Moz Domain Authority
MOZ
10
i
Comparative domain authority on a 1-100 logarithmic scale developed by Moz.
VERIFIED INTELLIGENCE · MOZ + SEMRUSH + WHOIS
Domain Authority Checker.
A clearer perspective on domain strength.
Explore your domain’s strength, page authority, spam indicators, and backlink profile to plan your next SEO move with confidence.
Domain Authority Checker
Designed for insights from
MOZ
◒ Semrush
WHOIS / RDAP
● Connected to live providers
Your live research report
Moz Page Authority
MOZ
21
i
Authority of the submitted page on a 1-100 scale predicting search ranking strength.
Semrush Authority Score
SEMRUSH
13
i
Semrush domain Authority Score measuring overall domain quality and organic search impact.
Total Backlinks
MOZ
51,734
i
External linking pages at domain scope pointing to this website.
Quality Backlinks
LINK QUALITY
51,409
i
External equity links passing search engine authority and trust.
% Quality Backlinks
LINK QUALITY
99%
i
Formula: External equity links / total backlinks × 100.
DoFollow Backlinks
LINK PROFILE
83%
i
Percentage of links without nofollow attributes that pass ranking signals.
NoFollow Backlinks
LINK PROFILE
17%
i
Percentage of links using nofollow, sponsored, or ugc attributes.
Spam Score
MOZ
1%
i
Percentage of sites with similar features that have been penalized or banned by Google.
Moz Trust
LEGACY METRIC
2
i
Measures distance from trusted seed websites such as universities and government portals.
SEO Score
SEO TOOL LIBRARY
50%
i
Composite composite technical SEO readiness score.
Domain Age
WHOIS
0Y, 25D
i
Exact years and days elapsed since the domain was first registered in official registries.
| # | Web Page | DA | PA | SS | Domain Age | Total Backlinks | History |
|---|---|---|---|---|---|---|---|
| 1 | https://-/ | 0 | 0 | 1% | - | 0 | View ↗ |
Domain Technical Records
| Target Domain | - | Resolved IP | - |
|---|---|---|---|
| Registration Date | - | Expiration Date | - |
| Nameservers | - | ||
01
Know your starting point
See domain and page authority together to gauge competitive standing.
02
Look beyond the score
Explore links, equity link percentage, and spam indicators.
03
Make the next move
Turn your research report into a focused, winning SEO plan.
What is Domain Authority (DA) and Why Does It Matter for SEO?
Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how likely a website is to rank in search engine result pages (SERPs). Scores range from 1 to 100, with higher scores corresponding to a greater ability to rank for competitive search terms.
Domain Authority is not a direct Google ranking factor and is not used by Google itself. However, because Moz’s machine learning model closely mirrors how link graph signals like PageRank impact search visibility, DA serves as an indispensable comparative benchmark for SEO professionals worldwide.
💡
Logarithmic Nature of DA:
Because DA operates on a logarithmic scale, increasing your score from 20 to 30 is significantly easier than moving from 70 to 80. Each point earned at higher levels requires exponentially stronger link equity.
Domain Authority Score Tiers: What is a Good DA Score?
A "good" DA score is relative to your specific industry competitors. Here is how authority scores are typically distributed:
| DA Range | Authority Tier | Competitive Footprint | SEO Recommendations |
|---|---|---|---|
| 1 – 20 | New / Emerging Site | Young domains building initial trust and indexation. | Target low-difficulty long-tail keywords and establish core content. |
| 21 – 40 | Growing Authority | Established niche blogs and SMB websites with steady organic traffic. | Expand to medium-competition keywords; earn topical editorial backlinks. |
| 41 – 60 | Strong Presence | Leading industry publications and prominent ecommerce platforms. | Compete for high-volume keywords; maintain link profile and audit toxicity. |
| 61 – 80 | Industry Leader | Major national news outlets, premier SaaS platforms, and authoritative hubs. | Thought leadership, PR mentions, and defending brand search share. |
| 81 – 100 | Super Authority | Global titans like Wikipedia, Google, YouTube, and major universities. | Incomparable link graph authority with instant indexation power. |
The Difference Between Domain Authority (DA) and Page Authority (PA)
| Dimension | Domain Authority (DA) | Page Authority (PA) |
|---|---|---|
| Scope | Predicts ranking strength across the entire domain and all its subpages. | Measures predictive strength of a single, specific URL. |
| Core Factors | Root referring domains, domain-wide link diversity, and overall link equity. | Direct internal and external backlinks pointing specifically to that single page. |
| Actionable Role | Benchmarking site health vs. competitors and evaluating link outreach targets. | Pinpointing which landing pages need dedicated backlink building or on-page revamps. |
Why You Should Regularly Check Your Domain Authority
Competitive Benchmarking
Analyze competitor authority to understand how many high-quality backlinks you need to outrank them.
