The extension checks for correct use of meta tags, presence of a title, headings, and other relevant criterions for optimal search engine optimization.

核查元标记的正确使用，存在的题目，标题，和其他相关的最佳搜索引擎优化标准。

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Trying to trick a search engine by including hidden fields, or overloading it with meta tags with particular keywords, causes the search engine to ignore the page and the site.

如果在页面中使用隐藏字段，或使用带有特殊关键词的元标记重载页面，搜索引擎将忽略该页面及其站点。

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The description meta-tag is used to present information that people may see when the search engine displays the site in a list among all other similar sites.

描述元标记是用来提供信息，人们可以看到当搜索引擎显示网站中的所有其他同类网站中的列表。

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Kayak, a so-called meta search engine for the travel industry, has come out of nowhere and grabbed market share from the big online agencies.

FORBES: Travel Web Sites Get Personal