Difference between Domain Authority and Page Authority in SEO

Domain Authority (DA) and Page Authority (PA) are two important concepts in SEO (Search Engine Optimization) that help assess the strength and relevance of websites and individual web pages.

What is Domain Authority?

Domain authority is a metric that was developed by Moz that predicts the possibility of a website ranking in Search Engine Results Pages (SERPs). Domain Authority ranges from 1-100. The greater the score is, the more likely it’ll rank.

What is Page Authority?

Page Authority is another metric that was developed by Moz that predicts the possibility of a specific page ranking in Search Engine Results Page (SERPs). Page Authority ranges from 1-100. The greater score indicates more possibility of it to rank.

Key Difference

Main Difference between the two are highlighted in the table:

Aspect	Domain Authority (DA)	Page Authority (PA)
Definition	Domain Authority measures how much people trust the whole website. It gives you an idea of how reliable the entire site is.	Page Authority, however, looks at how much trust one specific page on that website has. It focuses on the trustworthiness of a single page.
Scope	DA applies to the entire website, considering all the pages and stuff on that website.	On the other hand, PA only cares about one page – like one article or one part of the website.
Calculation method	DA is figured out by search engines or SEO tools, like Moz. They look at things like how many links point to the whole website, how old the website is, and how good the content is.	PA is also calculated by search engines or tools like Moz, but it’s all about the links to that one page and how good the content on that page is.
Range	Both DA and PA scores go from 0 to 100. Higher scores for either one mean that it’s more trustworthy and reliable.	Just like DA, PA gets a score from 0 to 100. When PA has a higher score, it means that specific page is more trustworthy.
Influencing factors	DA is affected by things like the links that point to the whole website, how old the website is, and how good the content is all over the site.	On the other hand, PA is influenced by things like how many good links point to that particular page, how good the content is on that page, and how much people talk about that content on social media.
Purpose	DA is usually used to figure out how reliable the entire website is. This affects how well the website shows up in search results.	PA helps you understand how reliable one specific page is and how likely it is to show up at the top of search results for certain words.
Applications	People use DA to see which websites are trusted in their field and to figure out where to get good links.	PA is more for checking and improving a single page on your website, making sure it’s strong and has a good chance of being seen on search engines.
Dynamics	DA can change over time as the website gets more links and better content. For example, if a website gets a lot of good links and publishes great content, its DA can go up.	PA can also change, especially when the specific page gets new good links or when the content on that page is updated. However, these changes mainly affect that particular page.
Example	Let’s say there’s a website with a high Domain Authority (like 80/100). That means the whole website is trusted and is considered a reliable source in its field, which helps it show up better in search results.	On the other hand, if there’s one blog post with a high Page Authority (maybe 70/100), it’s more likely to show up near the top in search results for certain words, even if the overall Domain Authority of the website is not as high.

Conclusion

Two important SEO metrics that may help you increase the visibility and organic traffic to your website are Domain Authority and Page Authority. Focus on producing helpful high-quality material that speaks to your target audience if you want to increase your Domain Authority and Page Authority. Create backlinks from directories and websites with a lot of authority. Improve every aspect of on-page SEO for your website, such as header tags, alt text for images, title tags, and meta descriptions. You can achieve your SEO objectives and raise your website’s SERP rating by regularly putting these strategies into practise.