Is the KEI really a good indicator
for useful keywords?
Last week, we explained how
to find good keywords for search engine optimization with
the help of IBP's keyword generator and a dash of common sense.
Some webmasters also use the Keyword Effectiveness Index
(KEI) to determine the value of their keywords. Does it really
make sense to choose keywords that way and is KEI something
you should use for your keywords?
What is the KEI (Keyword Effectiveness Index)?
The KEI compares the number of searches for a keyword with
the number of search results to pinpoint which keywords
are most effective for your campaign.
Suppose the number of searches for a keyword is 486 per
month and Google displays 214,234 results for that keyword.
Then the ratio between the popularity and competitiveness
for that keyword is 486 divided by 214,234. In this case,
the KEI 0.002.
The higher the KEI, the more popular your keywords are,
and the less competition they have. That means that you
might have a better chance of getting to the top.
Is this a good indicator for useful keywords?
According to the KEI definition, the best keywords are
those that have many searches and that don't have much competition
in the search results.
However, the KEI makes no statement about the quality of
the competition. While there might be only a few competitors
in the search results, these competitors could be big players
with big SEO teams and thousands of back links.
The number of search results cannot really tell you whether
it is easy to get your web site listed in the top 10 results
for that keyword or not. It's much easier to move your web
site from position 50,000 to position 32,000 than from position
210 to position 8.
In addition, the KEI factor is not a scientific number.
The numbers on which it is based might not be comparable
for all keywords. The keyword counts could be calculated
differently for different keywords (some terms might be
combined into one and other might not) and the search results
sometimes change because a special word in the search term
triggers a special filter. The changes in the starting numbers
might cause that you compare apples and oranges.
What does this mean to your web site?
If you are serious about your web site, you must be serious
about your keyword choice. KEI can help you to choose keywords
but you should not rely too much on it and it should be
the last step when choosing keywords.
Follow the instructions of our last
article to find the best keywords for search engine
optimization. It is important that your keywords are targeted
and popular and that they attract web surfers with the right
Once you have build a list of specific keywords that have
many searches and that are used by web surfers with the
right motivation, you could apply the KEI formula to them.
Use common sense. If the KEI for a keyword is high it might
still be a good idea not to use the keyword if your top
ranked competitors are very big players.
the right keywords is a very important step in every search
engine optimization campaign. Take some time to find the best
keywords for your web site and then optimize your pages for
these keywords so that you get high
rankings on Google, Yahoo and other major search engines.