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Web and HTTP (HTTP (Cookies allow sites to keep track of users (A cookie…

- - - - Request line
        
        Method (GET, POST, PUT, DELETE)
        
        URL
        
        HTTP version
      - Header lines
        
        Host:
        
        Connection:
        
        User-agent:
        
        Accept-language:
      - Entity body
    - - Status line
        
        HTTP version
        
        Status code
        
        Status message
      - Header lines
        
        Connection:
        
        Date:
        
        Server:
        
        Last-modified:
        
        Content-Length:
        
        Content-Type:
  - - - The request message uses the GET method
      - The request message includes an If-Modified-Since: header line