Not the mainstream privacy-focused tools like AdGuard, uBlock Origin or Ghostery, but the others having audiences numbering in the millions

That is why transparency should be one of the first things users evaluate before installing any browser extension.

Streaming related extensions under the "dogooodapp" brand

Before installing an extension, it’s worth running through a quick checklist:

• search in the privacy policy for phrases like:
  • “may share”
  • “business partners”
  • “analytics purposes”
  • “commercial purposes”
  • “affiliates and third parties”
• Be wary of extensions with no privacy policy at all
• Check who developed the extension
• Read reviews critically
• Avoid installing unnecessary extensions entirely
• Go for well-established open-source privacy tools when possible