Gregory's Server
All in all, note that due to the way ad blockers are/will be handled in Chrome, some of these things I did will not be possible. This includes modifying by injecting a header + the DNS API is not even there in Chrome.
For what this means, check out this:
(Thread is a response to https://twitter.com/bert_hu_bert/status/1561650689474011136, who made the same thing as a C app that works across applications.)