14 results for tag “extensions”
Choosing a Firefox version for extension development
Choose a Firefox version for web extension development Firefox provides several versions that offer different capabilities for developing web extensions. This article provides an overview of the differences among these versions of Firefox and recommends how to use each in the development lifecycle. Contents...
User experience best practices
User experience best practices You want to make sure your users have a great experience using your extension—when you do, the good reviews and ratings will follow on addons.mozilla.org (AMO) If you are new to the subject of making software usable, a good place...
Testing persistent and restart features
Testing persistent and restart features When testing your extension, you may notice that some features reset themselves or stop working when you load an updated version or after you restart Firefox. For example, you may be using local storage and notice that previously saved...
Test permission requests
Test permission requests Your extension may contain two types of permission request: install time and runtime permission requests. This page explains how you can test the way your users will see requests for these permissions. Contents Permission grant behavior during testingObserve or verify install...
Best practices for collecting user data consents
Build an accessible extension
Accessibility guidelines When it comes to accessibility, extensions should follow the same guidelines as websites. However, extensions have unique features that deserve consideration when designing for accessibility. Here is a breakdown of extension features and how they should be used to make an extension...
Third Party Library Usage
Third Party Library Usage To complete the review process at addons.mozilla.org (AMO), reviewers must be able to verify the code in your extension. You may include third-party libraries in your extension. In that case, when you upload your extension to AMO, you will need...
Browser compatibility Contents NamespaceAsynchronousAPI CoverageManifest keysMore information While work continues to standardize the APIs used for browser extension development, there remain differences between Chromium-based browsers—such as Chrome, Opera, and the Chromium-based Microsoft Edge—and Firefox. These differences, summarized on this page, include: Namespace: In Chromium-based...
Request the right permissions
Requesting the right permissions Or how to avoid permissions discouraging users from installing your extensions. Contents IntroductionAdvised permissionsAvoid unnecessary permissionsRequest permissions at runtimeAdd information about permissions to your extensions AMO page Introduction With the introduction of Firefox Quantum (57) the handling of permissions when...
Developer accounts Developer accounts for addons.mozilla.org are integrated with Firefox Accounts, which lets you access and manage multiple Mozilla services from one account. You can manage your Firefox Account from accounts.firefox.com/settings. Contents Setting a display nameBlocked accounts Setting a display name It’s important to...
Source code submission
Source code submission To complete the review process at addons.mozilla.org (AMO), reviewers must be able to read the code in your extension. Some build processes render extension code difficult to read. These processes include minifying your code, as well as the use of module...
What does review rejection mean to users?
What does review rejection mean to users? This article explains how users and people looking for your extension are affected should you get a rejection from the Mozilla review process. Contents Review overviewImpact of review rejectionBlocklisting Review overview Any extension you submit to addons.mozilla.org...
Firefox workflow overview
Firefox workflow overview Prepare Code Publish* Enhance Retire Choose a Firefox version for web extension development Code your extension Package your extension with web-ext build Responded to Mozilla extension review Retire your extension Choose your IDE or code editor Run your extension with web-ext...
Build a secure extension
Security best practices Here is a list of best practices you should follow to keep the users of your extension safe. If you don't follow these best practices your extension may fail the reviews on addons.mozilla.org (AMO), preventing you from distributing your add-on or...