Firefox add-on statistics (Sep 2024)

Last updated: 2024-09-07

How many Firefox add-ons are in Firefox Browser Add-ons:
38,931
How many Firefox themes are in Firefox Browser Add-ons:
95,103

About Firefox Browser Add-ons

The Firefox Add-on Store is an online portal created by Mozilla, aimed at enhancing the functionality and personalization of the Firefox web browser. Established to serve users' growing needs, the Firefox Add-on Store offers an extensive collection of add-ons, themes, and extensions that can be conveniently installed to improve the browsing experience. The store provides both free and premium content, catering to a wide range of user preferences and requirements.

Firefox extensions are compact software programs that expand the capabilities of the Firefox browser, integrating additional features and services directly into the browser environment. These extensions span various categories, from productivity tools like password managers and ad blockers to entertainment utilities such as video downloaders and game enhancements. By leveraging the power of extensions, users can tailor their Firefox browser to perform specific tasks efficiently, making their online activities more streamlined and enjoyable.

In addition to extensions, Firefox themes allow users to modify the visual aesthetics of their browser. Themes can change elements like the browser's color scheme, toolbar icons, and background images, reflecting the user's personal taste or mood. By selecting from a diverse range of themes, users can ensure that their browsing environment is not only functional but also visually engaging. Through a combination of extensions and themes, the Firefox Add-on Store empowers users to create a browsing experience that is uniquely their own, fully customized to their needs and preferences.

Firefox add-on on Firefox Browser Add-ons over time

The graph, updated as of 2024-09-07, shows the number of available Firefox add-on on Firefox Browser Add-ons over time.

Firefox themes on Firefox Browser Add-ons over time

The graph, updated as of 2024-09-07, shows the number of available themes on Firefox Browser Add-ons over time.

Active user distribution of Firefox add-ons

The following graph shows the distribution of active users for all Firefox add-ons:

Development of active users since Firefox add-on launch date

To see how active users grow after Firefox add-on launch, we performed an analysis of all add-ons on Firefox Browser Add-ons. For all add-ons launched in a certain month, we determined which percentage of them had more than 1,000 and 10,000 active users. This analysis is updated daily. The following graph shows how the percentage of add-ons that reaches each of those download milestones develops over time after launching the add-on:

Active users per add-on since launch date

Rating distribution for Firefox add-ons

Firefox add-on ratings are a key metric that reflects user satisfaction and the overall quality of a Firefox add-on. These ratings range from one to five, where five stars indicate exceptional performance and user satisfaction, while one star points to significant issues or shortcomings. Users must have installed a Firefox add-on to rate it and leave reviews, sharing their experiences and providing feedback that can help other potential users decide whether to install the extension. These ratings also serve as valuable input for developers, guiding them to make improvements and address any issues.

Average rating distributions

Rating count distributions

Update frequency for Firefox add-ons

The "Last Updated" time for Firefox add-ons is a crucial piece of information displayed on each add-on's Firefox Browser Add-ons page. This timestamp indicates the most recent date the add-on was updated by its developers, providing users with an idea of how actively the add-on is being maintained and improved. Regular updates often signify that developers are actively squashing bugs, enhancing security, and adding new features, which can significantly improve the user experience. Conversely, extensions that have not seen updates in a long time might be outdated, potentially less secure, or incompatible with the latest versions of Firefox.

Last updated distributions