Are you tracking the terms that people are searching for, using the site search option of your website? These can give vital clues to the keywords that you are not targeting clearly on your home page.
More on Site Search Can Give Vital Clues To Customer Needs
Do you want your blog to rank higher in the search engines? Did I hear a loud 'Yes, of course!'?
While we all understand that posting regularly with quality and unique content is the most vital thing you can do to get better search engine rankings, here are a few more tips to improve your results:
More on Blogging Tips for Better Search Engine Ranking
If you have a Semiologic blog, you don't have to use a short-url service like TinyURL where you can't change the destination later. This is also great for the control freaks who are very scared to use a 3rd party service.
More on Short URLs with Semiologic – easily!
Do you know Google is now giving less weight to run-of-site links (the ones you put in the sidebar or footer, available on all the pages)? It is much better to link to your favorite sites from the content – the blog post itself.
More on Links in blog post get more weight

Want to keep your visitors on your blog longer? The more they read, the more they are convinced of your expert status. This will definitely increase the chance that they will buy whatever you are offering. Here's how to achieve this "stay longer" target:
More on How To Keep The Visitors On Your Blog Longer!
Did you know that your blog post tiles are very important for the SEO of your blog? There are some simple but important considerations to get your post (more) popular. Are you doing it the right way?
More on Blog Post Title – Did you think before you posted?
Further to my earlier post about improving the SEO potential of your blog with a suitable title, today I will like to cover the use of tags to improve the rankings.
More on Blogs Shine When Tagged
If you use Semiologic as your blogging software (I call it Wordpress on steroids), make sure you enter a keyword rich and attractive title for the home page. The blog generally defaults to displaying your blog description as the title of the home page, which is not such a great idea.
More on Home Page Title for SEO on Semiologic Blogs