This document introduces JEOBROWSER, a JavaScript tool for viewing Earth observation data. It discusses the need for standards like WMS, WFS, and CSW to make data interoperable and searchable. When combined with technologies from the geographic web, standards can enhance the value of Earth observation data by making it more usable and findable. JEOBROWSER aims to achieve seamless interoperability by allowing users to view different types of Earth observation data in a single web browser application.