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Components of a Web GIS application

There are some essential elements in Web GIS:

  1. The server has a URL so that clients can find it on the web.
  2. The client relies on HTTP specifications to send requests to the server.
  3. server performs the requested GIS operations and sends responses to the client via HTTP.
  4. The format of the response sent to the client can be in many formats, such as HTML, binary image, XML (Extensible Markup Language), or JSON (JavaScript Object Notation).