Technical FAQ

Canonical URLs are MUST for every Magento store, So the store is not penalized for duplicate content. Thankfully, Magento already has canonical system in place.
Just go to
System > Configuration > Catalog > Search Engine Optimizations
and choose YES for Canonical Link & Meta Tag section.

To enable the Search Engines Friendly URLs in Magento, Just go to
System -> Configuration -> Web

On this page, expand the Search Engine Optimization tab of options and set the Use Web Server Rewrites option to Yes.

Very important for the SEO of your site is having a proper meta title and description for your site. After installation of Magento application, the store will have some sample content for Meta Title and Meta Description. To edit that, Just go to
Configuration -> Design -> HTML Head

Here, simply enter the Meta Title and Meta Description you want for your homepage.