ExpressionEngine comes with a pre-built search tool to allow visitors to search your site. Although technically a module, the search functionality comes pre-installed and does not have any special setup. This means that you can start using the search tags right away.
There are two parts to enabling search on your website, namely:
Creating a form that allows visitors to type in and submit search terms (this could be as simple as a search box that appears in your sidebar or it could be an entire template dedicated to an advanced search).
Creating templates to display the search results (or that there are no results).
Note
The Search functionality only searches channels. The Discussion Forum module and the Wiki module both have separate search functions.
When you design your search forms, you can use parameters to control what is searched. By doing this, you can limit searches to particular channels, status groups, or categories. You can also determine whether you want the search...