关键词与网站主题要紧密相关

关键词实际上是为网站主题服务的，所以关键词需要与网站主题紧密相关。这一点很简单，也容易理解，但是千万不能忽略。
对于一个网站来说，所有的内容应该都是围绕着主题展开的，关键词也不例外。如果选择的关键词是和网站主题不相关、没有联系的，那以这样的关键词即使能给网站带来很高的流量，也不能选择，因为这样的关键词对网站品牌、网络营销没有丝毫的意义，还会造成来访者的怀疑与反感。
网站选择关键词要精准而不能宽泛
关键词太宽泛是常出现的问题，很多网站建设者都会犯这个错误，很多搜索引擎优化新手也会不知不觉地犯这个错误。
在很多意识到搜索引擎优化重要性的企业中，其首先想到的关键词就是本行业的名称。比如房地产公司，会选择“房地产”这个词作优化：旅游公司，会将自己的网站优化到“旅游”关键词的位。选择这样宽泛的关键词是不智的，有以下两方面的弊端：
要将这些非常宽泛的关键词排名优化上去，需要投入非常大的金钱成本、时间成本。比如从零开始，做一个“房地产”关键词排名前几位的站点，并保持长期排名稳定的话，估计需要耗费数年的时间、投入几百力．的费用才能看到效果。
即使是网站排到“房地产”搜索的前几名，从房地产公司的角度而言，能确定搜索这个词的用户的目的就是买房子吗？未必。越是宽泛的关键词，搜索者的目的也越不容易判断，由此而带来的有效转化率肯定不会高。正确的做法是根据公司业务、网站主题、内容方向提炼出更精准、更有针对性的关键词。比如房地产公司的主要业务特点是进行“海景别墅”的开发和销售，那就完全可以将“海景别墅”，甚至更精准的“某地海景别墅报价”作为自己网站的关键词。
如果是旅游公司，选择的网站关键词应该是直接的业务项目名称，比如“海南旅游”、“加拿大旅游”等。
总体来说，在关键词选择，精准、具体，有针对性是基本原则之一，太宽泛的关键词往往不能获得很好的效果。http://brand.sh***.cn/yljx/2013/10/23/1872185.html
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