How to find the relevant keyword for the site....How to finalise wich keyword will b beneficial for the sites to drive traffic...What shoul b keyword density....?
Use a keyword tool. Finding the longtail high volume, low competition phrases is something of an art & takes practice. Keyword Density doesn't matter.
Each period will have a different keyword,Every time I want to know what Americans keyword search electronic products,
use google keyword tools and select keyword which have more density ,make that keyword your site title.i think you will get more traffic at your site.
you can use google keyword tools or can directly search the keyword in a search engine.take a keyword which have high density to make the title of your site. keyword density is the search of that keyword by users.