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4 Firefox extensions to install now
======
![](https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/redpanda_firefox_pet_animal.jpg?itok=aSpKsyna)
As I mentioned in my [original article][1] on Firefox extensions, the web browser has become a critical component of the computing experience for many users. Modern browsers have evolved into powerful and extensible platforms, and extensions can add or modify their functionality. Extensions for Firefox are built using the WebExtensions API, a cross-browser development system.
In the first article, I asked readers: "Which extensions should you install?" To reiterate, that decision largely comes down to how you use your browser, your views on privacy, how much you trust extension developers, and other personal preferences. Since that article was published, one extension I recommended (Xmarks) has been discontinued. Additionally, that article received a ton of feedback that has been taken into account for this update.
Once again, I'd like to point out that browser extensions often require the ability to read and/or change everything on the web pages you visit. You should consider the ramifications of this very carefully. If an extension has modify access to all the web pages you visit, it could act as a keylogger, intercept credit card information, track you online, insert advertisements, and perform a variety of other nefarious activities. That doesn't mean every extension will surreptitiously do these things, but you should carefully consider the installation source, the permissions involved, your risk profile, and other factors before you install any extension. Keep in mind you can use profiles to manage how an extension impacts your attack surface—for example, using a dedicated profile with no extensions to perform tasks such as online banking.
With that in mind, here are four open source Firefox extensions you may want to consider.
### uBlock Origin
![ublock origin ad blocker screenshot][2]
My first recommendation remains unchanged. [uBlock Origin][3] is a fast, low memory, wide-spectrum blocker that allows you to not only block ads but also enforce your own content filtering. The default behavior of uBlock Origin is to block ads, trackers, and malware sites using multiple, predefined filter lists. From there it allows you to arbitrarily add lists and rules, or even lock down to a default-deny mode. Despite being powerful, the extension has proven to be efficient and performant. It continues to be updated regularly and is one of the best options available for this functionality.
### Privacy Badger
![privacy badger ad blocker][4]
My second recommendation also remains unchanged. If anything, privacy has been brought even more to the forefront since my previous article, making this extension an easy recommendation. As the name indicates, [Privacy Badger][5] is a privacy-focused extension that blocks ads and other third-party trackers. It's a project of the Electronic Freedom Foundation, which says:
> "Privacy Badger was born out of our desire to be able to recommend a single extension that would automatically analyze and block any tracker or ad that violated the principle of user consent; which could function well without any settings, knowledge, or configuration by the user; which is produced by an organization that is unambiguously working for its users rather than for advertisers; and which uses algorithmic methods to decide what is and isn't tracking."
Why is Privacy Badger on this list when the previous item may seem similar? A couple reasons. The first is that it fundamentally works differently than uBlock Origin. The second is that a practice of defense in depth is a sound policy to follow. Speaking of defense in depth, the EFF also maintains [HTTPS Everywhere][6] to automatically ensure https is used for many major websites. When you're installing Privacy Badger, you may want to consider HTTPS Everywhere as well.
In case you were starting to think this article was simply going to be a rehash of the last one, here's where my recommendations diverge.
### Bitwarden
![Bitwarden][7]
When recommending LastPass in the previous article, I mentioned it was likely going to be a controversial selection. That certainly proved true. Whether you should use a password manager at all—and if you do, whether you should choose one that has a browser plugin—is a hotly debated topic, and the answer very much depends on your personal risk profile. I asserted that most casual computer users should use one because it's much better than the most common alternative: using the same weak password everywhere. I still believe that.
[Bitwarden][8] has really matured since the last time I checked it out. Like LastPass, it is user-friendly, supports two-factor authentication, and is reasonably secure. Unlike LastPass, it is [open source][9]. It can be used with or without the browser plugin and supports importing from other solutions including LastPass. The core functionality is completely free, and there is a premium version that is $10/year.
### Vimium-FF
![Vimium][10]
[Vimium][11] is another open source extension that provides Firefox keyboard shortcuts for navigation and control in the spirit of Vim. They call it "The Hacker's Browser." Modifier keys are specified as **< c-x>**, **< m-x>**, and **< a-x>** for Ctrl+x, Meta+x, and Alt+x, respectively, and the defaults can be easily customized. Once you have Vimium installed, you can see this list of key bindings at any time by typing **?**. Note that if you prefer Emacs, there are also a couple of extensions for those keybindings as well. Either way, I think keyboard shortcuts are an underutilized productivity booster.
