Get started by understanding the basics by Dan Saffer in this presentation
→ The Future Of UX Design: Tiny, Humanizing Details
Call to Action Buttons: Examples and Best Practices — Smashing Magazine
An old but still relevant article. Provides in-depth knowledge with a lot of examples.
An Easy to use guide on Design Principles. Includes principles for web, mobile, UI, UX, Product, usability and others. Useful for beginners and experienced designers alike.
Email Design Guide
A comprehensive guide on email design. Provides in-depth information on how to use images, fonts and more
What Is Microcopy and How Can It Help Your Website — SiteProNews
This article summerises on how Microcopy can help you achieve the purpose of your website