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How the Web Works - Coggle Diagram

- - - - host
      - user agent
      - accept
      - accept-encoding
      - connection
      - cache-control
      - request methods
        
        GET
        
        POST
        
        PUT
        
        DELETE
        
        TRACE
        
        OPTIONS
    - - server
      - last-modified
      - content-length
      - content-type
      - content-encoding
      - response codes
        
        200: OK
        
        300: Moved Permanently
        
        304: Not Modified
        
        307: Temporary redirect
        
        400: Bad request
        
        404: Not Found
        
        401: Unauthorized
        
        414: Request URI too long
        
        500: Internal server error
- - - - apache / IIS
      - MySQL, DB2, Oracle
      - PHP, Python, ASP.NET