This is such an important topic, especially with mobile usage dominating web traffic. The focus on performance optimization and intuitive navigation really stood out—too often, mobile design gets treated as an afterthought. The emphasis on touch-friendly interfaces and fast-loading pages is crucial, and I appreciate the practical tips. One thing I’d love to see expanded is how to balance aesthetics with functionality on mobile; sometimes beautiful designs end up being frustrating to use. Overall, this guide is a great reminder that mobile-first design isn’t just a trend—it’s a necessity.