replace https:// https:// of a paywall site with archive.is/ no extension needed. And if you want to use Google cache (and Google is your main search engine)

replace https:// https:// of a paywall site with archive.is/ no extension needed. And if you want to use Google cache (and Google is your main search engine) just add ? in front of URL and with two clicks (dots->cached) you get to the cached version of Google. again no extension needed. Stay safe.