Why Domain Authority is important and the ranking factors used by Moz to determine a website's domain authority.
11steps that you should follow to increase domain authority
1) Pick a domain name that is relevant to your niche.
2) Optimize On-Page SEO including your title tags, image alt tags, and content.
3) Produce high-quality content that people will link to.
4) Include internal links to improve user experience.
5) Run an audit to remove bad and broken links for a healthy website.
6) Go mobile-friendly.
7) Check your Domain Authority Score on Open Site Explorer by entering your website,s URL.
8) Become the expert within your niche.
9) Make sure your website loads fast to reduce bounce rate.
10) Do content promotion via social media - Facebook, Twitter, Google, Linkedln, Snapchat.
11) Don't forget to increase page authority as well.