The user experience of the Frontend Cloud

What this post added

This post details how Vercel's Frontend Cloud leverages its Edge Network to provide both speed and personalization. It explains the importance of speed for business metrics and SEO, and how dynamic personalization drives customer loyalty. The post elaborates on the concept of a CDN and its limitations for dynamic content. It then introduces Vercel's Edge Network as a solution that goes beyond static caching by asynchronously computing and granularly caching dynamic user requests. It highlights Incremental Static Regeneration (ISR) as a key mechanism for component-level caching and faster build times, and describes the lifecycle of a user request within the Edge Network, detailing caching at per-proxy, regional, and origin levels, as well as within serverless functions.