Once you are ready to have your wordpress site indexed by Ask.com, Google.com, MSN.com, and Yahoo.com, you should create an xml sitemap and submit it to them.
Once you are ready to start ranking your website organically, you will need to tell search engine robots that it is okay to scan and index your web site.
Setting up a contact page is something that should be done for any site which wants to make ranking organically with search engines as easy as possible.
If you want to make ranking your site organically with search engines as easy as possible, you should be sure to include an "About us" page on your site.
When using WordPress for a store traffic site, I like to create a customized homepage in order to give people various information about my store, the categories in it, my shipping information, any specials I am offering, and also display my most recently published articles and product showcases.