Say I am a dealer in used cars. Most of my users come from Google (85%) and Yahoo (13%).
I have a list of keywords. I notice that two common search phrases that land on my site are from "used cars" and "used car sale". First, I thought it would be a good idea to put these in meta tag name attr keywords and scatter them in my paragraphs. First of all, is that a good idea?
Second, I notice that the words "used cars" are also in "used car sale". Would it be a good idea to but both as separate keywords or just put "used car sale" as it contains both the words from the other phrase?
And in the body paragraphs, and headings does "used car sale" cover for both "used car sale" and "used car"?
I think, you should used both keywords because both keywords will show different search results. You should use these keywords in on-page and off-page optimization it may more help you rather than using second keyword.