In practice, CGI programs are used to handle forms and database queries on web pages, and to produce non-static web page content. The links are maintained by search engines and directories and are sorted into categories or channels. Sites are picked by a channel editor, often because of a site's already high ranking with the search engines. Some search engines and directories allow visitors to nominate sites for inclusion in their channels. Client A computer, program or process which makes requests for information from another computer, program or process.
Web browsers are client programs.
Click through The process of clicking on a link in a search engine output page to visit an indexed site. This is an important link in the process of receiving visitors to a site via search engines. Good ranking may be useless if visitors do not click on the link which leads to the indexed site. The secret here is to provide a good descriptive title and an accurate and interesting description. Cloaking The hiding of page content.