Meta description should be unique for each pages with targeted keywords. Do not stuff keywords into Meta description.

Add Titles related to targeted keywords, place only important keywords, do not exceed more than 25 characters

Layout pages with CSS, avoid tables

Add Keywords towards H1 tag as page headlines.

Create Static Header and footer navigation links, Links should be text not as images

Implement Bread crumbs for increasing web site navigation structure example Home >> Service >> SEO

Analyze your targeted keywords using Google suggest

Keywords in navigational links play a vital role and have its own importance to search engine eyes

Use most important keyword in file name or URL

Minimize table especially nested tables

Say yes to Quality links and No to Quantity links

Never try to place hundreds of link for a new site on the very first day

Your targeted keywords need to vary a lot in anchors

Images are important, make sure your site logo contains your keyword

Make sure to have sitemap as text links

Place robots.txt in root on your server

Start a blog and participate with other related blogs

Submit site to open directories

Monitor your hits and traffic by using free Google analytics

Try to avoid automatic directory submission and build manual links