1. Use your brand on the title tag One nice example of the power of branded title tag is on Gatzet.com. You can see also the title tag on Asus Eee PC User Manual
2. Limit length to 65 characters (including spaces) or less. Very long title won’t get indexed completely by search engine. It simply wasting our space. The bad example for a long post title is on Tricking the tag ‘b:section’ appears inside of the tag ‘head’ Error in Blogspot.
3. Include the important keyword on post title . You post will be more prominent for the visitor when they search for particular keyword contained on your post.
4. Think like a searcher when writing a title. Take time to chose the best title composition for your post. Keep in mind the search terms of your audience will use to find your post.
5. Repeat the title keyword in the headline. The headline lies within the first 160 character of your post. This part will be the main headline of the page on the search engine index.

Create the Best Meta Description for your post

1. Always describe your content honestly. A misleading meta description will hurt your Search Engine traffic on the long term.
2. Staying in descriptive style. Describe the content of your page clearly using 160 character and put it as headline.

Create the Best URL / Permalink structure

1. Describe Your Content. Use url structure that include your post title. It helps a lot to increase your search engine ranking.
2. Keep it Short. Long and tedious URL is simply looks less-interesting and spamy.
3. Descriptives are Better than Numbers. Use keyword as much as possible rather than number.

Most of those Best SEO Practice were discovered from SEOMoz Why Does Your Search Traffic Suck?