New, redesigned Brave Desktop Browser v1.0 - Beta Released


Level 85
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Malware Hunter
Aug 17, 2014
We therefore rebuilt our ad-blocker taking inspiration from uBlock Origin and Ghostery’s ad-blocker approach. This focuses on a tokenization approach specific to ad-block rule matching against URLs and rule evaluation optimised to the different kinds of rules. We implemented the new engine in Rust as a memory-safe, performant language compilable down to native code and suitable to run within the native browser core as well as being packaged in a standalone Node.js module. Overall, we found that:
  • The new algorithm with optimised set of rules is 69x faster on average than the current engine.
  • For the popular filter list combination of EasyList and EasyPrivacy it achieves class-leading performance of spending only 5.7μs on average per request.
  • An additional benefit of having the blocker built into the core of the browser is even less work duplicating what the browser already does, e.g. for URL parsing. With this information already available, our browser-focused API provides still better performance, cutting average request processing time down to 4.6μs.
  • The new engine already supports more of the filter rule syntax that has evolved beyond the original specification, which will allow us to handle web compatibility issues better and faster.


Level 24
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Content Creator
Mar 13, 2016
Finally tried Brave,

What I liked:
1. with build in extensions there is little need (for me) to add more extension

2. choose what you like to delete on EXIT

3. unlike new Opera all my favourite flags worked (see attached file)

What I did not like:
1. Could not find a way to (automatically) start Brave incognito with TOR (please post solutions)

2. Loading of Brave is slower as Chrome (or Edge-chromum)

3. Limited control on site permissions (I could only change SCRIPT default to block and make an allow exception for HTTPS://*)

Regards Kees


  • flags.txt
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