this post was submitted on 24 Apr 2026
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Just for clarification, but do you mean you can automate that stuff? Because FF already has debug tools built in that lets you edit the HTML or CSS of the page however you want, but it's only for the current session. I'd occasionally use that before realizing I could just use reader mode for sites that did client side html5 bs for access control. Just go in and delete nodes using the picker tool. Until the annoying thing is gone.
I've never really played around with ublock's capabilities, though did know that it must have been more sophisticated than just dns lists to stay in the arms race vs youtube (as well as why google was pushing "security features" that would kill it).
You could also use tools like greasemonkey to change the website more permanently
Yes.
uBlock at its core is really just a scripting system for replacing CSS content using certain rules.
The most common usage is to remove content you don't like, but really it can manipulate things in a zillion different ways, many of the more advanced features are only available to the user and not larger block lists for security reasons.