Don't use them see what happens oR the next question will be why my site doesn't apear in SERPs for Xkeyword
If you want your site on the first page of Google, you really need keywords. It is where we earn money from our sites.
The more searched term keyword you use on your site and optimize it for high rankings in SERPs, the more traffic you ll get and hence more sales and more income.
Are you asking for meta keyword? Well, I don't care too much about meta keywords anymore, instead I am more focus getting backlinks with spesific keyword as the anchor text. It's more effective that way I guess. Any other opinion?
Keywords is a door to enter the website.many People's search keywords in search engine(SE) to find keywords related websites and it's easy for them to make choice.Choosing a key words can make or break your website.so here i write some tips for choosing right keywords. http://seobacklinksanalysis.blogspot.com/