[wileybrody]

?and
How much keep importance in seo work?

[Charls007]

You should be used unique content and used targeted keyword maximum 3 times in your one blog.

[briancowen1097]

Keyword density refers to the percentage of keyword appear in a content and for quality content, it should be less than 3-5%.

[SEO]

wileybrody, post in the SEO board these kind of SEO questions, not in the SEO-Directory board. I am moving this topic to the SEO board now!

[seanbarrington]

keyword density in a piece of content will always be important. The keywords that you decide to target, which should sum up the content on a particular page, is what search engine bots will use to determine where to index your website. In simple words, keywords work like little symbols for to help determine the topic of your content.

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[mcloren]

In search engine optimization (SEO) keyword density is the measurement in percentage of the number of times a particular keyword or phrase appears compared to the total number of words in a page.

[johnniewalk]

Keyword density is nothing but in an unique content to know how many times you repeated your content..

[SEO]

 I think that there is a very good answer of the question what is keyword density:
 

Keyword density is the percentage of times a keyword or phrase appears on a web page compared to the total number of words on the page. In the context of search engine optimization keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.

In the late 1990s, which was the early days of search engines, keyword density was an important factor in how a page was ranked. However, as webmasters discovered this and the implementation of optimum keyword density became widespread, it became a minor factor in the rankings. Search engines began giving priority to other factors that are beyond the direct control of webmasters. Today, the overuse of keywords, a practice called keyword stuffing, will cause a web page to be penalized.

Many SEO experts consider the optimum keyword density to be 1 to 3 percent. Using a keyword more than that could be considered search spam.
...

^{http://en.wikipedia.org/wiki/Keyword_density http://en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License}
 I like this explanation!

[RobertGrubbs]

((no. KW* no. of words in KW)/total no. of words article)*100

[tech1079]

Keyword density refers to the number of keywords used in a content or blogs.

[bcetindra]

The percentage of time a keyword present on a webpage compared to the total number of words on the page is called Keyword density...

[danielnash]

It is percentage of keywords occurrence in content.

[fugenxsaudi]

Keyword density is the percentage of times a keyword stays on a web page compared to the total no of words on the page.

[krishnamodi]

In SEO ,Keyword density is the percentage of times a  keyword phrase is found in your page content amidst all the other content. It  deals with the ratio of your keywords in light of the total number of indexable words placed in your webpage.

[mohinischaudhari14]

Keyword density is the percentage of times a keyword or phrase appears on a web page compared to the total number of words on the page. In the context of search engine optimization keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.