Domain authority

Build cumulative site-wide ranking power through quality backlinks and strong content so new pages rank faster than competitors starting from scratch.

Domain authority

Domain authority

definition

Introduction

Domain authority is a search engine metric developed by Moz that predicts how likely a website is to rank in search results. Domain authority is calculated on a scale from 1 to 100, with higher numbers indicating stronger ranking potential. A site with domain authority of 65 is likely to rank higher than a site with domain authority of 35, all else being equal.

Domain authority is calculated based on multiple ranking factors, including the number and quality of external links pointing to your domain, the age of your domain, your website's size and structure, and other SEO signals. It's important to note that domain authority is a third-party metric created by Moz, not used directly by Google's ranking algorithm, but it tends to correlate strongly with actual Google ranking ability.

How Domain Authority Works

  • Backlinks: the number and quality of external sites linking to you matter significantly
  • Link velocity: how quickly you're building new backlinks
  • Content quality: comprehensive, unique, well-researched content tends to attract links
  • Technical SEO: site speed, mobile optimisation, clean code, and proper structuring affect crawlability
  • Age and history: older domains with consistent ranking and content history have advantage

Domain authority is relative, not absolute. A domain authority of 50 is strong for a niche industry publication, weak for a Fortune 500 company. Compare your domain authority to competitors and to sites you aspire to compete with, not to abstract standards.

Why it matters

For B2B growth teams, domain authority affects your organic search traffic potential. A site with low domain authority will struggle to rank for competitive keywords, regardless of how well-written your content is. Improving domain authority expands the keywords you can realistically compete for.

Domain authority also affects your content's reach. When you publish an article on a high-authority domain, it's more likely to rank quickly and prominently. Backlinks from your domain also carry more weight, so when you link to partner sites or customers, those links provide more SEO benefit. This creates a compounding effect: as your authority grows, everything you publish has higher potential impact.

From a partnership and influencer perspective, domain authority is relevant. High-authority sites can attract partnerships and sponsorships more easily. Journalists and industry experts are more likely to cite a source with high domain authority. This compounds: higher authority attracts attention, which attracts links, which builds more authority.

How to apply it

Build domain authority through a strategic link-building programme. Rather than chasing quantity, focus on quality. A link from a relevant, high-authority site in your industry is worth far more than 100 links from irrelevant, low-authority sites. Identify sites and publications relevant to your industry and build relationships with editors and writers who might link to your content.

Create genuinely link-worthy content. The most effective way to build backlinks is to create content that's so useful, original, or comprehensive that other sites naturally want to link to it. Research reports, original data, comprehensive guides, and unique analysis are more likely to attract links than generic blog posts.

Monitor your backlink profile regularly. Use tools like Moz, Ahrefs, or SEMrush to see who's linking to you and whether you have toxic links (links from spam sites that could hurt your authority). If you find poor-quality backlinks, use Google Search Console to disavow them so Google doesn't count them against you.

Strategic content-led authority building

A B2B SaaS company started with domain authority of 25. Rather than buying links or blasting outreach requests, they focused on creating original research reports on industry trends. Each report was comprehensive and included original data. Industry publications, analysts, and competitors linked to their research. Within 18 months, their domain authority reached 45, and they were ranking for keywords they'd previously been unable to compete for.

Partnership-driven backlinks

A consulting firm built relationships with industry associations, training organisations, and conference organisers. Rather than asking for links directly, they contributed guest articles, hosted webinars, and created resources for these partners. These partners naturally linked to their content from their resource pages. This partnership approach built domain authority from 38 to 52 in two years, while also expanding their network and customer awareness.

Broken link building strategy

A marketing software company identified high-authority sites that linked to resources within their space. They found that some of these links pointed to broken pages. They created equivalent content, then reached out to the linking sites: 'I noticed you link to this page, which now returns a 404. I've created a better, updated resource on the same topic that might be more useful.' Many sites updated their links, building high-quality backlinks and improving domain authority from 42 to 58 in a year.

Keep learning

Demand generation

How do you get the right people to notice you without burning budget?

Explore playbooks

Grow your audience

Grow your audience

Identify the channels where your buyers actually spend time, allocate budget with confidence, and build a distribution plan that compounds reach over time.

Create better ads

Create better ads

Set up a structured creative testing process that compounds your learnings so every new ad performs better than the last.

Engage more visitors

Engage more visitors

Design landing pages that continue the conversation from your ads and content, matching visitor intent with the right message, proof, and call to action.

Grow organic traffic

Grow organic traffic

Learn how to create search-optimised content that ranks, drives compounding traffic, and attracts buyers actively looking for what you offer.

Related books

No items found.

Related chapters

1

How to define your SEO content strategy

Set a traffic goal, group keywords by intent, and build a strategic content pillar map that scales with clear launch plans ready to execute.

Wiki

Cold email

Reach prospects who don't know you by sending personalised outreach that offers value and starts conversations rather than pitching products immediately.

Spam score

Evaluate email content and sending practices to identify elements that trigger spam filters before sending campaigns that might damage deliverability.

Warm-up

Gradually increase sending volume from new domains to build reputation with inbox providers and avoid being marked as spam when scaling outreach quickly.

Landing page

Create focused standalone pages for paid campaigns that remove distractions and guide visitors toward one specific action to improve conversion rates.

Click-through-rate

The percentage of impressions that result in a click to your website or landing page.

Internal linking

Connect related pages through contextual links to help search engines understand site structure and spread authority whilst improving user navigation.

Domain authority

Build cumulative site-wide ranking power through quality backlinks and strong content so new pages rank faster than competitors starting from scratch.

Bounce rate

Track emails that fail delivery to maintain sender reputation and avoid being marked as spam by continuing to email invalid addresses that hurt deliverability.

Reply rate

Measure what percentage of cold emails get responses to evaluate message quality and list targeting rather than sending more emails to poor prospects.

Paid search

Capture high-intent prospects actively searching for solutions by bidding on relevant keywords and appearing in search engine results.

Technical SEO

Fix site infrastructure issues that prevent search engines from crawling and indexing pages properly to ensure content can rank regardless of quality.

Maker schedule

Protect long uninterrupted blocks for deep work that requires concentration by clustering meetings and separating them from creative and analytical time.

Backlinks

Earn links from other websites to your content to signal authority to search engines and improve rankings for target keywords over time.

Cost-per-X

Master the economics of customer acquisition by tracking what you pay for each meaningful action across channels.

Social selling

Build relationships and demonstrate expertise on social platforms to generate inbound interest rather than interrupting buyers with cold outreach.

On-page SEO

Optimise individual pages for target keywords by improving titles, headings, content, and internal links to help search engines understand topic relevance.

Email deliverability

Ensure emails reach inboxes rather than spam folders by maintaining sender reputation, authenticating properly, and following anti-spam best practices consistently.

Paid social advertising

Target prospects based on demographic, firmographic, and behavioural data, interrupting their social feeds with relevant offers and content.

Engagement

Measure likes, comments, and shares to evaluate content resonance and algorithmic distribution on social platforms that reward interactions with reach.

Engagement rate

The percentage of visitors who meaningfully engage with your landing page instead of bouncing.