This plugin is NOT a simple drop-in, it is expected you have some understanding of what an ElasticSearch server is and how it works. The goals/features of this plugin are: Replace default wordpress search functionality with that of an ElasticSearch server. Ability to specify what data points should be indexed and what the relevancy of those points are. Fall back to default wordpress search if ElasticSearch server is not responsive. Update ElasticSearch server when posts are removed/added/unpublished. Provide a faceting API for building your own custom searches Please submit bugs or contributions to the github location and not on wordpress’ system: https://github.com/parisholley/wordpress-fantastic-elasticsearch/ API/filter/faceting documentation can be found on the wiki: https://github.com/parisholley/wordpress-fantastic-elasticsearch/wiki