4chan works (and will always) just fine without https, just remove the 's' from http in the url. Just tested /a/, /b/, /c/, /g/, /mlp/, /vg/ and they all work fine.
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RESOLVED WORKSFORME
4chan works (and will always) just fine without https, just remove the 's' from http in the url. Just tested /a/, /b/, /c/, /g/, /mlp/, /vg/ and they all work fine.