7 Most essential tasks to make your blog SEO friendly

1. Make sure that the link of the page is in Search engine friendly format as this page : "tiny-news.com/2010/7-most-essential-tasks-to-make-seo". Blogger blogs posts automatically uses SEO friendly links.
2. Use Bold font , make important things, keywords stand out by making them bold. Search engines see it fast.
3. Canonicalization , avoid duplicate content using Google's new meta tag : searchengineland.com/canonical-tag-16537
4. Code perfect ,  make sure that the code CSS or Html used in your template is perfect . You may take help of a html validator : w3schools.com/xhtml/default.asp
5. Use Google webmaster tool to find any error and to get rid of them : google.com/webmasters/tools
6. Social Bookmarking , Pligg sites are a great way to get quick backlinks for free. Bookmark your pages on high Page Rank sites like Digg and many others. Participate in related forums and get good backlinks.
7. Content, frequent content publishing and quality content which is useful and interesting for your visitors.