According to Sharad Agarwal, CEO of Cyber Gear, “Domain authority is a measure of the power of a domain name and is one of the most important search engine ranking factors. Domain authority is based on three factors: Age, Popularity and Size. Web site owners need to focus on domain authority to ensure that their brand is popular on the web.”
‘Domain Authority’ of a web site is also important since it can ascertain the following:
- Prestige of a website and its authors
- Quality of the information presented
- Information and website centrality
- Competitive situation around a subject
Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how well a website will rank on search engine result pages (SERPs). A Domain Authority score ranges from one to 100, with higher scores corresponding to a greater ability to rank based on an algorithm and weighted level metric.
Domain Authority is calculated by on the basis of age of domain, evaluating linking root domains, number of total links, MozRank, MozTrust, etc. into a single DA score. This score can then be used when comparing websites or tracking the ‘ranking strength’ of a website over time.
You can view a website’s DA by using MozBar (a free Chrome-extension), Open Site Explorer (a backlink analysis tool), the SERP Analysis section of Keyword Explorer and several other SEO tools across the web like Websiteseochecker.com.
Sites with a very large number of high quality external links are at the top end of the Domain Authority scale, whereas small businesses and websites with fewer inbound links may have a much lower DA score. Because of how Domain Authority is calculated, it’s best used as a comparative metric when doing research in the search results and determining which sites may have more powerful link profiles than others.
The best way to influence the Domain Authority metric is to improve your overall SEO. In particular you should focus on your link profile by getting more links from other well-linked-to pages.
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