Explore the latest and most effective options for web images to significantly reduce website size without compromising quality in this RailsConf 2023 talk. Learn how next-gen images can impact website loading times, user conversion, and SEO. Discover challenges faced when integrating next-gen images into a Rails project and their solutions. Gain insights into a new gem that streamlines the process of using WebP images with Ruby on Rails. Understand the importance of optimizing image loading, which accounts for nearly 50% of website load time and affects conversion rates. Follow along as the speaker covers web image basics, motivation for optimization, real-world examples, image tags, problems, solutions, and implementation options, including a Picture Tag Helper.