You want your website be searched by the public. One of the most important factor to accomplish that goal is to manually key in keywords on each page.

Easy web also provide system generated keyword for each page. But on top of that, you should manually key in keywords that are particular related to the web page itself, not the whole website.

Nowadays, search engines (i.e. google, yahoo) are intelligent enough to filter out none relevant web pages. Therefore, keywords should be placed in as relevant as possible.