Hashtags are used on most social channels to add keywords or categories in posts and to attempt to unite conversations on the same topics. However, how to using them effectively varies by channel.
- Twitter: According to Buddy Media, tweets with hashtags get two times more engagement than tweets without. Buddy Media’s research also showed one or two hashtags appear to be the max.
- Instagram:Interactions are highest on Instagram posts with 11+ hashtags.
- Facebook: Hashtags don’t seem to help with engagement on Facebook, and some preliminary studies indicate they may even decrease it.
- Google+ gives your posts are given hashtags automatically based on their content, and you can also edit them or add your own.