Optimize all Main Meta Tags, each page individual done for specific key phrases relevant to your content.
Image Tags (alt tags) - Image tags were first developed for the visually impaired. An alt tag is text that appears when your mouse hovers over an image on a website.
Optimizing existing content on web pages to reflect the keywords you are targeting for each individual page
H1 of or other at the top of page reflecting with key phrases complete naturally. H1 tags are header tags on the top of your web page that serve as a type of Page Title which is visible to your website visitors and best describes what is to follow on that existing page.
Keyword/Phrase content placement - Using keywords throughout your page content careful as to not over use the keyword, yet use them in a free normal writting style.
Robots Tag - Include a robot.txt file on your server as to direct the search engine spiders as to what pages should follow links on page or not follow
Creating Reciprocal links page - Try to gain a reciprocal link from another website with relevant content, not competitor.
Optimizing page/file names of any new pages created - Save your .html files in keyord format.
Linking strategies - creating back links from Forums, directories, search engines, industry niche sites etc.
xml site map or hand coded site maps for easy page indexing-On your website, include either a hand coded .html site map to each page within your website or use an easy site map generator to generate an .xml file to upload to your server.
Hope, it will help