One of the better Firefox extension I have come across lately is CSS Sync. It’s a simple extension that reloads the CSS files of the currently loaded page every second. Why is this useful? If you are editing CSS in your favorite editor, when you click save and go to your browser to test, the CSS will already be applied. Of course you need to click a toolbar button to start a CSS Sync session and can also stop it when you’re done!

Just in case you need reminding - 11 Best Practices for URLs. It’s nice to see the SEO community giving some great advice.