A detailed conference write-up from performance.now() 2018 in Amsterdam, covering 16 talks across two days. Key themes include JavaScript performance and third-party script management (Steve Souders, Harry Roberts), UI rendering and jank avoidance (Anna Migas), font loading strategies (Zach Leatherman), HTTP/2 and networking protocols (Natasha Rooney, Yoav Weiss), image optimization (Kornel Lesiński), Progressive Web Apps challenges (Jason Grigsby), progressive enhancement (Scott Jehl), and organizational performance culture at Pinterest (Michelle Vu). Recurring topics include resource hints (preload, preconnect), HTTP/2 best practices, performance metrics (First Paint, First Input Delay, RUM vs synthetic data), and the importance of tying performance improvements to business outcomes.
