Vercel is a cloud platform that helps developers build, deploy, and scale modern web applications quickly and efficiently. It provides an optimized hosting environment for frontend frameworks like Next.js (which it created), as well as other React, Vue, Angular, and static site projects. Vercel automates workflows for continuous deployment, edge caching, and serverless functions, so developers can push code changes and see them live almost instantly. Its focus is on performance, collaboration, and simplicitymaking it easy for teams to preview every pull request, collaborate on design and development, and deliver fast, reliable experiences to users worldwide.