Optimization of posting in social networks using content delivery preferences comprising hashtags that correspond to geography and a content type associated with a desired time window

Embodiments of the disclosure relate to optimizing postings in a social network. Embodiments include receiving content delivery preferences that correspond to a geography and an optimal time window for the geography from a content provider. Embodiments also include adjusting the content delivery preferences to create optimized content delivery preferences. Embodiments further include receiving a post to the social network from the content provider at a posting time and determining if the posting time is within the optimal time window for the geography. Based on a determining that the posting time is within the optimal time window for the geography, embodiments include delivering the posting to one or more users in the geography targeted by the posting corresponding to the optimal time window.