Searching is one of the most used actions on the Internet. Search engines as an instrument of searching, are very popular and frequently used sites. This is the reason why webmasters and every ordinary user on the Internet, must have good knowledge about search engines and search.
Webmasters use major search engines for submitting their sites on it, and for searching. Ordinary users use major search engines primarily for searching, and sometimes for submitting their homepages or small sites.
Why search engines are so popular? If you are ordinary user and you want to find some texts or pictures about certain theme, first thing you will do is to visit search engine to get some good URLs about certain theme. This will happen every time you need some information or data about any theme.
If you are webmaster, you will also need some information while preparing site for the Web, and you will also use search engines. Then, when you finish with it, you must submit your URL to many search engines. After that you will check your URL ranking on every search engine... There are also hot news on every major search engine, many other interesting contents... All of this shortly describes why search engines are so popular.