### Bonus: Grammarly
Not everyone is lucky enough to write a column on Opensource.com—although you should seriously consider writing for the site; if you have questions, are interested, or would like a mentor, reach out and let's chat. But even without a column to write, proper grammar is beneficial in a large variety of situations. Enter [Grammarly][12]. This extension is not open source, unfortunately, but it does make sure everything you type is clear, effective, and mistake-free. It does this by scanning your text for common and complex grammatical mistakes, spanning everything from subject-verb agreement to article use to modifier placement. Basic functionality is free, with a premium version with additional checks available for a monthly charge. I used it for this article and it caught multiple errors that my proofreading didn't.
Again, Grammarly is the only extension included on this list that is not open source, so if you know of a similar high-quality open source replacement, let us know in the comments.
These extensions are ones I've found useful and recommend to others. Let me know in the comments what you think of the updated recommendations.
--------------------------------------------------------------------------------
via: https://opensource.com/article/18/5/firefox-extensions
作者:[Jeremy Garcia][a]
选题:[lujun9972](https://github.com/lujun9972)
译者:[译者ID](https://github.com/译者ID)
校对:[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出
[a]:https://opensource.com/users/jeremy-garcia
[1]:https://opensource.com/article/18/1/top-5-firefox-extensions
[2]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/ublock.png?itok=_QFEbDmq (ublock origin ad blocker screenshot)
[3]:https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
[4]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/images/life-uploads/privacy_badger_1.0.1.png?itok=qZXQeKtc (privacy badger ad blocker screenshot)
[5]:https://www.eff.org/privacybadger
[6]:https://www.eff.org/https-everywhere
[7]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/u128651/bitwarden.png?itok=gZPrCYoi (Bitwarden)
[8]:https://bitwarden.com/
[9]:https://github.com/bitwarden
[10]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/u128651/vimium.png?itok=QRESXjWG (Vimium)
[11]:https://addons.mozilla.org/en-US/firefox/addon/vimium-ff/
[12]:https://www.grammarly.com/

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4 个 Firefox 扩展
=====
![](https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/redpanda_firefox_pet_animal.jpg?itok=aSpKsyna)
正如我在关于 Firefox 扩展的[原创文章][1]中提到的web 浏览器已成为许多用户计算验的关键组件。现代浏览器已经发展成为功能强大且可扩展的平台扩展可以添加或修改其功能。Firefox 的扩展是使用 WebExtensions API一种跨浏览器开发系统构建的。
在第一篇文章中,我问读者:“你应该安装哪些扩展?” 重申一下这一决定主要取决于你如何使用浏览器你对隐私的看法你对扩展程序开发人员的信任程度以及其他个人偏好。自文章发表以来我推荐的一个扩展Xmarks已经停止。另外该文章收到了大量的反馈在这篇更新中这些反馈已经被考虑到。
我想再次指出,浏览器扩展通常需要能够阅读和(或)更改你访问的网页上的所有内容。你应该仔细考虑这一点。如果扩展程序修改了你访问的所有网页的访问权限,那么它可能充当键盘记录程序,拦截信用卡信息,在线跟踪,插入广告以及执行各种其他恶意活动。这并不意味着每个扩展程序都会暗中执行这些操作,但在安装任何扩展程序之前,你应该仔细考虑安装源,涉及的权限,风险配置文件以及其他因素。请记住,你可以使用配置文件来管理扩展如何影响你的攻击面 - 例如,使用没有扩展的专用配置文件来 执行网上银行等任务。
考虑到这一点,这里有你可能想要考虑的四个开源 Firefox 扩展。
### uBlock Origin
![ublock origin ad blocker screenshot][2]
