Importance of search engines
 
 
Many web sites provide lot of information regarding business, family, book contents, academical courses etc in the internet.
Value of internet
The value of an information lies on the ability to be displayed to potential customer's whole day in the internet. Internet is an economical way for business. Many of the viewers visit the internet and so with a monthly payment we can post sufficient information regarding our business. The internet, web site and search engines are inter dependable. 
How the Search Engines work?
Google, MSN, and Yahoo are main Search engines. They continually "crawl" (search) the internet through programs called "spiders" or "bots". These programs look at all websites they come across, read the information in them, determine their category, and index them in a giant catalog. When a person uses a search engine to find web sites in a certain category, they type in "key words" or "key phrases" describing the subject they are searching for. The search engine then looks at its index to find the best matches for that key phrase and displays its results for the user to select from. 
Search Engine Rankings
When the website is listed higher in search engine results, the website will get more people visiting it. Utilizing these known factors when creating a website it is important to ensure that the website will appear high in the rankings. Higher rankings in search engines may also lead to increased credibility in the eyes of potential customers, and could lead to a higher number of visitors who will also become customers. The percentage of people visiting a website is called the website's "conversion rate". 
Main Search Engines
Although there are hundreds of search engines on the internet, most of the people use only popular ones. Google, MSN, Yahoo, AOL, and the Open Directory Project constantly search the internet for new websites. Even free submission also is accepted within two or four months. Once a website is listed with these major search engines, the smaller engines should pick up the website automatically. If you want your web site submitted in the right way according to your choice then only you need to pay. 
Need for Web Designers
Successful optimization can be accomplished through simple steps. Today's business is in need of lot of expert web designers who can create a search engine friendly website for their company. And they are paid thousands of dollars to have their website "analyzed" and reworked for search engine optimization.