Keyword Research might go on for as long as your site is up and running. Pity that volume seems to mean everything to so many researchers.
You also need to check relevance and what your competition is doing. Maybe most importantly, how is any given keyword actually converting to business or leads? Ask the right questions and your optimization can be that much more valuable.
Read the full article here:
Are You Selecting Your Keywords for the Right Reasons? – Search Engine Journal
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