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Rather than wait until a page has completely downloaded to display it to the user, Mozilla applications will periodically render what has been received to that point. Because reflowing the page every time additional data is received greatly slows down total page load time, a timer was added so that the page would not reflow too often. This preference specfies whether that timer is active.

Possible values and their effects


Don't reflow pages at an interval any higher than that specified by content.notify.interval. (Default)


Reflow pages whenever new data is received.


  • This preference does not exist by default.
  • Setting this preference to true will greatly increase rendering time on high speed connections.

First checked in

1999-12-03 by Vidur Apparao

Has an effect in

  • Netscape (all versions since 6.0)
  • Mozilla Suite (all versions since M11)
  • Phoenix (all versions)
  • Firebird (all versions)
  • Firefox (all versions)
  • Minimo (all versions)
  • SeaMonkey (all versions)

Related bugs

Related preferences