"functions": "api/index.js": "includeFiles": "node_modules/**"
Despite its benefits, Vercel has strict limitations. Serverless functions have (usually 10–60 seconds depending on the plan), which can cause issues when proxying large files or slow-loading websites. Additionally, since Vercel uses dynamic IP addresses for its functions, some target websites may flag or block these requests as bot traffic. Conclusion node unblocker vercel
Most users don't write the implementation from scratch. Instead, they use community-maintained templates. "functions": "api/index