oii EN
Ferry · Firefox
Adds ii (improvement indicator) metric to user profiles on the osu! website
截图
简介
This is a browser extension, that adds ii (improvement indicator, a metric that describes how fast you improve compared to the average player) to user profiles on the osu! website. For example, if you have an ii of 1, your improvement speed is around average, if it's 2, then you improve at twice the speed of the average player and if it's 0.5 you improve at half the speed of the average player etc. This is just a fun project that spawned out of an investigation I did in the context of a video I produced concerned with how good the average osu! player is.
To use, just navigate to osu! profile pages and the corresponding ii will show right next to their playtime. The ii value gets calculated based on their pp and playtime, so in case you know the actual playtime of that player is higher than whats shown on their profile page (e.g. due to accumulated playtime on other clients, offline, scorev2 etc.) you can add it in the "Add playtime" field of the extensions popup.
Lastly, the extension allows you to approximate when a given player will reach a certain pp via the "Goal pp" field. This is calculated via an assumed individual improvement curve for each player based on their ii. This feature is mostly a gimmick, so don't take it too seriously.
THIS EXTENSION IS STILL IN EARLY RELEASE, BUGS AND FREQUENT CHANGES TO THE FUNCTION USED TO CALCULATE IT'S VALUES ARE TO BE EXPECTED.
oii 是做什么的
oii 是一款面向 Firefox 的游戏娱乐类扩展,主要用来增强游戏社区功能、显示额外数据。官方对它的介绍是:Adds ii (improvement indicator) metric to user profiles on the osu! website在Firefox 附加组件商店(AMO)上,它当前版本 2025.11.1,评分 5(3 人评价),约 2,279 名用户。
适合什么人用
从功能定位看,oii 更适合游戏玩家与游戏社区常客。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 oii
- 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
oii 是免费的吗?
oii 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。
oii 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。
oii 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 oii?
在扩展管理页找到 oii,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。

