Blogging should be a strategic practice that your business takes very seriously. If done correctly, blogging will help you increase your organic search results for the keywords that matter, help identify your company as a problem solver to your customers, and give you an industry relevance that can be difficult to ascertain through a website alone.
Great Resources Online Resources
Keyword Density Tool (Free) - http://tools.seobook.com/general/keyword-density/
Search Rank Tool (Free) - http://www.seocentro.com/tools/search-engines/keyword-position.html