You have done all of your keyword research and you know what keywords people are using to find and purchase your products and services. It is time to build a site that will not only reflect those product and services but will raise to the top of the search engines for those terms so that the people who are searching for your product and services will be able to find them.

Plan on grouping your keywords

For each page of your website you will want to target different keywords. Most webmasters commit the grievous error of copying the header of their index page onto all their pages to save time DO NOT DO THIS!

To maximize the potency of each page for its targeted keyword search phrases plan on optimizing for a "maximum" of 3 keyword terms. Also group "like terms" so that you may increase your keyword density with much less effort.

Example:
Keywords: widget, blue widgets, wingdings, widgets, green wingdings, wingding. In this list you have two very obvious groupings "wingding group" and "widget group" Therefore the proper way to optimize is to assign "Page A" to one group and "page B" to the other. If these 2 pages and subjects were your entire site then the more competitive group would be optimized for on the index page as it usually has the highest page rank

Now that you have your keywords organized you must choose which pages are best optimized for which keywords. If you have 30 keywords then you must have at least 10 pages. (Of course you will never let the number of keywords limit the number of pages within your site hence the "at least"*)

Now start thinking about your topics ask yourself "how many products do i have?" and "what other services do I offer?" also consider what else you want to provide within your architecture. Do you want to tell people about yourself or your company? Do you need an order page, a contact page or a disclaimer? All these things should be addressed so that you are not creating "extra" pages that are unnecessary just to fit your keywords in somewhere.

Finally once you have decided which pages fit with which keywords name each page to reflect the most competitive keyword for that page. Create an excel reference file so that later when consider your "off page" characteristics you have an easy map THIS IS REALLY IMPORTANT!

(most important keyword of this page).html	Keyword A,B,C
(most important keyword of this page).html	Keyword D,E,F
(most important keyword of this page).html	Keyword H,I,J

You will reference this spreadsheet when considering the target location and anchor text of inbound links. More on this later...