Tab Tally EN
Paul Morris · Firefox
Displays how many tabs are open. The count includes tabs from all windows. Also indicates how many tabs actually have content loaded in them – for example, after restarting Firefox.
截图
简介
It is very easy to open more tabs than you close until you have lost all sense of how many you have open. This simple add-on displays how many tabs are open across all Firefox windows. The total is shown in a "badge" on a button that appears in the toolbar by default. (The button does not do anything when you click it.)
Click the button to see a panel that indicates how many tabs have content loaded in them. (If you quit and then re-open Firefox and have it set to show your tabs from last time, then each tab's content is only loaded when you first click on the tab and make it active. So if you have a lot of tabs open, most of them may not have any content loaded.)
Note that after installing this add-on the number of loaded tabs will not be accurate until you restart Firefox. The number of open tabs, however, is accurate immediately, without a restart.
(Also note that for obscure technical reasons some of Firefox's "about:" pages such as "about:newtab" are not always counted as loaded content.)
Tab Tally 是做什么的
Tab Tally 是一款面向 Firefox 的实用工具类扩展，主要用来解决浏览器里某类具体的小问题。官方对它的介绍是：Displays how many tabs are open. The count includes tabs from all windows. Also indicates how many tabs actually have content loaded in them – for example, after restarting Firefox.在Firefox 附加组件商店（AMO）上，它当前版本 1.4.1resigned1，评分 3.94（16 人评价），约 243 名用户。
适合什么人用
从功能定位看，Tab Tally 更适合想补上浏览器原生缺失功能的用户。如果你平时只是偶尔遇到相关需求，用浏览器自带功能也能凑合；但如果这件事每天都发生，装一个专门处理它的扩展通常比手动操作省事得多。
怎么安装 Tab Tally
- 打开Firefox 附加组件商店（AMO）上的官方页面；
- 点「添加到浏览器」并确认权限提示；
- 装好后在扩展列表里固定图标，方便随时开关。
本站只做索引与介绍，安装包来自官方商店。如果商店页面提示当前地区不可用，说明该扩展未在你所在区域上架。
常见问题
Tab Tally 是免费的吗？
Tab Tally 在Firefox 附加组件商店（AMO）免费提供下载。它是浏览器扩展，装上就能直接用，不需要注册账号。
Tab Tally 安全吗？
它只申请了 0 项权限，范围比较克制，没有申请「读取所有网站数据」这种大权限。
Tab Tally 支持哪些浏览器？
当前收录的版本来自Firefox 附加组件商店（AMO），适用于 Firefox。同一个扩展在其他商店可能有对应版本，但功能与版本号不一定相同。
怎么卸载 Tab Tally？
在扩展管理页找到 Tab Tally，点移除即可。它在本地保存的设置会一起清掉，不会残留数据。
权限清单 来自 manifest.json 原文
未解析到权限条目。