Became clear in the world today is for every business savvy to a common site with which they are primarily intended to advertise their products and services. With the advent of search engines, it is even easier for customers to find things online. For a website successfully with their connection in the first three pages, bringing the search and rank of the site must be high, many site visitors are areas. This can be achieved through the use of optimization search engine or popularly known as SEO. This is a marketing strategy, quality and quantity of traffic increases on a specific site via search engines.

SEO is not only the results of search engines and image search, video search and specific industry vertical search engines. It determines how a search algorithm and look what happened to the population very popular. If a link is submitted to a search engine spider to crawl through the collection of a page that collects links to other sites and pages on the server, the search engine. The information collected from these sites to the indexer, whose work is sent to obtain information from these pages the keywords and their weights, the location of the site and other links that will be registered for the spider to extract drag in the future.

Early algorithms search engine optimizer were dependent on keywords, meta tags and index the files made available by the webmaster. Meta tags provide information about a particular page, not prove it to them for indexing pages to be effective, because some webmasters meta tags irrelevant are added to increase the number of visits and win huge advertising revenues . They also changed the HTML web pages for a good place to reach the site. But it was a case of abuse because he found no difference sites.

Search engines have started using complex ranking algorithm, which were difficult to handle for the webmaster, so people get real results. The rank of the web page has links calculated mathematically by functions with a force and quantity of entrants. The higher the rank of the site, most likely had been seen by someone. Later, algorithms were developed, several other online site is referenced as factors such as rank-and off-page factors, such as hyperlinks. Since the webmaster is not to manipulate the page rank, they started the exchange, buying and selling links that lead to spamming Link paid, and even the creation of numerous websites for this purpose.

Algorithms are becoming daily more complex each day, and top search engines, their algorithms still a mystery. As costs have risen for SEO, pay the advertiser, which eventually led to websites with high quality ropes. Although investment in SEO is very fertile, but at the same time, because the algorithms used with any notice, are bound to change and to stop the search led visitors to the page risky. Many consultants are on the market, offering SEO services. They manipulate the HTML source of the site, how to draw menus, shopping carts and sometimes even the content of the website to get more traffic. Search engines such as Yahoo algorithms to extract the pages rather than the page rank, but the cost per click or set fees that, if a claimant wishes to display the page with its display, should be money for it is loaded. This is a controversial issue, since only large companies to increase capacity, the number of hits on their side, but not small businesses that may be under a better quality available.

Google Ad Words investigate the ads with the words typed into the search box does Internet. The Million Dollar Homepage has started the concept of pixel advertising is a type of graphical advertising. According to the pixels, the space sold to advertisers. Keyword advertising will advertisers buy the URL of a site and place their ads on this site. While SEO is a market in itself is a great success for businesses on the Internet line.