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I have a Google+ account and the "g+1" button on my toolbar.
For most web pages the button is enabled and I can, should I so wish, show my "love" for the page by clicking it.
However, there are some pages where the "g+1" button is disabled.
Is this something Google decides or is there a code web developers can include on their pages that disables the button?
The Google +1 Button extension disables itself on HTTPS sites that have query params (?foo=bar).
Today, we’ve removed functionality from the button when you visit https sites with query parameters. This means the +1 button will be grayed out and be unclickable when you visit sites that (a) start with “https://”, and (b) contain the characters “?” or “;” in the URL.
The reason is because some sites grant access to private data based on tokens in the URL and Google doesn't want users to publish those tokens publically.
