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HTTP stands for Hyper Text Transfer Protocol and is the protocol used to transfer information around the World Wide Web.

HTTP is just one communications protocol on the web. Others include:

  • Transmission Control Protocol (TCP)
  • User Datagram Protocol (UDP)
  • Internet Control Message Protocol (ICMP)
  • Post Office Protocol (POP3)
  • File Transfer Protocol (FTP)
  • Internet Message Access Protocol (IMAP)

HTTP on Wikipedia

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