Introduction ============ This is the Usage Guide of the View Server (VS). The intended readers are users of the web client shown below and external services provided by the View Server. These provided external services are services for searching, viewing, and downloading of Earth Observation (EO) data. Services endpoints optimized for performance as well as for flexibility are provided alongside each other. .. figure:: images/webclient_start.* :alt: Web Client *Web Client* Continue reading to understand the details of the provided :ref:`web_client`.