Firefox wants to be like Chrome. I'd rather just keep my old Firefox. Here's the list of fixes to restore or remove some of their blunders:

Disable the “fancy” stuff. These settings can be reached from the special about:config page. I disable these

  • browser.tabs.animate
  • browser.tabs.insertRelatedAfterCurrent
  • keyword.enabled
  • browser.fixup.alternate.enabled

Then some plug-ins: