By Nicholas Rowe,

June 14, 2024

Page Authority: How It Works and Its Importance for SEO

One of the most important factors you can learn about and utilise in SEO is Page Authority (PA). In this article, I will discuss Page Authority definition, how it works, and why Page Authority is important for your SEO strategy. Now, armed with this knowledge, you can use the nuances of Page Authority to improve the performance of your site and drive more organic traffic.

What is Page Authority (PA)?

Page Authority (PA) is a metric developed by Moz that predicts how well a specific page will rank on search engine result pages (SERPs). PA scores range from 1 to 100, with higher scores indicating a greater ability to rank. Unlike Domain Authority, which measures the ranking strength of entire domains or subdomains, Page Authority focuses on individual pages.

Domain Authority and Page Authority

Domain Authority (DA) and Page Authority (PA) are both metrics developed by Moz to help predict how well websites and specific pages will rank on search engines. Here’s how they differ:

  • Domain Authority (DA): This score ranges from 1 to 100 and measures the overall strength of a domain or subdomain in terms of ranking potential. It’s calculated by evaluating multiple factors, including linking root domains and the total number of links.
  • Page Authority (PA): Also ranging from 1 to 100, PA measures the ranking strength of a single page. It uses similar metrics to DA but is focused on the specific page rather than the entire domain.

How is page Authority Calculated?

Moz uses a machine learning model to calculate Page Authority. This model evaluates various factors, including:

  • Link Count: The number of inbound links to a page.
  • MozRank and MozTrust: Metrics that assess the quality and trustworthiness of linking sites.
  • Link Quality: The relevance and authority of the sites linking to the page.

The PA score operates on a logarithmic scale, making it easier to improve a lower score (e.g., from 20 to 30) than a higher one (e.g., from 70 to 80).

Why is page Authority Important for SEO?

Page Authority is crucial for SEO because it provides a snapshot of a page’s potential to rank well in search results. Here are several reasons why PA matters:

  • Competitive Analysis: PA allows you to compare your pages with competitors, helping you identify areas for improvement.
  • Link-Building Strategy: High PA pages are attractive targets for acquiring backlinks.
  • Performance Indicator: A higher PA often correlates with better ranking potential, making it a key metric for assessing SEO efforts.

Tools to Measure Page Authority

Several tools can help you measure and track Page Authority, including:

  • Moz Link Explorer: Provides detailed insights into your backlink profile and PA.
  • MozBar: A browser extension that shows PA scores directly on the SERPs.
  • Ahrefs and SEMrush: While not specifically providing Moz’s PA score, these tools offer similar metrics like URL Rating and Page Score.

Both metrics are useful for understanding the potential SEO performance of your site. High DA and PA scores indicate a strong ability to rank, but they should be used alongside other SEO strategies for the best results.

How to Improve Page Authority

Boosting your Page Authority (PA) is essential for enhancing your website’s SEO performance. Here are some effective strategies to help you improve your PA score:

Focus on On-Page Optimisation

On-page optimisation involves refining various elements of your webpage to make them more search engine-friendly. This includes:

  • Title Tags: Ensure your title tags are relevant and include primary keywords.
  • Meta Descriptions: Write compelling and informative meta descriptions that accurately reflect the page content.
  • Header Tags: Use header tags (H1, H2, H3) to structure your content and make it easier for search engines to understand.

By optimising these elements, you make your page more attractive to search engines, thereby improving your PA score.

Build High-Quality Inbound Links

Inbound links, or backlinks, are crucial for increasing your Page Authority. Here’s how you can build quality backlinks:

  • Guest Blogging: Write guest posts for reputable websites in your niche to earn high-quality backlinks.
  • Influencer Outreach: Collaborate with influencers and industry leaders to get mentions and links from their sites.
  • Broken Link Building: Identify broken links on other websites and suggest your content as a replacement.

Remember, the quality of your backlinks matters more than the quantity. Focus on earning links from authoritative and relevant websites.

Use Social Media to Promote Your Content

Social media platforms can significantly amplify your content’s reach and help you attract more backlinks. Here’s how to leverage social media:

  • Share Regularly: Post your content on social media platforms to increase visibility.
  • Engage with Followers: Encourage shares, likes, and comments to boost engagement.
  • Join Relevant Groups: Participate in industry-specific groups and communities to share your content and gain more exposure.

Create High-Quality, Relevant Content

Content is king in the digital realm. To improve your Page Authority, consistently produce high-quality and relevant content. Here are some tips:

  • Understand Your Audience: Create content that addresses the needs and interests of your target audience.
  • Be Original: Produce unique content that provides value and insights not easily found elsewhere.
  • Use Visuals: Incorporate images, infographics, and videos to make your content more engaging.

Monitor and Analyse Your Results

Regular monitoring and analysis are crucial for understanding the effectiveness of your strategies. Use tools like Moz’s Page Authority Scorecard to track your progress. Here’s what to focus on:

  • Track PA Score: Regularly check your PA score to see how it evolves.
  • Analyze Backlinks: Monitor the quality and quantity of your inbound links.
  • Adjust Strategies: Based on your analysis, tweak your strategies to improve performance.

For more insights on SEO strategies, check out our other blogs:


Page Authority is a vital metric in the SEO landscape, offering insights into the ranking potential of individual web pages. By understanding how PA works and implementing strategies to improve it, you can significantly enhance your website’s visibility and performance in search results.

Ready to boost your website’s Page Authority and achieve better SEO results? Contact Saigon Digital today for expert SEO services tailored to your business needs.


About the Author

Nicholas Rowe

Technical Director at Saigon Digital. I overlook all things techy and nerdy to make sure the delivery of all our projects run smoothly from a technical point of view. When I'm not staring at the computer screen, I can be found playing football for the famous Saigon Raiders.

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