Explore a conference talk detailing the journey of building a responsive BBC News website. Discover how the team tackled the challenges of device proliferation, implemented responsive design principles, and prioritized performance to serve a massive audience. Learn about their approach to browser support, content-first and mobile-first strategies, and the "Cuts the Mustard" test. Gain insights into handling browser differences, optimizing images, using media queries, and managing complexity. Understand the importance of testing, caching with Varnish, and addressing user expectations in a rapidly evolving digital landscape.