What is SEO?
Search engine optimization is the process of increasing the quality and quantity of website traffic by increasing the visibility of a website or a web page to users of a web search engine. SEO refers to the improvement of unpaid results and excludes direct traffic/visitors and the purchase of paid placement. Source: Wikipedia
On Page SEO
On-page SEO is the practice of optimizing individual web pages in order to rank higher and earn more relevant traffic in search engines. On-page refers to both the content and HTML source code of a page that can be optimized, as opposed to off-page SEO which refers to links and other external signals. Source: Moz.comOff page SEO refers to techniques your can use to improve the position of a web site in the search engine results page (SERPs). Many people associate off-page SEO with link building but it is not only that. Source: reliablesoft.net