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Add to SafariWhen comparing Polarity Browser vs Firefox Developer Edition, the Slant community recommends Firefox Developer Edition for most people. In the question“What are the best browsers for web development?” Firefox Developer Edition is ranked 1st while Polarity Browser is ranked 16th. The most important reason people chose Firefox Developer Edition is:
Is the only browser I know with features specifically oriented to aid web development out of the box.
Specs
Question Ranking
Pros
Pro Fast and lightweight
According to their own tests Polarity takes up more than 10x less memory than IE, FF or Chrome.
Pro Multi-session browsing with Parallel Sessions
Parallel Sessions allows users to browse the web with different profiles with separate cache, cookies, and history. This enables users to login to multiple accounts to different websites like Facebook.
Pro Built-in privacy features
Polarity browser comes with ad block and Do Not Track built in.
Pro Customizable UI
It allows you to customize many things from window color, tab color and text color to window transparency and border size. You can set Background image or use Shuffle from Bing. You can also save the theme, import and export it.
Pro Custom Developer tools
Polarity comes with the standard Inspector for Blink based browsers along with its custom client that works with both Trident and Blink.
Pro Great HTML5 support
Polarity scores 512/555 on the HTML5 test. It is just a couple of points shy of Google Chrome.
Pro Designed specifically for web development
Is the only browser I know with features specifically oriented to aid web development out of the box.
![[deleted]](https://avatars.slant.co/identicons/50/7f31621b-61dd-5fb6-9f4a-5fb39569c3a4)
Pro Can be launched alongside Firefox (release version)
Some might find that useless, but that's very practical to dedicate a browser to development.
Pro Feature rich
This browser is the most feature richt browser for web development out of the box.
You can restrict the bandwidth in "Responsive Design Mode" to see how the page performs under unoptimal conditions.
It has predefined profiles for e.g. Ipad, Galaxy S9 and lots more.
Pro Standard complaint
AFAIK, Firefox is the most HTML/CSS/JS standard complaint of all the browsers out there.
Pro Ready for work right out-of-the-box
Pro Fast
It's Firefox. It's fast.
Pro Beta channel
As this branch of firefox uses a beta channel of firefox releases, you will see if future versions will contain breaking changes and give you time to react.
Cons
Con Few annoyances left unchecked
The browser has a couple of bugs such as where extensions are not actually ran after installation despite a notification stating that they are.
Con Windows and Android only
No Linux, OSX or iOS version available.
Con Unstable and frequent crashes
Though the browser is really lightweight and lightning fast, it crashes many times and is clearly unstable.
Con Uninstallation problems
Polarity browser can only be uninstalled with a built-in deinstallation tool. This is very impractical.
Con Heavy
Since it has a lot of tools to support debugging and web development, it is considerably heavier than the standard version of Firefox, definitely I don't recommend it for standard web browsing.
Con May be unstable
Since it is a release channel between beta and Nightly, it may be unstable.
Con Lack of support for source maps in blobs
Still a bit buggy support for CSS source maps coming from blobs. The team is working on it though, and the fixes will eventually land in the production code.
Con Not based on Chromium
If you don't want to make your website support non-Chromium browsers, this can be a problem.
Con This project is not yet available for Android
The developer edition is not available for mobile devices, though the beta and nightly channels are available, and can be used for testing future versions of Firefox.
Con Has to be installed with a Mozilla account
