社交媒体优化（英语：Social media optimization）是对网站安装或优化提高社交化媒体功能，

社区媒体优化(Social Media Optimization)简称SMO，社区媒体优化是一种有目的性吸引用户参访网站内容的社区媒体行为及活动方式， 对企业而言，社区媒体优化是增加产品及品牌知觉或借由社区媒体网站发起活动所产生病毒式传播的过程。 其运用范围包含使用RSS Feed、社区新闻、书签网站、社区媒体网站、影片、博客网站等等。

简单而言，社区媒体优化是口碑行销的一种方式，其透过社区标签、社区网络及媒体分享网站(例如YouTube、Flickr)快速传播信息。 社区媒体优化的本质在于网站拥有非常有趣的原创内容，而人们有意愿地参访及链接至这个网站。

Social media optimization (SMO) is the use of a number of social media outlets and communities to generate publicity to increase the awareness of a product, brand or event. Types of social media involved include RSS feeds, social news and bookmarking sites, as well as social networking sites, such as Twitter, and video and blogging sites. SMO is similar to search engine optimization in that the goal is to generate traffic and awareness for a website. In general, social media optimization refers to optimizing a website and its content in terms of sharing across social media and networking sites.