Social Profiles: Create 1-2 profiles on social media sites on a weekly basis. Find sites in your niche, as well as sites that have a high PageRank and can bring in quality traffic. Build html backlinks from those sites back to your web site. (Weekly)
Create Alerts On Q&A Web sites: Set up alerts that allow you to monitor Q&A sites like Yahoo Answers and WikiAnswers for questions that are asked and are relevant to your industry. When you get an alert that a relevant question has been asked, respond to those questions as a way to establish yourself as an authority in your industry and to build backlinks and traffic to your web site. (Daily)
Perform Social Bookmarking Tasks: Once you’ve created quality content on your site, use social bookmarking sites to bookmark the content. Social bookmarking should be done with every post you believe is of the highest quality. How to posts, lists, and industry roundups or reviews fare well on social bookmarking web sites. (Per Post)
Monitor Buzz: Select the keywords that you want to rank for and monitor and respond every time those keywords are mentioned in blog posts, forums, twitter status updates, or articles on the web. Monitor blogs, forums, social networks, and industry web sites where you can comment when your keyword is mentioned. (Daily)
Put Out New Content: Monitor social networking sites, industry newsletters, and google blogs for ideas for new content, then write how-to and informative articles and post them on high PageRank and highly trafficked sites. In the resource box, link keywords back to your web site. (Weekly)
Keep An Eye On Competitive Backlinks: You should be monitoring your competition to find out what they’re doing as far as SEO and web site updates, but are you monitoring the backlinks that they are getting? Every time you get an alert (or manually check) that a new backlink is created to your competitors site, try to procure a backlink from that web site to your site. (Weekly)
COnsider Directory Submission: Search for relevant directories that you can submit your web site to. Quality directories will have a high PageRank and include categories that are relevant to your niche. (Weekly)