ERR_SSL_PROTOCOL_ERROR on default Netlify subdomain (*.netlify.app)

Support
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1

Hi Netlify Support,

I’ve deployed a few projects via GitHub onto Netlify using the default *.netlify.app subdomains (no custom domains yet). Although the deployment logs show success and the project builds without error, when I try to open the site, I consistently get this error:

This site can’t provide a secure connection.
eatwellui.netlify.app sent an invalid response.
ERR_SSL_PROTOCOL_ERROR

Here’s what I’ve tried so far:

  • Re-deployed the project manually
  • Created a brand-new site with a different name
  • Waited over 10 minutes after deploy
  • Cleared browser cache, tried incognito mode
  • Switched browsers and even networks
  • Tested on different devices
  • No custom domain attached, only default Netlify subdomain

It seems like SSL certificate provisioning is not working for the Netlify subdomain.

Example site URL:
https://eatwellui.netlify.app

Can you help me identify the issue, or manually provision the SSL certificate if needed?

Thanks in advance,
Burcu Taş

2

I’ve routed this request to our helpdesk, we’ll follow up via email.

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