You can get related post based on user behavior. This plugin uses UCB algorithm. https://en.wikipedia.org/wiki/Multi-armed_bandit http://techlife.cookpad.com/entry/2014/10/29/102036 https://support.google.com/analytics/answer/2844870?hl=ja At least PHP5.4 is needed. 日本語の説明 This plugin needs PHP5.4 or higher.