Last updated on January 11th, 2026 at 07:48 pm
TLDR: Domain authority is a 1-100 score that predicts how well your website might rank in search results, functioning like a popularity score for your online presence. Created by Moz as a comparative tool, this metric helps you measure your website’s competitive strength against others in your industry. Building quality backlinks from diverse, reputable sources remains the most effective strategy to improve your score naturally over time.
Your Website’s “Popularity Score” Explained
Domain authority is essentially a general popularity score for your website. Think of it like a credit score, but instead of measuring your financial trustworthiness, it predicts how likely your website is to show up in search results.
This score runs from 1 to 100, where a brand new website starts at one and massive, established sites like Google or Wikipedia sit close to 100.
Moz, a company that makes SEO software, created this metric to help website owners estimate their site’s ranking strength. And here’s the thing that confuses many people: Google doesn’t actually use domain authority as a direct factor when deciding how to rank websites.
Search engines have their own secret recipe for rankings. DA simply provides a predictive tool that helps you measure your site’s potential and see where you stand.
And here’s what most people get wrong about this score: knowing what it doesn’t do is just as important as knowing what it does. Your DA isn’t a command that tells search engines where to place you. It’s more like a thermometer that measures your website’s health and competitive position.
You can check domain authority through various SEO tools, with Moz’s Link Explorer being the original source, though many other platforms now offer similar checks.
Why Should You Care About This Score?
The real value of your domain authority score comes from comparison, not the number itself. When you know your DA is 35 and your main competitor sits at 25, you understand you’ve got a competitive edge. And if another competitor has reached 50, you know exactly how much work lies ahead.
Tracking this metric over time also acts as a helpful health check for your marketing efforts. A DA that climbs from 20 to 30 over six months tells you that your content marketing and link-building strategies are working. Your website is gaining trust and authority in your industry. This steady progress matters more than any single number.
Your competitors’ scores help you set realistic and achievable goals too. You won’t waste time trying to compete with Amazon’s DA of 96 when you’re starting at 15. Instead, you’ll identify sites in your actual competitive range and focus on gradually overtaking them. This targeted approach makes your SEO efforts more efficient and measurable.
How is the Score Calculated? The Simple Ingredients
The calculation for domain authority relies heavily on your website’s backlink profile. Every time another website links to yours, they’re essentially casting a vote of confidence. These backlinks tell both search engines and DA algorithms that your site provides genuine value.
But the algorithm follows two main rules when evaluating these digital votes. First, quality matters far more than quantity. A single link from a highly respected source like The Canberra Times or a leading university carries more weight than 500 links from random blog directories or unknown sites. Sites with higher domain authority themselves pass more value when they link to you, creating a multiplier effect.
Second, diversity signals trust. The metric called “linking root domains” looks at how many different websites link to you. Getting 20 links from 20 completely different websites shows broader recognisation than getting 20 links all from the same source. Each new website that links to you adds another independent vote, while multiple links from the same site only count as one strong endorsement.
Your site’s overall link profile includes other factors too. Moz’s algorithm considers over 40 different elements, including the total number of links, the anchor text used, and the relevance of linking sites to your industry. But the quality and diversity of your backlinks remain the most influential components of your score.
A Practical Guide: 4 Simple Steps to Improve Your Domain Authority
So, how do you actually improve your domain authority? Let’s cut through the noise. Here are four simple, proven steps that any business can follow to start climbing those rankings.
Step 1: Build a Strong Foundation
Before chasing links from other sites, make sure your own website deserves them. Fast loading speeds, mobile-friendly design, and intuitive navigation create the foundation that makes other sites want to reference yours. Nobody links to broken, slow, or confusing websites.
Run your site through Google’s PageSpeed Insights and aim for scores above 90 on both mobile and desktop. A website that loads in under 3 seconds keeps visitors happy and signals quality to other site owners. Fix any technical issues the tool flags. This solid foundation makes your site more worthy of receiving valuable links and helps you increase domain authority naturally.
