Google Sites Popup by Smartarget.online
How to get Smartarget Popup for Google Sites
Sign up on Smartarget.online. Configure your Popup app
Sign up on Cloudflare.com and add your domain.
If you registered your domain with another registrar - Point your domain to Cloudflare. If you don't have a domain, you can buy one with Cloudflare.
On Cloudflare - Add a DNS record CNAME : ghs.googlehosted.com (This will point your domain to Google Sites)
On Cloudflare - Go to SSL/TLS section and change it to 'Full'
On Cloudflare - Go to Rules >> Page Rules >> Modify Response Header: Create the following rule:
All incoming requests
Then... Set Static
Header name: Content-Security-Policy
Value: *.smartarget.online
7. Connect the Smartarget app to your Cloudflare domain.
8. On Google Sites - Publish your Google Site, choose a custom domain.
That's it!
Google Sites Popup is powered by Smartarget.online