Found these to be a very useful web design sites with excellent tutorials:

• Web Design blog.
• Sitepoint
• Smashing mag
• Creative Blog
• UX Mag
• UX Apprentice very useful website to help improve the process to create a kick ass

CanIUse.com is helpfully for working out which browsers support CSS properties, HTML5 elements, SVG and more browser related quirks.

Directories

• You can submit Url to the best of the internet directory.