Customers frequently as why they cannot add a certain webpage as an webpage activity 

Many websites, including popular ones like google.com or apple.com, don’t allow embedding in external applications due to their own security policies. 

If you’re attempting to embed a webpage that belongs to your organization, here’s what to do:

For any organization-owned websites, you’ll need to contact someone from your website admin, IT, or Security team. They can adjust the site’s settings to allow embedding, granting permission for the page to display within Gainsight CE.

For publicly accessible but non-owned websites,

(like google.com or apple.com), embedding may not be possible due to their own security restrictions.