我的第一个建议保持不变。[uBlock Origin][3] 是一款快速,低内存,广泛的拦截器,它不仅可以拦截广告,而且还可以执行你自己的内容过滤。 uBlock Origin 的默认行为是使用多个预定义的过滤器列表来拦截广告,跟踪器和恶意软件站点。它允许你任意添加列表和规则,甚至可以锁定到默认拒绝模式。尽管它很强大,但它已被证明是高效和高性能的。它将继续定期更新,并且是该功能的最佳选择之一。
### Privacy Badger
![privacy badger ad blocker][4]
我的第二个建议也保持不变。如果说有什么区别的话,那就是自从我上一篇文章发表以来,隐私问题就一直被带到最前沿,这使得这个扩展成为一个简单的建议。顾名思义,[Privacy Badger][5] 是一个专注于隐私的扩展,可以拦截广告和其他第三方跟踪器。这是 Electronic Freedom to 校正者:这里 Firefox 添加此扩展后,弹出页面译为电子前哨基金会)基金会的一个项目,他们说:
> Privacy Badger 诞生于我们希望能够推荐一个单独的扩展,它可以自动分析和拦截任何违反用户同意原则的追踪器或广告;在用户没有任何设置、有关知识或配置的情况下,它可以很好地运行;它是由一个明确为其用户而不是为广告商工作的组织所产生的;它使用了算法的方法来决定什么是什么,什么是不跟踪的。”
为什么 Privacy Badger 会出现在这个列表上,它的功能与上一个扩展看起来很类似?因为一些原因。首先,它从根本上工作原理与 uBlock Origin 不同。其次深度防御的实践是一项合理的策略。说到深度防御EFF 还维护着 [HTTPS Everywhere][6] 扩展,它自动确保 https 用于许多主流网站。当你安装 Privacy Badger 时,你也可以考虑使用 HTTPS Everywhere。
如果你开始认为这篇文章只是对上一篇文章的重新讨论,那么以下是我的建议分歧。
### Bitwarden
![Bitwarden][7]
在上一篇文章中推荐 LastPass 时,我提到这可能是一个有争议的选择。这无疑属实。无论你是否应该使用密码管理器 - 如果你使用,那么是否应该选择带有浏览器插件的密码管理器 - 这是一个备受争议的话题,答案很大程度上取决于你的个人风险状况。我认为大多数普通的计算机用户应该使用一个,因为它比最常见的选择要好得多:在任何地方都使用相同的弱密码。我仍然相信这一点。
[Bitwarden][8] 自从我上次审视以后确实成熟了。像 LastPass 一样,它对用户友好,支持双因素身份验证,并且相当安全。与 LastPass 不同的是,它是[开源的][9]。它可以使用或不使用浏览器插件,并支持从其他解决方案(包括 LastPass导入。它的核心功能完全免费它还有一个 10 美元/年的高级版本。
### Vimium-FF
![Vimium][10]
[Vimium][11] 是另一个开源的扩展,它为 Firefox 键盘快捷键提供了类似 Vim 一样的导航和控制,其称之为“黑客的浏览器”。对于 Ctrl+x, Meta+x 和 Alt+x分别对应 **< c-x>**, **< m-x>** 和 **< a-x>**,默认值可以轻松定制。一旦你安装了 Vimium你可以随时键入 **** 来查看键盘绑定列表。请注意,如果你更喜欢 Emacs那么也有一些针对这些键绑定的扩展。无论哪种方式我认为键盘快捷键是未充分利用的生产力推动力。
### 额外福利: Grammarly
不是每个人都有幸在 Opensource.com 上撰写专栏 - 尽管你应该认真考虑为网站撰写文章;如果你有问题,有兴趣,或者想要一个导师,伸出手,让我们聊天吧。但是,即使没有专栏撰写,正确的语法在各种各样的情况下都是有益的。试一下 [Grammarly][12]。不幸的是,这个扩展不是开源的,但它确实可以确保你输入的所有东西都是清晰的,有效的并且没有错误。它通过扫描你文本中的常见的和复杂的语法错误来实现这一点,涵盖了从主谓一致到文章使用到修饰词的放置这些所有内容。它的基本功能是免费的,它有一个高级版本,每月收取额外的费用。我在这篇文章中使用了它,它发现了许多我的校对没有发现的错误。
再次说明Grammarly 是这个列表中包含的唯一不是开源的扩展,因此如果你知道类似的高质量开源替代品,请在评论中告诉我们。
这些扩展是我发现有用并推荐给其他人的扩展。请在评论中告诉我你对更新建议的看法。
--------------------------------------------------------------------------------
via: https://opensource.com/article/18/5/firefox-extensions
作者:[Jeremy Garcia][a]
选题:[lujun9972](https://github.com/lujun9972)
译者:[MjSeven](https://github.com/MjSeven)
校对:[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出
[a]:https://opensource.com/users/jeremy-garcia
[1]:https://opensource.com/article/18/1/top-5-firefox-extensions
[2]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/ublock.png?itok=_QFEbDmq (ublock origin ad blocker screenshot)
[3]:https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
[4]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/images/life-uploads/privacy_badger_1.0.1.png?itok=qZXQeKtc (privacy badger ad blocker screenshot)
[5]:https://www.eff.org/privacybadger
[6]:https://www.eff.org/https-everywhere
[7]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/u128651/bitwarden.png?itok=gZPrCYoi (Bitwarden)
[8]:https://bitwarden.com/
[9]:https://github.com/bitwarden
[10]:https://opensource.com/sites/default/files/styles/panopoly_image_original/public/u128651/vimium.png?itok=QRESXjWG (Vimium)
[11]:https://addons.mozilla.org/en-US/firefox/addon/vimium-ff/
[12]:https://www.grammarly.com/