The Sentinel Web Information Service (SWIS) is the service providing up-to-date information about the Copernicus Sentinels missions to end users. It consists of the following main portals:

•  Sentinel Online: the main entry point for people interested in actual facts of the Sentinels missions. It collects the latest news, maintenance news, the upcoming congresses and events, an overview of the Copernicus Ground Segment and Expansion Missions, as well as a dedicated section presenting the key persons of the programme
• Success Stories: the portal collecting the most important applications of Sentinel data, presented in the form of short stories, and accompanied by high-quality images
• SentiWiki: the official technical guides for both beginners and advanced users. The SentiWiki pages collect in an organized way all the technical information about each Copernicus Sentinels missions, including (but not limited to): the purpose of the mission, the history behind, the orbital and satellite characteristics, the description of the satellite sensors, the acquired products and the relevant applications and the processing algorithms permitting to create those products. In a dedicated section, named “Document Library”, the full collection of the technical documentation of each mission is available for download. This section includes also the full set of Data Quality Reports, Acquisition Plans, the Mission Status Reports, and any other document of potential interest for end users.

Since November 2023, all the SWIS portals underwent a deep renewal and re-organization, meant to present the complex technical information about the Copernicus Sentinels missions in a clear, accessible and appealing way, chasing the maximum benefits for the users’ community.