There is a lot of information on he Web, but can we find the necessary one every time? What kind of strategies can we follow? What is worth paying attention to?

There are some strategies that we can use: guessing the URL, subject directories, search engines.

Search engines are important tools for locating and publicising information on the Web. Knowledge of their features helps us to search efficiently and build search-friendly HTML pages.

The invisible web is a part of the web what search engines cannot find.