Once your proxy is live, you'll want to verify that it's working correctly.
Some modern websites use strict security headers that break when rendered through a proxy. You can use response middleware to strip or alter security headers to prevent breakage. Troubleshooting Common Errors 504 Gateway Timeout
: Vercel handles OPTIONS or POST requests rigidly in certain regions.
A personal browsing proxy that you host privately, not shared publicly, for your own occasional use. node unblocker vercel
Would you like a or help with adding password protection to your proxy?
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This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Once your proxy is live, you'll want to
This is probably the most common legitimate use case. You're building a web application that needs to call an external API. That API doesn't set appropriate CORS headers, so your browser blocks the request. A Node Unblocker proxy running on Vercel can forward those requests with properly configured CORS headers, solving the problem cleanly.
This approach is dramatically simpler than a full Node Unblocker deployment, but it's also much less flexible. You can't rewrite HTML content, handle dynamic relative links, or proxy arbitrary user-entered URLs.
next(); );
Vercel subdomains ( .vercel.app ) can sometimes face regional ISP blocking if abused. Bind a custom domain name to your Vercel project to ensure stable access.
const server = app.listen(process.env.PORT || 8080); server.on('upgrade', unblocker.onUpgrade);
If you would like to customize this deployment further, please let me know: What specific are you trying to proxy? Troubleshooting Common Errors 504 Gateway Timeout : Vercel