确定几个核心关键词及组合，关键词以3-5个为宜，最好不要超过15个，以避免堆砌之嫌。描述是网站的简短说明，含有关键词。

The keywords meta (keywords) and descriptions (description): identification of a few core keywords and combinations of key words suitable to 3-5, best not more than 15 to avoid piling up the horse. Description is a brief description of the site, containing key words.

　　如果每个主要页面的内容相差很大，则应根据网页内容不同而改变title和meta标籤，不要全部网页都採用首页的标题和标籤。网页文本内容需出现该页关键词，关键词密度在3%-7%之间。太多有堆砌之嫌。

If each of the main page content varied widely, it should be different according to content and meta tags to change the title, not all pages are using the home page title and tags. Web page text appears necessary keywords, keyword density is between 3% -7%. Too many have piled up the horse.

　　搜索结果页面在连结标题之后显示的描述文字一般是搜寻引擎在本页正文中最先抓取到的含有关键词的那段文本。据说通常在网页左上角方向出现这段文字最有利。

Search results page after the title appears in the link text is generally described in the page search engine to crawl into the body of the first period of the text containing keywords. Said usually the upper left corner of the page this text appears the most favorable direction.