Browser Privacy Tests

Which browsers are best for privacy?

A friend sent me the above link with browser privacy tests results. The below comment is from the "About" section and gives background of the author. From the results, Brave and LibreWolf offer the best privacy.

Posting to hear general comments about the veracity and opinion of the results.

This website and the browser privacy tests are an independent project by me, Arthur Edelstein. I have developed this project on my own time and on my own initiative. Several months after first publishing the website, I became an employee of Brave, where I contribute to Brave's browser privacy engineering efforts. I continue to run this website independently of my employer, however. There is no connection with Brave marketing efforts whatsoever.

Firefox still offers the best privacy of them all, but that's only after you customize its settings specifically for that. Of course a few recommended addons like, e.g., uBlock Origin also play a role. But personally, I, use (the portable edition of) Firefox under Sandboxie-Plus for enhanced browser security, which also can help to protect the privacy further still─at least depending how you use it. One key difference between the portable and regular Firefox is that the portable lets me run multiple different instances, concurrently and in parallel. So each separate browser window can be completely unique not only as for what exact browser settings (and addons, etc.) are getting applied to it, but also as for what restrictions are enforced on it by the individual sandbox in question, as Sandboxie-Plus also lets me use multiple sandboxes, concurrently with different sandbox settings on each different sandbox. Most (regular) Firefox users just stick to using Firefox profiles to switch between, but this doesn't isolate the profiles from the actual browser window instances running so I don't tend to do a lot of that. Some also use the Multi-Account Containers addon for Firefox, and, I can certainly see the benefit when compared to just switching profiles with the Profile Manager─or via the command line parameter if using batchfile/script to automate these tasks. But at the end of the day, keeping each whole browser instance (and all the various many configurations thereof) completely isolated from all the sensitive data with Sandboxie-Plus running in privacy mode still has my preference.

There is no connection with Brave marketing efforts whatsoever.

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Right, thus the reason he focuses the test on features that Brave supports by default.
Pretty much all those browsers can get the same result with the same setup/extensions.
Besides more privacy = less features, more breakage, so more private is not better for all.

TairikuOkami said:

Right, thus the reason he focuses the test on features that Brave supports by default.
Pretty much all those browsers can get the same result with the same setup/extensions.
Besides more privacy = less features, more breakage, so more private is not better for all.

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"more breakage" meaning more extensions subsceptible to crash ?

I notice the term "speed" is not directly mentioned.

csun said:

"more breakage" meaning more extensions subsceptible to crash ?

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Blocking too much can break some services. For example I block Google, but it also blocks captcha, some APIs, fonts.
Blocking some tracking can prevent you from logging into certain services or to use some features connected to it.