The complaints have opened a door to Chrome competitors, though, with some content-blocker fans discussing a move to Mozilla's Firefox, Brave Software's Brave and Microsoft's new Edge that's based on Google's open-source Chromium browser foundation.īrave, also based on Chromium, has ad and tracker blocking built in and enabled by default and thus will block that content regardless of Google's decisions. 'We are planning to raise these values, but we won't have updated numbers until we can run performance tests to find a good upper bound that will work across all supported devices,' he said.