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Keyword Density Versus Keyword Frequency
One thing you will often hear from search engine optimizers is “keyword density”. As a general term, there is nothing wrong with this. However, if they are giving you some kind of percentage (i.e. the best KWD is between 5% and 15%) you should probably hang up the phone or delete the email.
On all major search engines we have seen sites rank extremely well for their terms with very low to very high key word density. Why? Because from a search engine’s perspective it makes sense that the page is ABOUT whatever term shows up more times than any other term, regardless of what the “density percent” is.
Search engines only care about the density (as opposed to frequency) of your key words or phrases in relation to whether or not you are trying to spam them. By not worrying about keyword density, and instead focusing only on keyword frequency, you don’t have to worry about this. Why not? Because your only concern is that the keyword or phrase you want to target shows up more times on the page than any other word or phrase - aside from stop words like: and, the, at, a, etc. This is called keyword frequency.
Allow me illustrate this for those who are confused or in disagreement:
Page A has 100 words. The only keyword phrase to show up more than two times is “blue widget,” which appears three times on the page. Now, by all “expert” opinions that is a very low KWD - 3%. But then again, there are only 100 words on the page and it DOES show up more often than anything else.
Page B has 1,000 words. They were told by an optimizer to make sure the KWD of “blue widget” is about 10%. Don’t you think it would sound repetitive if you were to repeat the term “blue widget” 100 times on the same page? If you were a search engine, wouldn’t that seem like keyword stuffing to you?
Instead, what if the next most frequent phrase, “green snazzle”, only shows up 9 times? Then you could rest assured that by using “blue widget” a mere 15 times the search engine would know exactly what the page is about, and you would not have to worry about keyword stuffing, keyword density, or any of the nonsense inexperienced optimizers try to get away with.
Everything You Just Read is Besides The Point. Gee, what a waste of time huh? Well, not really. It provides background for what really matters: Good content. Without trying, an experienced online copywriter will write a page so that the most important keywords or key word phrases show up more frequently than any others. At the same time, it will not be such a high KWD as to risk being penalized for keyword stuffing. Furthermore, it will sound natural to the reader. Focusing too much on keyword density makes a page seem contrived and the writer sound ignorant.
Keyword frequency analysis is best used as a guide for the optimizer to quickly see what a page is about, and what terms they should optimize that page for. Rather than the optimizer bending the copy to meet their needs, they should bend their optimization to match the copy - providing the copywriter has been given the keyword research report and has written with that in mind.
Here is a Keyword Frequency Analyzer that I use on a daily basis:
Mark Horrel’s Keyword Density Analyzer - Don’t let the word density fool you. It can also be a frequency analyzer, and a damned good one at that.
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How to Use Mark Horrel’s Keyword Frequency Analysis Tool: An Example
1. Copy everything above the dashed line.
2. Click on the link above to use the analyzer.
3. Paste the copied text into the “Text:” box.
4. Be sure to sort “by frequency” and “ignore stop words”.
5. Click Submit
RESULTS:
Consider “you” as a stop word that should and would be ignored by search engines unless it is part of a larger phrase. Notice that the top term for this blog entry is “keyword“, followed by “page” and “density“. Close behind are the terms “search,” “frequency” and “words“.
I did not count the amount of times I used any terms while writing this page. I knew the subject I wanted to write about, and I wrote it. This is my first draft - as you can probably tell. Still, given that the most frequently used terms are, in order: keyword, page, density, times, search, frequency and words…
If YOU were a search engine, what do you think this page would be about?
By the way, I feel that the word “density” is already too repetitive on this page, yet it has a KWD of a little more than 3%. Imagine if I took the advise of many SEO “experts” out there and peated that word another 10-15 times to achieve optimal KWD…