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HTML头部标记_html/css_WEB-ITnose

时间:2021-07-01 10:21:17 帮助过:22人阅读

HTML头部标记放在中,一般包括标题、基底信息、元信息等。

当前文档的URL全称(基底网址)

设定基准的文字字体、字号和颜色

显示在浏览器左上方的标题内容(标签卡上) </p> <p><isindex> 表明该文档是一个可用于检索的网关脚本,由服务器自动建立 </p> <p><meta> 有关文档本身的元信息,如用于查询的关键字、获取该文档的有效期等 </p> <p><style> 设定CSS层叠样式表的内容 </p> <p> 设定外部文件的链接 </p> <p><script> 设定页面中程序脚本的内容 </p> <p>meta元素的属性有两种,name和http-equiv,其中name属性主要用于描述网页,以便于搜索引擎查找和分类 </p> <p><meta name="keyword" content=""> </p> <p><meta name="description" content=""> </p> <p><meta name="generator" content=""> //设置编辑软件的名称 </p> <p><meta name="author" content=""> </p> <p><meta name="robots" content=""> //限制搜索方式 </p> <p>搜索方式: All(可搜索当前网页及其链接的网页)、Index(表示能搜索当前网页)、Nofollow(表示不能搜索当前网页链接的网页)、Noindex(表示不能搜索当前网页)、None(表示不能搜索当前网页及其链接的网页) </p> <p>设置网页文字和语言的两种方法: </p> <p><meta http-equiv="Content-Type" content="text/html;charset=字符集类型"> <meta http-equiv="Content-Language" content="语言"> </p> <p>在该语法中,http-equiv用于传送HTTP通信协议的标头,两种方式的content不一样,第一种charset=utf,而第二种方式的语言是zh_CN形式。 </p> <p><meta http-equiv="refresh" content="跳转时间;url=链接地址"> //跳转时间的单位是秒 </p> <p><meta http-equiv="expires" content="到期时间"> //到期时间必须是GMT格式的:星期 日 月 年 时 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