HTML Meta Tags

META tags:

• <META HTTP-EQUIV="name" CONTENT="content">
• <META NAME="name" CONTENT="content">

META tags should be placed in the head of the HTML document, especially important in documents using FRAMES.

• Content-Type
  <meta http-equit="Content-Type" content="text/html; charset=UTF-8">


• Cache-Control
  <meta http-equit="cache-control" content="no-cache">


• Pragma
  <meta http-equit="pragma" content="no-cache">


• Refresh
  <meta http-equit="REFRESH" content="15;URL=http://www.google.com">


• Keywords
  <meta name="keywords" content="keywords">


• ROBOTS or Robots
  Controls Web robots on a per-page basis.

Reference:
Useful HTML Meta Tags
A Dictionary of HTML META Tags