Keyword density is not the higher the better

Summary: Many SEO predecessors have answered this question. The answer is: 2-8%, 3-7%, less than 10%, 5% or so, you choose one. Keyword density is a vague concept rather than absolute. Keyword density is not the higher the better, the following explanation, you or

Many SEO seniors have answered this question. The answer is: 2-8%, 3-7%, less than 10%, 5% or so, you choose one. Keyword density is a vague concept rather than absolute.

Keyword density is not the higher the better, the following explanation, you may understand the keyword density means what?

The workflow of a search engine is probably like this:

Index a Web page. This is robot work, search robot is very diligent, so be included is the simplest thing. But there are a lot of people always complaining: "My station is not included?" The Web pages are classified and archived by keyword. Sort all pages in a keyword archive. This involves the domain name PR value, link anchor text and so on. For popular keywords, the results of the first page generate a static page. (Do not understand this, skip)

2nd, the search engine to the content of the Web page in line with the keyword density standard word, identified as the key words of the page. So what does keyword density mean? If you don't have a good keyword density, you can't have a 3rd ranking.