Keywords are a group of words that describe the topic of your site.
They are the words your customers would use to find you in a google search.
For example, if you sell kitchen cabinets, and you only use the words “kitchen cabinets” to describe your products but your potential customer searches for “custom cabinets” or “custom kitchens” your website will probably not be found.
Finding the best and most popular keywords and using them effectively is a vital part of driving more traffic to your site.
For best results you should use a keyword research tools like the Google Keyword Tool. Google keyword tool can compile a list of terms people search for, indicate how often they are searched for, and even help you discover keywords you may not have considered. Developing a database of customer searched keywords will help to focus the efforts of the next step most successfully; the script.