HTTP 1,2,3 | HTTPs

HTTP/1.0

• 1996
• Features
  • Request-Response Model
  • Stateless
  • Connection

HTTP/1.1

• 1999

• Features

  • Persistent Connections
  • Pipelining
  • Additional Headers

• Limitations

  • Head Of Line Blocking
  • Limited Multiplexing

HTTP/2

• 2015

• Features

  • Binary Protocol
  • Multiplexing
  • Header Compression
  • Stream Prioritization
  • Server Push

• Advantages

  • Reduced Latency
  • Efficient Use of Connections

HTTP/3

• 2020
• Features
  • Based on QUIC
  • UDP Based
  • Built-In Encryption
  • Stream Multiplexing
• Advantages
  • Faster Connection Establishment
  • Improved Resilience