Follow this steps to add keywords to your website.
1. Open a text editing program, like notepad wordpad etc.
2. Log in to the Web hosting account provided to you by your hosting provider.
3. In the text editor, open the Web page you want to add the meta tags to.
4. In the portion of the file, insert the keyword. For example:<meta name="keywords" content="keywords">
5. Save the file.
6. Upload the Web page to the server.