Thanks for reporting us the spam post.
Unfortunately we don't have such functionality on the website yet. However, your feedback is always appreciated and you make a valid point that this is a nice-to-have feature. We will have this in mind, when planning the future upgrades for the website.
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items