What do you mean by optimism?

When people say Web Site Optimization they mean makingtheir web site as accessible and search-able to search engines as possible It has nothing to do with being optimistic, which is being positive. You can be as positive as you want and your web site won't rank on any of the search engines unless you Optimize it.

Optimizing a web site is making sure a search engine can find it. Intentionally putting keywords in the code of your website to make it more Search engine friendly.