How to remove not secure from a website to remove another secure from site

Greetings, Judy.

Welcome to the Apple Support Communities. We can understand why you’d want to learn about the “Not Secure” warning that you may see while browsing. 

Take a look at this information: If you see a "Not Secure" warning while browsing the web with Safari

Don’t hesitate to reach back out if you have any questions. 

Warmly.