How to use keywords to help your search engine rankings
If you're looking at keywords as a way of improving your search engine rankings, it helps to remember that the main issue is not about the keywords but about the content they refer to.Search engines are interested in your content; your keywords help them decide what it's about and if it's useful enough to give to searchers.
Your keywords need to reflect themain messageconveyed in the content on a specific page. It doesn't help to list a long string of keywords that aren't used anywhere on that specific page.