舉例熟悉網(wǎng)頁的頭部信息表示涵義
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd"><!--文檔類型-->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><!--設(shè)置網(wǎng)頁的文件編碼-->
<meta http-equiv="expires" content="2008/10/15 18:00:00"><!--脫機(jī)瀏覽的過期時間-->
<meta http-equiv="pragma" content="no-cache"><!--禁止網(wǎng)頁從緩存中讀取-->
<meta http-equiv="Refresh" content="5;http://www.jb51.net"><!--網(wǎng)頁重新定向-->
<meta http-equiv="set-cookie" content="2007/10/18 18:00:00"><!--設(shè)置網(wǎng)頁的cookie過期時間-->
<meta http-equiv="Window-target" content="_top"><!--設(shè)置網(wǎng)頁中鏈接的目標(biāo)窗口-->
<meta http-equiv="Page-Enter" content="revealTrans(duration=1000000,transition=50000000)"><!--設(shè)置網(wǎng)頁的打開效果-->
<meta http-equiv="Page-Exit" content="revealTrans(duration=1000000,transition=50000000)"><!--設(shè)置網(wǎng)頁的關(guān)閉效果-->
<meta name="keywords" content="web,jb51,webdesign"><!--設(shè)置網(wǎng)頁的關(guān)鍵字,搜索的時候優(yōu)先?。?!重要!?。?該數(shù)據(jù)被搜索引擎編入索引-->
<meta name="description" content="哈哈哈哈哈"><!--插入描述 搜索時被搜索引擎編入索引-->
<title>標(biāo)題一定不要少?。EO很有用的!</title>
</head>
<body>
aaa
</body>
</html>