This is NOT Firefox browser. ESPECIALLY and STRICTLY for Mozilla Firefox Developers who develop extension, add-on, themes or apps for Firefox web browser.A reference guide to Mozilla Firefox developer. Field summary and details for Firefox extension’s Install Manifest file install.rdf are listed below as per catagory.Features:1. Extension developer FAQ.2. ‘Hello Extension’ Firefox configuration page.3. Firefox usage stats.4. Firefox market share.5. Gecko versions.6. Lists 20+ distribution channels for Firefox extensions, Apps, themes and add-ons.7. Javascript performance statistics on different browsers.Languages Supported:1. English.2. Portuguese.3. Indonesian.