On a website I have implemented the login using OpenID (based on StackOverflow).
But I can\'t seem to logout.
On my host I can logout but when the user tries to logi
That's generally something handled by the OpenID provider - for instance, if the user remains logged into their Google account and checked the box to "remember" the OpenID authorization for your particular site, then the provider will transparently log them in and redirect them back without displaying the login prompt.