Have you ever wondered why some websites show up on Google's first page every single time — while others stay buried on page 10? A big piece of that puzzle is domain authority.

Whether you are a blogger, a small business owner, or an SEO specialist, knowing your domain authority score tells you a lot about how strong your website is. And with a free domain authority checker, you can find out in seconds — no signup needed.

This guide explains everything you need to know about domain authority, page authority, spam scores, and how to actually improve your site's DA over time.

What Is Domain Authority?

Domain Authority (DA) is a number between 1 and 100 that shows how powerful a website is. The higher the number, the stronger the site. It was created by Moz, one of the most trusted names in SEO.

Think of it like a school grade. A website with a DA of 90 is like an A+ student. A site with a DA of 10 is just getting started. New websites always begin with a low score, and it goes up as you build trust and earn links from other sites.

💡 Simple explanation: Domain Authority tells you how much Google is likely to "trust" a website. More trust = better chance of ranking higher in search results. It is not an official Google metric, but it is one of the most widely used SEO scores in the industry.

Domain Authority is especially useful when you want to:

• Compare your site's strength to a competitor

• Find good websites to get backlinks from

• Track whether your SEO work is paying off

• Decide if a potential guest post site is worth your time

How to Use the Free DA Checker

Our domain authority checker is very simple to use. You do not need to create an account or download anything. Here is how it works:

1 Enter your URL(s)

Type or paste your website address into the input box. You can check up to 20 URLs at the same time — one per line.

2 Click "Submit"

Hit the submit button and our tool gets to work straight away. The check usually takes just a few seconds.

3 Read your results

You will see the Domain Authority score, Page Authority score, spam score, and the number of backlinks pointing to the site.

4 Export if you need to

Save all your results as a CSV file with one click. Great for reporting or keeping track of your progress over time.

What Do the DA Scores Mean?

DA scores are not created equal. A score of 40 might be excellent for a small niche blog, but weak for a national news website. Here is a general guide to help you understand where you stand:

⚠️ Important tip: Never compare your DA score to a completely different type of website. A local florist with DA 35 is doing great — but DA 35 would be weak for a national bank. Always compare yourself to your direct competitors.

Domain Authority vs Page Authority — What's the Difference?

These two scores are often confused, but they measure different things:

🌐 Domain Authority (DA)

Measures the overall strength of your entire website. It looks at every page and every backlink your whole domain has collected.

📄 Page Authority (PA)

Measures the strength of one single page on your website. A page can have a high PA even if the rest of the site has a low DA.

Both DA and PA run on a scale from 1 to 100. Both are calculated by Moz. When you check your domain authority, you will usually see both scores together, which gives you a fuller picture of your website's performance.

How Is Domain Authority Calculated?

Moz uses a complex formula to work out your DA score. The main things it looks at are:

The DA algorithm also looks at your site's age, internal linking structure, and content quality. Because DA is a logarithmic scale, it gets harder to improve as you go up. Getting from 20 to 30 is much easier than going from 70 to 80.

How to Improve Your Domain Authority in 2026

Growing your DA does not happen overnight — but with the right steps, you can make steady progress. Here is what actually works:

1. Build Quality Backlinks

This is the biggest single factor. Reach out to other websites in your niche and ask them to link to your content. Guest posting, digital PR, broken link building, and creating shareable content (like studies, infographics, and tools) are all proven ways to earn backlinks.

2. Create Content People Actually Want to Link To

Original research, detailed how-to guides, free tools, and expert roundups naturally attract links over time. Ask yourself: would another website want to send their readers to this page?

3. Fix Technical SEO Issues

A fast, secure (HTTPS), mobile-friendly website with a clean internal link structure builds trust. Make sure your site does not have broken links, duplicate content, or slow page speeds dragging it down.

4. Remove Toxic Backlinks

Bad links from spammy websites increase your spam score and can reduce your DA. Use Google's Disavow Tool to remove links that are hurting your profile.

5. Be Patient and Consistent

DA is a long game. Keep publishing helpful content and earning links every month. Track your progress with the DA checker every few weeks to see how you are doing.

🎯 Pro tip: Before you reach out to a website for a backlink or guest post, use the domain authority checker to see their DA score first. Aim for sites with a DA higher than your own — those links will do the most good.

DA Checker Tools Compared (2026)

There are a few popular tools for checking domain authority. Here is a quick comparison to help you choose the right one for your needs:

SmallSEOTools gives you the most complete free DA check. including bulk URLs, DA, PA, spam score, and backlink count all in one place, with no account required.

Frequently Asked Questions