Domain Authority (DA) and Page Authority (PA) is achieved on a 100-point scale developed by Moz that determine how particular page of the website will rank on search engines. It is a comparative metric Domain Authority loosely means increasing your chances of ranking higher on Search engine result pages. Moz calculates Domain authority and Page authority based on different link metrics like, Number of linking root domains, quality of the inbound and outbound links, etc. Domain authority metrics depends on number of dofollow backlinks pointing to your website. To check DA and PA simply download MOZ toolbar.
What is Domain Authority?
Domain Authority is Moz's calculated metric for how well a given domain is likely to rank in Google's search engine results pages. ON Page optimization and off page promotion ultimately influence the Domain Authority of the website.
What is Page Authority?
Page Authority is calculated by Moz metrics that calculate how well particular page of the website will rank on search engines result pages. DA is updated fortnightly.
Domain authority calculates the ranking strength of entire domain where as Page authority denotes the ranking strength of particular page of the website on SERP.
Domain Authority Factors
Factors that plays vital role while calculating the Domain Authority of the website are listed below:
Internal Linking: Need to build trust for each of these internal pages of the website, which helps us to build a solid Domain Authority in long run.
Linking Root Domain : Instead of having 50 backlinks from one domain it will be good to have 50 backlinks from 50 different domains. It looks for how many sites are linking to your website and that ultimately help to boost the value of your site.
Quality Contents: If the website contents are well written, interesting and catchy more people will link to your website.
Social Media Presence: It means number of likes and shares your article gets on social platforms.
Search Engine Friendliness of the website.
Content Marketing: Start marketing of the content. Contents should be epic that means it should provide value to the readers. Contents should be fresh and unique.
Improper SEO Practices : Do not indulge in unacceptable SEO practices like buying links, site wide link ads, or linking from low-quality sites.
Check and remove bad or low quality backlinks on regular basis.
Blog : Website should have inbuilt blog and keep it updated on regular basis.
In short to get good domain authority score you need to use ethical SEO practices. Proper ON Page, quality content, high quality backlinks and social media engagement are the important factors.