-by-step guide to check the authority of your website’s domain.

  1. Visit this link: https://ahrefs.com/website-authority-checker
  2. Enter your domain. (For eg, aiso.blog, suresh.tech, bestaibrands.com)
  3. Click on the “Check Authority” button.
  4. Get the report for free.

This free tool fetches your website’s backlinks and those of external websites, providing a domain rating score.

Here’s an example: For My Site

Ahrefs Website Authority Checker on AISO Blog
  • Domain Rating: 14
  • Backlinks: 297
  • Linking Websites: 44

Check Your DA Here: https://ahrefs.com/website-authority-checker

4. Moz Free Domain Authority Checker

Use the free Moz DA & PA checker to analyse the Domain Authority (DA) of a website.

Get insights into your site’s performance, keywords, and competitor research with a single click.

Here’s an example:

Showing results for suresh.tech website. Get 3 free reports per day on the Moz free DA checker.

Moz DA PA checker on AISO Blog
  • Domain Authority: 11
  • Linking Domains: 50
  • Keywords: 2
  • Spam Score: 1%

Visit this link https://moz.com/domain-analysis and check your DA.

5. DA PA Checker

The DA PA Checker is an online SEO tool designed to quickly determine a website’s DA (domain authority) and PA (page authority) scores using the Moz grading system.

Free users can only check 3 URLs at once.

Link: https://www.dapachecker.org/

Why is website domain authority (DA) important?

The website domain authority metric helps you to:

  1. Better understanding of your website’s credibility.
  2. Comparing your ranking chances with those of your competitors.
  3. Finding your site’s ability to reach the top of the SERPs.
  4. Tracking your domain’s progress over time.
  5. Planning your off-page optimisation strategy.

The Difference Between DA & DR in SEO

Learn what the difference is between Domain Authority and Domain Rating in SEO at AISO Blog.

Website Domain Rating (DR) measures a website’s backlink strength, while Website Domain Authority (DA) predicts ranking potential based on the website’s backlink profile, content, and site traffic.

I tested some of the best free backlink checkers to find out who links to my website. Follow the link to read my post about it.

DR is best for evaluating the quality of link building, while DA is better for measuring overall SEO competitiveness against peers.

AISO Blog Comparison: Free Domain Authority Checkers

ToolMetrics ProvidedFree Usage LimitBest For
SE Ranking DA CheckerDomain Trust, Page Trust, Referring Domains, Backlink MetricsFree checks with detailed reportsBeginners and professionals who want actionable backlink insights
FrogDRDomain Rating (DR), Daily Tracking, SEO TasksFree account tracks up to 3 domainsContinuous monitoring of DR with simple setup
Ahrefs Website Authority CheckerDomain Rating, Backlinks, Linking WebsitesFree single domain checksComprehensive backlink analysis and competitor comparison
Moz Free DA CheckerDomain Authority, Page Authority, Linking Domains, Spam Score3 free reports per dayQuick DA checks with keyword and spam insights
DA PA CheckerDomain Authority, Page Authority (Moz metrics)3 URLs at onceContinuous monitoring of DR with a simple setup

Which DA Tool Should You Use?

  • For detailed backlink analysis: SE Ranking or Ahrefs
  • For daily monitoring: FrogDR
  • For quick DA checks: Moz Free DA Checker
  • For bulk checks: DA PA Checker

Frequently Asked Questions (FAQs)

1. Is Domain Authority a Google ranking factor?

No. Domain Authority is a metric developed by Moz. Google does not use DA directly in its ranking algorithm, but a higher DA often correlates with better search visibility.

2. What is a good Domain Authority score?

DA scores range from 1 to 100. A score above 40 is considered strong for small to medium websites, while scores above 60 are typical for established brands and high-authority sites.

3. How often should I check my Domain Authority?

It’s best to check your DA monthly or quarterly. This allows you to track progress, measure the impact of your SEO efforts, and adjust your strategy.

4. Can Domain Authority decrease over time?

Yes. DA can drop if you lose backlinks, if competitors gain stronger links, or if your site has technical SEO issues. Regular monitoring helps you stay ahead. You can try the AI directory sites to build good-quality links.

5. What is the difference between DA and PA?

Domain Authority (DA) measures the overall strength of a domain, while Page Authority (PA) measures the ranking potential of a single page. Both are useful for SEO analysis.

Check Your Website Domain Authority with AISO Blog

Domain Authority is a valuable metric for understanding your website’s credibility and ranking potential.

By using free tools like SE Ranking, FrogDR, Ahrefs, Moz, and DA PA Checker, you can easily track your site’s authority and benchmark against competitors.

Improving DA requires consistent effort: building high-quality backlinks, publishing authoritative content, and maintaining strong technical SEO.

Remember, DA is not a direct Google ranking factor, but it is a reliable indicator of your site’s ability to compete in search results.

Start by testing your domain with one of the free checkers today, track your progress, and use the insights to strengthen your SEO strategy.

Want to list your website DA checker on AISO Blog? Check our SEO Booster Package.

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