Similar to Application-Layer_Protocol_Negotiation

• 

  DNS over HTTPS

  DNS over HTTPS
  
• 

  Zstandard

  Zstd
  
• 

  QUIC

  QUIC
  
• 

  Robots Exclusion Standard

  Robots.txt
  
• 

  死亡フラグ (コンピュータ)