希望对大家有所帮助：
针对目前搜索引擎进行网站优化的精华要点。
1、尽量以作为代码的开始端，并模块化javascript和CSS，尽量使用include使之 独立与HTML页面。
2、如果网站内容的访问需要会员登陆或者有密码保护，请开放给搜索引擎的Spider或者Robot。
3、如果网站的内容是用PHP，ASP或者JSP等script动态生成的，需要通过Apache的Mod_Rewrite 或PHP的Path_Info进行URL重写和优化，以便做成类似静态页面的URL。如：可以把http://www.domain.com/article?id=123&cat=abc映射成为http://www.domain.com/article/123/abc或http://www.domain.com/article_123_abc.htm。
4、尽量避免不必要的跳转和重定向页面或会产生3xx的类似机制。
5、保持HTML中
标签中的内容与真实文章或内容的标题保持一致，并尽量做到每个页面的唯一性。
</p>
<p>
6、使用<H1>和<H2>标签来表示真实文章或内容的标题和副标题，如果为了保持美观，请使用C SS进行定义。
</p>
<p>
7、尽量保持每个<IMG>标签中有ALT属性，而且最好所有的ALT属性都有内容。
</p>
<p>
8、建立一个结构清晰和有意义的网站导航页面。
</p>
<p>
9、在网站的根目录建立一个robot.txt文件，如果对搜索引擎没有任何特殊要求，则内容为*；或者加入对搜索引擎要求 的一些script。
</p>
<p>
10、尽量不要使用frame结构来呈现网站。
</p>
<p>
11、尽量使网站的代码符合W3C的HTML 4.0或XHTML 1.0规范。
</p>
<p>
12、对网站比较主要的内容或学术文章，尽量转换成PDF格式。因为PDF格式的文件天生的Page Rank就是3。
</p>
<p>
13、尽量使网站的结构趋向于扁平化，最好不要超过3层。
</p> </div>
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