Joomla is standard already working on the Technical Part of Search Engine Optimization.
However well this works with some patches and a Component that makes the Output URL’s much more Search Engine and User friendly, this is NOT what Seo is about.
Seo is working on the experience that users and search engine spiders like to have when visiting your website…..
So You see, your website isn’t about you….
It is about what your visitors want in term of information and how to read it.(period)