Domain Authority Checker

A Domain Authority (DA) Checker is a tool that evaluates the strength and credibility of a website’s domain based on a variety of SEO metrics — most notably the Domain Authority score developed by Moz.

DA scores range from 1 to 100, with higher scores indicating a stronger likelihood of ranking well in search engine results.

⚠️ Important: Domain Authority is not a Google metric, but it’s widely used in SEO to benchmark performance, analyze backlinks, and evaluate competitor strength.

 

Why Domain Authority Matters in SEO

🔍 Core Reasons to Track Domain Authority:

• Competitor Analysis: Identify which sites are dominating your niche.
• Backlink Strategy: Target high DA sites for link building.
• Content Planning: Match your DA with realistic keyword opportunities.
• Client Reporting: Use DA as a performance indicator in SEO audits.

Experience Insight: When launching a new content strategy for a client with DA 14, we avoided competing for high-competition keywords targeted by DA 60+ domains. Instead, we focused on low-competition opportunities — and ranked within 30 days.

 

How Domain Authority Is Calculated (Moz)

Moz's Domain Authority metric uses:

• Total backlinks
• Referring domains
• Quality of linking sites
• Site structure and content
• Spam score

It’s based on a machine learning model that compares link profiles across millions of domains.

🎯 Tip: A single powerful backlink from a DA 80+ site can significantly boost your DA over time — especially if you're starting from a lower score.

 

Best Free Domain Authority Checker Tools

Here are top-rated tools that provide accurate and user-friendly DA scores:

✅ Moz Link Explorer

• Official tool by Moz
• Provides DA, Page Authority, and backlink profile
• 10 free checks/month with free account

✅ PrepostSEO Domain Authority Checker

• Check up to 10 URLs at once
• Shows DA, PA, and spam score
• Fast and free with bulk capabilities

✅ Small SEO Tools – DA Checker

• Bulk DA checker with clean interface
• Combines DA, PA, and linking domains
• No login required

✅ Ahrefs Website Authority Checker (uses Domain Rating, not DA)

• Offers Ahrefs’ proprietary Domain Rating (DR)
• Highly trusted in the SEO community
• Useful alternative for cross-checking

Interpreting Your DA Score

DA Score Range	Meaning
1–20	New or low-authority site
21–40	Growing domain, some link building success
41–60	Established authority, competitive
61–80	High trust, strong backlink profile
81–100	Major brand or highly authoritative site

Note: It’s easier to go from DA 10 to 30 than from DA 70 to 80 — the scale is logarithmic.

 

 

Common Myths About Domain Authority

Myth	Reality
Higher DA guarantees higher rankings	DA is a predictive metric, not a direct ranking factor
DA increases overnight with backlinks	DA takes time to reflect true link value
All DA checkers use the same scale	Tools like Ahrefs (DR) and SEMrush (AS) use different models

 

How to Improve Domain Authority

✅ Actionable Tips:

1. Earn backlinks from high-DA websites
2. Disavow toxic backlinks that hurt your trust profile
3. Publish valuable, link-worthy content
4. Promote your content via email, social, outreach
5. Fix technical SEO issues (crawl errors, broken links, etc.)
6. Build internal links to reinforce site structure