The aim of this work is to summarize the basic knowledge of ways to search the Internet and its usage. The work focuses on a description of search engines, as well as on description of expanded search options. It thinks out the credibility and recency of the web pages. It focuses on the role of a user as a searcher and the role of search engine as an output of relevant links. In this work, I tried to compare some search engines from the perspective of the relevance of outputs from different queries. Part of the work contains also a question survey focusing on the usage of search engines. It analyzes the problems of communication between the user and the search engine. The work is divided into three parts. In the first part, which contains t...