根据潜在客户或目标用户在搜索引擎中找到你的网站时输入的语句，产生了关键字 （Keywords）的概念，这不仅是搜索引擎优化的核心，也是整个搜索引擎营销都必须围绕的核心
关键字的选择
首先确定你的核心关键字，再围绕核心关键字进行排列组合产生关键词组或短句。对企业、商家而言，核心关键字就是他们的经营范围，如产品/服务名称、行业定位，以及企业名称或品牌名称等。总结起来，选择关键字有以下技巧：
1、站在客户的角度考虑潜在客户在搜索你的产品时将使用什么关键词？
这可以从众多资源中获得反馈，包括从你的客户、供应商、品牌经理和销售人员那里获知其想法。
2、将关键词扩展成一系列词组/短语毋用单一词汇，而是在单一词汇基础上进行扩展
如：设计→网站设计→深圳网站设计。英文关键词可以采用搜索引擎overture的著名工具Keyword Suggestion Tool对这些关键词组进行检测，可查看你的关键词在过去24小时内被搜索的频率，最好的关键词是那些没有被广泛滥用而又很多人搜索的词。中文工具可以通过百度的"相关搜索"和Google提供的KeywordSandbox工具进行关键词匹配和扩展。

According to target potential customers or users in the search engines find your site, enter the statement, resulting in a keyword (Keywords) concept, not only the core of search engine optimization, search engine marketing is the core must be around
Keyword Selection
First make sure your core keywords, and then arranged around the core keyword combinations generate key phrases or short sentences. Enterprise, business, the keyword is their core business scope, such as product / service name, industry positioning, and corporate name or brand name. To sum up, select the keywords have the following skills:
1, a customer point of view of potential customers searching for your products will use what keywords?
This can get feedback from a number of resources, from your customers, suppliers, brand managers and sales staff there informed of their ideas.
2, will be expanded into a series of phrases keywords / phrases not single words, but based on the expansion of a single word
Such as: design design → Shenzhen → web site design. English and key words can use the famous search engine overture tool Keyword Suggestion Tool for detection of these key phrases can see your words in the last 24 hours by search frequency, the best keywords are those who have not been widely abused Many people search words. Baidu Chinese tools can be a "Search" and Google provides tools for keyword matching KeywordSandbox and expansion.