Registration Search Engine - Search engine is intended to help locate the information accumulated on a World Wide Web, inside a commercial or proprietary network. The search engine permits users to ask for content meeting precise criteria which is usually some keyword or a phrase and get back a list of references that match those criteria. Search engines are regularly updated indexes to operate rapidly and resourcefully. Without further prerequisite, search engine usually refers to a Web search engine, which searches for information on the public Web. Other kinds of search engine are enterprise search engines, which search on intranets, personal search engines, which search individual personal computers, and mobile search engines. However, while different selection and relevance criteria may apply in different environments, the user will probably perceive little difference between operations in these.