Step 2: Create “Link-Worthy” Content
The most sustainable way to increase domain authority involves publishing content so valuable that other websites can’t help but reference it. And this content needs to solve real problems for your audience.
Creating the ultimate guide on a specific topic in your field works exceptionally well. When you write an in-depth article that completely covers commercial real estate investing or email marketing automation, answering every possible question, you become the go-to resource everyone links to naturally.
Original research and data perform even better for earning links. Survey 500 professionals in your industry and publish the findings. Calculate industry-specific statistics from public data sources. Journalists and bloggers constantly search for data to support their arguments, and they’ll cite your research as the source with a link back.
Building free tools multiplies this effect. A mortgage calculator, ROI estimator, or even a simple checklist template can earn hundreds of natural backlinks over time. People repeatedly link to useful tools that help their audience solve problems.
Step 3: Promote Your Content to Earn Links
Outstanding content still needs active promotion to earn links. Guest posting on reputable industry websites remains one of the most reliable methods to build your domain authority score. Write genuinely helpful articles for other sites in your field, and include a natural link back to relevant content on your site in your author bio.
Services like Help a Reporter Out (HARO) connect you directly with journalists seeking expert quotes. Responding to relevant queries can get you quoted in major publications with a link back to your website as the source. Landing just one or two HARO placements per month can significantly boost your authority.
Building genuine relationships with other website owners creates link opportunities, too. Comment thoughtfully on their blog posts, share their content on social media, and engage with them authentically. These relationships often develop into natural link exchanges and collaboration opportunities that benefit everyone involved.
Step 4: Perform a “Link Cleanup”
Bad links can hurt your domain authority faster than good links build it up. Links from spammy sites, link farms, or completely unrelated websites send negative signals about your site’s quality to both users and algorithms.
Use tools like Google Search Console to review your backlink profile regularly. Look for patterns of low-quality links, especially from sites with spam indicators like keyword-stuffed domain names or thin content. When you find these toxic links, you can use Google’s Disavow Tool to tell search engines to ignore them when evaluating your site. This process protects your site’s reputation and helps maintain a healthy link profile.
A Word of Caution: Don’t Chase the Score
Remember that your domain authority measures progress, not success itself. Real success comes from increased traffic, more qualified leads, and growing revenue. A site with DA 40 that converts visitors into customers beats a DA 60 site that doesn’t generate business.
Services promising to boost your score by 20 points in 30 days usually employ tactics that backfire spectacularly. Google penalises sites using manipulative link schemes, and recovering from these penalties can take months or even years. These quick-fix services often use strategies that violate search engine guidelines and can destroy your organic traffic overnight.
A higher domain authority happens naturally as the result of a healthy, long-term marketing strategy focused on quality and value. Sustainable growth through genuine content and authentic relationships beats quick fixes every single time.
Yes, Moz offers limited free checks through their Link Explorer tool, and several other SEO platforms provide free DA checkers with daily limits.
Moz updates domain authority scores roughly once per month, though the exact timing can vary slightly based on their crawling schedule.
Scores between 40-50 work well for small businesses, while 50-60 represents strong authority, and anything above 60 puts you among the elite in most industries.
No, Google doesn’t use Moz’s domain authority as a ranking factor, though the same factors that improve DA often boost rankings too.
Score drops often happen when Moz updates its algorithm, when you lose important backlinks, or when competing sites gain authority faster than you.
Page Authority predicts the ranking strength of a single page, while Domain Authority measures the strength of your entire website or domain.
Need help building your website’s authority?
Think of domain authority as your scorecard for checking how you stack up against competitors. But don’t obsess over it. Focus on what actually moves the needle: creating a killer website with content that genuinely helps people.
When you consistently deliver value, other reputable sites will naturally want to link to you. And guess what? Your DA goes up without you even trying.
Not sure where to start? We’d love to help. At Otto Media, we’ve helped dozens of small and medium businesses get their message out to the people who need them most. Let’s chat about how we can do the same for you.
Book a call with us!
