Mobile firstMobile First, by Luke WroblewskiWeb standardsDesigning With Web Standards 3rd Edition, by Jeffrey ZeldmanAdaptive web designAdaptive Web Design: Crafting Rich Experiences With Progressive Enhancement (Voices That Matter) 2nd Edition, by Aaron GustafsonProgressive EnhancementThe Uncertain Web: Web Development in a Changing Landscape 1st Edition, by Rob LarsenDesigning With Progressive Enhancement: Building the Web That Works for Everyone 1st Edition by Todd Parker, Patty Toland, Scott Jehl, Maggie Costello Wachs ⭐Responsive Web Design, by Ethan MarcotteAccessibilityAccessibility Handbook: Making 508 Compliant Websites, by Katie CunninghamUniversal Design for Web Applications: Web Applications That Reach Everyone 1st Edition, by Wendy ChisholmSite performanceDesigning for Performance: Weighing Aesthetics and Speed 1st Edition, by Lara Callender HoganHigh Performance Mobile Web: Best Practices for Optimizing Mobile Web Apps 1st Edition, by Maximiliano FirtmanGitProGit