The optimization of your website for search engines and other filters is extremely important for several reasons.
The reason for higher weight, which is a more beautiful and powerful that your website / blog, if anyone does not know the worth of nothing.

If you surf the Internet with some regularity, certainly know that large multinationals such as Google, Yahoo, Ask, etc.., Became giants on account of their search engines that find what you're looking for in less than 1 second.
When a site like Google to search the web query, will the number keywords (keywords) into account, and then present the results of hierarchical order.

If we imagine that will make a research on a book of Rooling Stones, the site that has the word most often appears first on the list.
These are called keywords.
It is extremely important to have the keywords on your site or type of business on the front page of your site.If someone searches for your business, will appear in front of the research rather than appear at the bottom.

One of the most basic techniques of SEO, is to introduce these keywords (keywords) on your website, making it still make sense.
The only place to put words, it will bring benefits and their readers / customers probably will not like much.
Knowing the search engines and how they work, is the best way for your site to earn income.
Never forget that however much good that is content, it is always necessary for someone to find.