Those redirects deliver a 302 or 301 code, which usually tells search engines to index your error page at many different URLs.
此类重定向提交的是302或301代码，通常这会告诉搜索引擎将你的错误页跟许多不同的URL一起索引起来。
Sitemap XML validator checks your site map for valid XML code so you can correct errors before you submit it to search engines.
SitemapXML验证器检查有效 XML代码的站点地图，以便您可以先纠正错误，然后再提交到搜索引擎。
Wrappers are made up of software code that's targeted to do specific things with the data enclosed within them, such as helping to define queries for search engines.
包装器是由软件代码组成，其目标是利用与这些代码包装在一起的数据完成某些具体事情，如帮助搜索引擎定义查询。
Those search engines can also more clearly find common words throughout your document without having to filter through code.
查找引擎不需求过滤代码就能够找到将全部文档的通用关键字。
META tags are HTML code that enable the search engines to determine what keywords are relevant to a specific site.
META标签是能够帮助搜索引擎确定网站要害词的HTML编码。
Those search engines can also more clearly find common words throughout your document without having to filter through code.
搜索引擎不需要过滤代码就可以找到将整个文档的通用关键字。
Those search engines can also more clearly find common words throughout your document without having to filter through code.
搜索引擎不需要过滤代码就可以找到将整个文档的通用关键字。
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