What is Search Engine Optimization?

Now a days every business website needs "Search Engine Optimization" (SEO). It is repeatable and measurable process which affect the visibility of your site at Google Search Engine. It is used to send the signals to search engines where is your page worth on google index. SEO is necessary when you need to find clients according to your business. In today's world every one need his website on the top of the page on google. For this we need good content and keywords on website.