SEO trends for 2018 is Blog posting, guest blogging and social media postings.

Search on search engine, which is relavant to your business and do social media postings and sharings to improve your website traffic.

The main purpose of using twitter, linkedin or facebook, any social media is for bring traffic to a website and to get more visibility.

If you prefer organic result means start to do on-page and off-page techniques. Build quality backlinks to your website.
If you prefer paid result means you can do PPC.