The best way to choose keywords for your site is to think about what prospective customers would type in if they were looking for the product, service, or topic you are writing about. There is no foolproof plan as to how you should select keywords to your site, but there are tools that can show you which keywords are most searched and how much competition there is.
The Google AdWords Keyword Tool all have the potential to help you to discover which search terms are being typed into search engines.
While some keyword tools are free and others require a monthly subscription, all of them may be able to help you determine what keywords could help yield the most traffic for your site. Although traffic does not guarantee ad clicks, the more traffic you get the more people will be exposed to the ads on your post.
Using keywords to help your Snipsly posts get noticed is extremely important in terms of search engine optimization.