Whether the Firefox sidebar can be automatically hidden

Firefox to automatically hide the sidebar, you can install the Optimoz tweaks extension.

　　Brief introduction

Firefox browser (Mozilla Firefox) is a web browser developed by Mozilla, with Gecko Web page typesetting engine, supporting multiple operating systems, open source licensing in multiple licenses, including Mozilla Public License (MPL), GNU General public Licensing terms ( GPL) and the GNU Looser Public License (LGPL), the goal is to create an open, innovative and opportunity network environment.

At present, Firefox in the Global browser market share ranked third, Google browser in November 2011, the official market share more than Firefox browser, leaped second.

For years, Mozilla's plan for Firefox development has been largely designed to make a major functional upgrade to Firefox every two years. January 14, 2010 Mozilla said that in the future will adjust the product release principle, that is, through regular release of the security upgrade mode, for Firefox gradually add new features, such upgrades are published every 6 weeks. January 11, 2012 Morning News, Mozilla is committed to the Firefox browser long-term support version (Extended Support release, hereinafter referred to as "ESR") research and development. This version of the browser is relatively slow to update, 1-year update, not like the normal version of the implementation every six weeks update.