Outreach & Guest Post Valuation
Audit potential link partners and guest blogging targets to ensure maximum ROI and authority transfer.
Long-Term SEO Progress Tracking
Validate that your content marketing and link-building campaigns are yielding compounding authority growth.
Spam Score & Penalty Prevention
Detect negative SEO link spam early and protect your domain reputation before manual or algorithmic penalties occur.
How to Increase Your Domain Authority: 5 Proven Pillars
Raising Domain Authority requires a disciplined, white-hat methodology focused on building real web trust:
01
Pillar 1: Build In-Depth Content & Topical Authority
Produce original research, comprehensive guides, and actionable assets that naturally compel other webmasters to cite and link to your work.
02
Pillar 2: Earn High-Equity DoFollow Editorial Backlinks
A handful of editorial backlinks from contextually relevant, authoritative websites outranks thousands of spam links. Focus on digital PR and broken link reclamation.
03
Pillar 3: Architect Strategic Internal Link Equity Distribution
Connect your highest-authority landing pages to fresh articles and commercial services via descriptive anchor text to distribute ranking equity throughout your site.
04
Pillar 4: Audit Toxic Backlinks and Keep Spam Score Minimal
Periodically audit your backlink profile, identify toxic or automated directories, and use Google’s Disavow Tool to keep your Moz Spam Score below 5%.
05
Pillar 5: Master Technical Performance and Mobile User Experience
Fast Core Web Vitals, HTTPS security, responsive mobile design, and clean crawl architectures ensure search engines can discover and index your authority effortlessly.
Understanding Moz Spam Score: Protecting Your Domain From Penalties
Spam Score represents the percentage of sites with similar backlink profiles that have been penalized or banned by Google. It operates across 27 algorithmic signals identified by Moz research.
1% – 5%
Low Risk (Healthy)
Optimal range representing safe, natural backlink ecosystems.
6% – 30%
Medium Risk (Monitor)
Warrants reviewing recent link additions and auditing referring root domains.
31% – 100%
High Risk (Action Required)
High probability of algorithmic suppression. Immediate link disavow recommended.
Why Choose Our Domain Authority Checker?
Blazing Fast Analysis
Optimized engine with sub-second lookups connecting directly to official Moz and Semrush APIs.
100% Free Forever
No credit card required, no forced registrations, and no restrictive daily quotas.
Comprehensive 12-Metric Suite
Integrated intelligence covering Moz DA, PA, Semrush Score, DoFollow breakdown, and RDAP age.
One-Click CSV Export
Easily export complete technical authority metrics into formatted CSV spreadsheets.
Domain Authority Frequently Asked Questions
What is Domain Authority (DA) in a nutshell?
Domain Authority is a 1 to 100 predictive score created by Moz that evaluates how well a website will rank on search engine results pages based on its backlink profile.
Is Domain Authority a direct Google ranking factor?
No, Google does not use Moz DA in its ranking algorithms. However, the signals that improve DA (such as high-quality backlinks and topical trust) directly align with Google’s core PageRank criteria.
How long does it take to increase Domain Authority?
DA growth typically takes 2 to 6 months of persistent, high-quality link acquisition and publishing. Moz refreshes its global link index roughly once every 3 to 4 weeks.
What is the difference between DoFollow and NoFollow links for DA?
DoFollow links pass PageRank and link equity, directly boosting Domain Authority. NoFollow links do not transfer ranking power directly but are vital for a natural, compliant backlink profile.
Does buying backlinks improve Domain Authority or harm the website?
Purchasing cheap link blasts from link networks often inflates Spam Score and triggers severe Google penalties. Focus instead on digital PR, broken link building, and high-value editorial citations.
What is considered a safe Spam Score?
A Spam Score between 1% and 5% is optimal and considered clean. Scores exceeding 30% require immediate auditing and disavowal of spam referring domains.
Does buying an Expired Domain give instant authority?
An expired domain with a clean history and strong topical links can accelerate growth, provided it was never abused for spam or PBN networks. Always audit it with our checker first.
Is this Domain Authority checker completely free?
Yes, this tool is 100% free with unlimited checks, no hidden subscriptions, and no credit card required.