Deploying a web application to Vercel involves integrating with GitHub, creating a Vercel project, and utilizing serverless architecture for quick global content delivery. Vercel supports various frameworks, including React and Vue.js, and allows for instant deployment through GitHub, GitLab, or Bitbucket. This tutorial guides users on setting up a Vercel project with a Vue.js application configured with FusionAuth for authentication, explaining how to fork a repository, configure GitHub secrets, and automate deployment via GitHub Actions. Users are also advised on setting up custom environments for testing before production deployment to manage different stages of development effectively. The tutorial emphasizes the importance of cautious deployment practices while highlighting the simplicity of deploying a FusionAuth-secured app to Vercel with a mere git push.