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Mozilla applications render web pages incrementally - they display what's been received of a page before the entire page has been downloaded. Since the start of a web page normally doesn't have much useful information to display, Mozilla applications will wait a short interval before first rendering a page. This preference controls that interval.

Possible values and their effects

The number of milliseconds to wait before first displaying the page. (Default: 250)


  • This preference does not exist by default.

Recommended settings

Lower values will make a page initially display more quickly, but will make the page take longer to finish rendering. Higher values will have the opposite effect.

First checked in

2001-04-25 by David Hyatt

Has an effect in

  • Netscape (all versions since 6.1)
  • Mozilla Suite (all versions since 0.9)
  • Phoenix (all versions)
  • Firebird (all versions)
  • Firefox (all versions)
  • SeaMonkey (all versions)

Related bugs

Related preferences