Keyword density is a lot of search engines, including one of Google, Yahoo and MSN search algorithm. Each search engine has a keyword density on different mathematical formulas, keyword density allows you to get a higher ranking position. Keyword density in terms of the extent of the implementation of the punishment previously allowed, there are different levels of tolerance between different search engines. For keyword density, you need to understand the following issues: first, the definition of keywords before setting keyword density, you need to understand its meaning. English as keyword density Keyword Density, which is used to measure the total number of keywords appear on the page proportion with other text, usually expressed as a percentage. Relative to the total number of words a page, the higher the frequency of key words, keyword density is higher. For example, if a total of 100 words a page, and keywords appear 10 times in which you can say that keyword density of 10%. Search engines for keyword density is a certain limit, not to say that keyword density as possible, under normal circumstances, the keyword density of 2% to 8%, more preferably less than 2%, is not conducive to keyword optimization , while more than 8%, the search engines may be considered cheating. Set keyword best way is through the analysis of competitors to set up this website keyword density keywords. Second, increasing keyword density factors must be considered: Since the number of keyword density and keyword appears relevant, then you need to make the keywords appear frequently in the article, in order to increase keyword density. But we need to pay attention to are: 1. When setting keyword syntax must be smooth, not rote. To understand the keyword set is supported by web content. Now the search engines crawling the site, to determine the content of the site is quite strict, so be sure to pay attention to the logical relationship between statements setting keywords, do not arbitrarily do this. 2. Select the best location for the keyword. Familiar site optimization seo staff should understand that keywords appear in the order in which the location of the site and have a great impact on the keyword ranking, keyword difficulty so far forward, but also the number of points, so for Optimization is more favorable. 3. In the search engines that within a reasonable range of keyword density, keyword density is higher, the more cause for this keyword search engine watch, thus contributing to the rise in keyword ranking. So, if you think you optimize keywords more difficult, it is necessary to improve the keyword density. Third, the location keyword layout: 1. Logically speaking is the site where the text can appear keywords can be set, but the saying goes, "good knife to use wisely," keyword should be used in most need it place. For example, the site title, meta keywords section and is sure to set the keywords, the bottom of the page and head also need to set the keywords, but also add a link to the keyword. Of course, where the text should be set if required keyword. Theory of the case, but in fact, a wider range, and in reality, the Web page keyword density density is not so certain city, it does not matter, it does not mean your ranking will be greatly affected, because some optimization extent, make pages more likely to be included, make your ranking even before some of the true essence of the page itself is still dependent on the internal rankings, website promotion of a variety of factors. Keyword density is not too seriously, remember to avoid keyword stuffing, which appear in the keyword is not needed and arrange the content, but to please the search engines piled artificial keyword page. This has been included in the network marketing search engine malicious behavior, it is easy to be punished. But do not completely apparent presence keyword density when writing the content of the page, you can get the whereabouts of keyword relevance close. Macau: http: //www.redta.com/aomenduchang/