Not exact matches
You can
use their data to judge
keyword difficulty also.
I recently tripled a sites traffic by ONLY
using keyword research to find 3 low
difficulty long tail related
keywords that each have over 1000 searches per month (No Link Building to that Page).
Very simply, I
use KWFinder to find long tail
keywords with search volume between 50 and 500 and with
keyword difficulty of 39 or less.
SEOMoz
Keyword Difficulty Tool: Get a more accurate idea of where the competition is in an organic search rather than
using only the pay - per - click model as Adwords does.
On a more advanced level you'll want to
use a tool like SEMRush or Moz Pro to look at the
keyword's
difficulty score.
Also, if you've decided to sign up for SEOmoz's SEO Tools, you can
use their «
Keyword Difficulty» tool to easily find out what websites rank on page one of Google for a particular search at any time.
Include
keywords important to your industry, but don't
use so many
keywords that an average person has
difficulty weeding through unfamiliar terminology.