ssi certificate

You can SSL your Sitebuilder Plus website by following this article:
Can I Secure My Homestead Website With HTTPS?
https://community.homestead.com/conversations/sitebuilder-plus/can-i-secure-my-homestead-website-with-https/5f2a9b1658180958845a60de
If you're having trouble with the Cloudflare setup, you can always call for assistance at 1-800-710-1998.

MAKE YOUR Websitebuilder WEBSITE SECURE?
Follow the steps: https://homesteadssl.com/. If you're having trouble with the Cloudflare setup, you can always call for assistance at 1-800-710-1998.