How long ago was your business's website created? When was the last time it was updated? A website is like any other piece of technology in that it becomes dated after about 5 years.
Is your business still running on Windows Server 2012 or 2012 R2? According to Microsoft (https://learn.microsoft.com/en-us/lifecycle/announcements/windows-server-2012-r2-end-of-support), support for these servers will end on October 10th, 2023.