30 SEO Tips in 30 Days to turn your website SEO ready

Tip [1] Add Titles related to targeted keywords, place only important keywords, do not exceed more than 25 characters
Tip [2] Meta description should be unique for each pages with targeted keywords. Do not stuff keywords into Meta description.
Tip [3] Layout pages with CSS, avoid tables
Tip [4] Add Keywords towards H1 tag as page headlines.
Tip [5] Implement Bread crumbs for increasing web site navigation structure example Home >> Service >> SEO
Tip [6] Create Static Header and footer navigation links, Links should be text not as images
Tip [7] Analyze your targeted keywords using Google suggest
Tip [8] Keywords in navigational links play a vital role and have its own importance to search engine eyes
Tip [9] Use most important keyword in file name or URL
Tip [10] Minimize table especially nested tables
Tip [11] Say yes to Quality links and No to Quantity links
Tip [12] Never try to place hundreds of link for a new site on the very first day
Tip [13] Your targeted keywords need to vary a lot in anchors
Tip [14] Always have a good combination of links from new and old sites
Tip [15] Try writing articles having links and have them in the resource page of your site
Tip [16] Images are important, make sure your site logo contains your keyword
Tip [17] Put CSS and JavaScript into external file / folder
Tip [18] Pay special attention to your content
Tip [19] Make sure to have sitemap as text links
Tip [20] Place robots.txt in root on your server
Tip [21] Create Google site map to your web site
Tip [23] Start a blog and participate with other related blogs
Tip [22] Submit site to open directories
Tip [24] Create feed xml and ror xml for xml search engines and directories
Tip [25] Try to avoid automatic directory submission and build manual links
Tip [26] Monitor your hits and traffic by using free Google analytics
Tip [27] Know how to analyze the reports and to optimize the results
Tip [28] Know about redirection methods and theory - 301, 302, and 200 response codes
Tip [29] Implement, understand and react to website analytics reports
Tip [30] Make your body copy sufficiently long and keyword rich

source :jag seo