Proper use of Keywwords

[surville]

To get on top of Search engine you need to chose the proper and appropriate keyword for your site. In this way you will get traffic to the people who needs that certain information you offer.

[Jordi]

Yes, I agree.
Just to mention a few tips..

Use “wisely” the Meta tags. Do not overuse your keywords or your site will be considered a spamy one for the search engines.
Maintain a “good” keyword density along the site.
Use the keywords in the alt attribute of your images. This is something that many webmasters underestimate. Although, it has been proved to help your site poisoning in the search engines.
And of course, provide good quality at all cost.

[Nosfer]

choosing best keywords for your website is surely a good thing to do but that won't help you gain a higher position in search engine results. for that, you need lots and lots of quality backlinks.

[surville]

Sometime if you already got a good PR using one certain Keyword is good enough to show in search engines. If the keyword is not much taken yet of course.

[cut]

Proper keywords are essential to getting traffic. If you rank in the top 10 for one high traffic keyword you can make so much money just by that one keyword.

[nursehk]

Yes using of proper keywords would increase the chance of your optimization to be successful especially when you use common words that people searches everytime they are on the net. It really helps.