1.给图片加上alt属性:
2.给所有属性值加引号,不同属性之间用引号分开:
3.关闭所有标签
4.收藏夹小图标
首先制作一个16x16的icon图标,命名为favicon.ico,放在根目录下,然后将下面的代码嵌入head区:
使用robots.txt管理搜索引擎搜索内容
站点作者信息
站点版权信息
站点简介
站点的关键字
5.css定义字体:
body{font-family : "Lucida Grande",Verdana,Lucida,Arial,Helvetica,宋体,sans-serif;}
Lucida Grande字体适合Mac OS X
Verdana字体适合所有的Windows系统;
Lucida适合UNIX用户
"宋体"适合中文简体用户
6.定义链接样式(注意定义的先后顺利不能出错,否则显示的效果有可能不同):
6.所有标签的元素和属性的名字都必须使用小写
DreamVeaver自动生成的"onMouseOver"必须全部修改为"onmouseover"
7.记住特殊符号的编码表示:
& &
空格
8.给所有属性值赋一个值
9.定义横向菜单的关键:
定义
去掉黑点:list-style:none;
10.横向居中:
#divName{
width:760px;
margin:0 auto;
}

TheroottaginanHTMLdocumentis.Itservesasthetop-levelelementthatencapsulatesallothercontent,ensuringproperdocumentstructureandbrowserparsing.

The article explains that HTML tags are syntax markers used to define elements, while elements are complete units including tags and content. They work together to structure webpages.Character count: 159

The article discusses the roles of <head> and <body> tags in HTML, their impact on user experience, and SEO implications. Proper structuring enhances website functionality and search engine optimization.

The article discusses the differences between HTML tags , , , and , focusing on their semantic vs. presentational uses and their impact on SEO and accessibility.

Article discusses specifying character encoding in HTML, focusing on UTF-8. Main issue: ensuring correct display of text, preventing garbled characters, and enhancing SEO and accessibility.

The article discusses various HTML formatting tags used for structuring and styling web content, emphasizing their effects on text appearance and the importance of semantic tags for accessibility and SEO.

The article discusses the differences between HTML's 'id' and 'class' attributes, focusing on their uniqueness, purpose, CSS syntax, and specificity. It explains how their use impacts webpage styling and functionality, and provides best practices for

The article explains the HTML 'class' attribute's role in grouping elements for styling and JavaScript manipulation, contrasting it with the unique 'id' attribute.


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