<!DOCTYPE html>
<html lang="en">
<head>
???<meta charset="UTF-8">
???????<!-- tell the browser what charset to use -->
???<meta http-equiv="Refresh" Content="3;Url=http://www.baidu.com">
???????<!--Turn to baidu three seconds later , but we do not use this-->
???<title>meta</title>
</head>
<body>
</body>
</html>
001_head.html
原文地址：https://www.cnblogs.com/liujun5319/p/9657865.html