Secure browsing / ad blocking on Smart TVs

Didn't know where to ask this and stumbled over this sub. Hopefully this fits here, seems like this subreddit has relatively strict rules :)

So I'm almost living an ad free live. I'm well versed in the world of software. My setup only has one weak point (at least only one that is obvious to me). And that is my LG Smart TV which is running webOS.

I do not really have much influence on this OS. I cannot use …

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