The Domain Authority Checker by MasterWebTool helps you instantly check a website’s Domain Authority (DA), Page Authority (PA), Spam Score, and overall SEO strength. This tool is perfect for SEO experts, bloggers, marketers, and business owners who want to measure their website’s ranking potential on Google.
🔎 Domain Authority Checker (Estimated)
Enter domain or URL to get an estimated authority score (heuristic).
📗 How to Use the Domain Authority Checker (Free & Pro)
- Enter Domain: Type your domain name (example: masterwebtool.com).
- Click “Check Authority”: The tool will analyze DA, PA, Spam Score and link metrics.
- Wait for API Response: The checker contacts our server/API to retrieve metrics.
- View Full Results: Domain Authority (DA), Page Authority (PA), and Spam Score appear instantly.
- Export Results: Copy results or perform additional domain checks.
💡 Tip: Use HTTPS-only URLs for best analysis accuracy.
Domain Authority (DA) is a ranking metric (0–100) developed by Moz. It predicts how likely a domain is to rank on Google.
- 0–10: New or very low-authority sites
- 10–30: Growing websites
- 30–50: Moderate authority
- 50–70: High authority
- 70–100: Very high authority websites
📈 Higher DA means better ranking potential on search engines.
- 🌐 Sends your domain to a backend DA API service.
- 🧮 The API returns DA, PA, Spam Score, Backlinks, and Referring Domains.
- ⚡ The tool displays results instantly on screen.
- 🛡️ It uses server-side validation to prevent abuse and block bots.
- 📊 Accurate & real-time metrics similar to Moz data.
💡 Recommended: Check competitors’ DA for SEO strategy planning.
- ✅ Improve DA by earning high-quality backlinks.
- ✅ Publish helpful and authoritative content regularly.
- ✅ Fix broken links and technical SEO issues.
- ❌ Avoid buying spam links — this increases Spam Score.
- 🔄 Update old posts to maintain domain authority.
📘 Improve your rankings using: Keyword Density Checker, SERP Preview Tool
- ❓ Why is my DA score not loading?
API might be blocked by hosting or firewall — try again or contact support. - ⚙️ Do I need HTTPS?
Yes, for accurate and secure crawling. - 🔄 Why does DA vary?
Different tools use different algorithms. - 📄 Does Google use DA?
No — DA is a Moz metric, but useful for SEO comparison.
💬 Need help? Visit our Support Page.
💪 Use these tools together for powerful SEO optimization.
🌐 Domain Authority Checker – Analyze DA, PA & SEO Strength Instantly
The Domain Authority Checker by MasterWebTool helps you instantly check a website’s Domain Authority (DA), Page Authority (PA), Spam Score, and overall SEO strength. This tool is perfect for SEO experts, bloggers, marketers, and business owners who want to measure their website’s ranking potential on Google.
🔍 What Is Domain Authority (DA)?
Domain Authority is a ranking score (0–100) developed by Moz. It predicts how strong a website is and how well it may rank on search engines.
- 🟢 0–10: New or low-authority websites
- 🟡 10–30: Growing websites
- 🟠 30–50: Medium authority domains
- 🔵 50–70: Strong websites with good backlinks
- 🟣 70–100: Highly authoritative websites
DA is not a Google metric — but it is widely used to compare website strength and analyze competition.
📊 Why Domain Authority Matters for SEO
- 📈 Helps you understand your website’s ranking power
- 🔗 Indicates the quality of your backlink profile
- 🏆 Useful for competitor analysis and SEO planning
- 💼 Important for website valuation & sponsorship deals
- ⚠ Helps identify spammy domains (Spam Score insight)
🧠 What Does This Tool Measure?
| Metric | Meaning | Impact |
|---|---|---|
| Domain Authority (DA) | Predicts domain ranking potential | Higher DA = stronger SEO |
| Page Authority (PA) | Strength of a specific page | High PA helps page-level ranking |
| Spam Score | Identifies risky or spammy domains | Lower score = safer website |
🚀 How to Use the Domain Authority Checker
- Enter the domain name (example: masterwebtool.com).
- Click the Check Authority button.
- The tool retrieves DA, PA and Spam Score.
- Analyze backlink strength and ranking power.
- Use the insights for SEO improvement strategies.
💡 Tip: Check multiple competitor domains to analyze ranking gaps.
💎 Best Practices to Improve Domain Authority
- ✔ Build high-quality, relevant backlinks
- ✔ Publish in-depth, authoritative content
- ✔ Remove toxic backlinks to reduce spam score
- ✔ Improve website loading speed
- ✔ Strengthen internal linking structure
📘 Use this tool along with SERP Preview Tool and Keyword Density Checker for complete SEO optimization.
🧾 Frequently Asked Questions (FAQ)
1. Does Google use Domain Authority?
No — it is a third-party Moz metric. Google does not use DA.
2. Why does my DA score change?
Moz updates its index regularly, which changes DA/PA values.
3. Is a higher DA better?
Yes — strong DA indicates strong backlink authority & ranking power.
4. How often should I check DA?
Every 2–4 weeks is ideal for monitoring SEO progress.
🏁 Final Thoughts
The Domain Authority Checker Tool by MasterWebTool is an essential SEO tool for analyzing domain strength, backlinks quality, and ranking potential. Whether you are a blogger, business owner, or SEO professional, this tool helps you make data-driven decisions and outperform competitors.
Related Tools:
🔗 Keyword Density Checker |
SERP Preview Tool |
Website Speed Test