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You're right. Opera had tabbed browsing before Firefox existed, and Firefox had tabbed browsing before Chrome existed.

• wavefunction 5y ago
  I could be wrong but it looks like Opera introduced tabs in 2009 with v10.5 while Firefox's first release was in 2002. Unless we're referring to different things.
  • xorcist 5y ago
    That's not right. Opera had tabs in version 4, released in early 2000. Some people apparently think tabs has to be drag-and-droppable, which Opera had in 2003, in order to be called tabs: https://allthatiswrong.wordpress.com/2011/01/14/opera-did-not-invent-tabbed-browsing/ https://allthatiswrong.wordpress.com/2011/01/14/opera-did-no...
  • meekaaku 5y ago
    No. Opera from early 2000s atleast had tabbed browsing. It also had gestures, paste-and-go, open non-hyper plaintext links in tab etc.