What is the domain name?
Have you searched for an answer?
Please share your search results url:
When you tested your domain, what were the results?
domain is working fine.
Describe the issue you are having:
Logout frequently and goes to login page again, my website is on plesk platform.
Was the site working with SSL prior to adding it to Cloudflare?
Have you tried from another browser and/or incognito mode?