Search box within a website,thats an important feature.To contain a visitor browsing through pages search box optimization is one of the tools and thats a fact.When user intend to look for something and if it is there and they find easily ,thats a bonus.And this can be done by placing a search box.
There are several options for a search box.Generally it is of two types.
One is search a topic within the blog or website , it may be named as local search.If there is any related topic in your website or blog this will be shown in the search result.
Another is search this topic within the entire world ;for this best option is GOOGLE search.In this case you are providing the user to search google in your website.In search result your blog or website entry may not come.
