Use genuine keywords is on of the best seo practice. A very simple way of upgrading your website in the search engine result page or SERPs is the use of genuine keywords. If you will use difficult or unusual keywords the internet user will not see your web page. The reason is that the common reader only writes simple keywords in the search box. You also write simple words when you need to get information about anything. Be careful about this and never use hard keywords. The keywords must be easy in understanding this is the target of search engine optimization. If a reader will not understand the keyword he cannot look your web page therefore search engine optimization enforces on the correct use of keywords to upgrade the website.