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How does uBlock do it then? I always assumed it did blocking based on domain.

• smilespray 8y ago
  It has access to and parses the web page and can as such do advanced pattern matching in various ways. Domain, subdirectory, file, you name it. It can also hide HTML elements known to contain ads in order to collapse the blank areas where the ads used to be.
  • rohan1024 8y ago
    It's not only blocks banner ads but also the ads that appear inside videos. How does it figure out the video stream is of ad? Their must be some sort of marker to separate out video stream from ad stream.
    • luxpir 8y ago
      From my experience uBlock origin has a feature set/list that can do this where the more advanced uMatrix cannot. I run both and hope to not have to in future. Also run pihole for other devices where custom blocking is tricky.