Is the add-on useful to an appropriately wide portion of Firefoxs users?
Your add-on doesn’t need to be the next Greasemonkey or Firebug, but if it is only useful to people at your company or who are part of a small web community, we may feel that it’s not yet appropriate to put it in front of all of our users. We are constantly looking at ways to improve the organization of the site to better accommodate add-ons that are exemplary in other ways, but are aimed at only a small community of potential users. Correctly categorizing and maintaining the metadata of your add-on will help us figure out how we can surface more of those sorts of add-ons to people who are most likely to benefit from them. If your add-on just provides bookmarks or other simple access points to your site, it’s probably not appropriate for the gallery. Like the rest of the Mozilla project, we love web applications and new web services, but Firefox add-ons should provide an improved browsing experience for the user and not just be a way to promote a new site or service through a Mozilla A
