You will never know on which device your audience is accessing the web . Therefore, you should have a responsive website Design to reap the maximum benefits.
This question and answer community has around 190 million unique visitors as of April 2017. This means you have a great potential to build your brand here. By being active on Quora, You can know what you should create that your audience would love to read. Also, Quora can provide you with the tons of Referral traffic.
This is another important point in SEO checklist for off page SEO
In 2018. You should write guest posts for leading websites in your business domain . However, Google discourages guest posting campaigns and large-scale article marketing with keyword-rich anchor text links.
