Your 1st step in SEO is to analyze your competition and competitor resource. The most effective technique in SEO is to select keywords that have traffic.
The second and important step is link building like(Directory submission, Deep link directory submission, social bookmarking, article submission, forum submission, blog submission, classified submission, etc. You should create links for your websites with different variations of anchor text. It is commonly observed that that webmasters exchange links with hundreds of link partners. If these sites don't relate to their site, Google will most likely penalize their main site.