This extension demonstrates semantic information about current page is built on metamug backend. Metamug provides an API PaaS for API creation, API management and hosting. The cloud service helps developers (and non developers as well) manage and build APIs that follow the REST API architecture. A web API built with Metamug's API platform can be a data driven API, designed easily in few clicks through the user-friendly web console interface. API security and API permissions are handled by the platform in order to guarantee security and privacy of data.