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I update infrequently — maybe once or twice a month when something is worth writing. RSS is probably the right way to follow this rather than checking back manually.
If you're not sure what RSS is: it's a way to follow websites without needing to sign up for anything or hand over your email. A feed reader collects updates from all the sites you follow in one place. NetNewsWire, Reeder, and Miniflux are all decent options depending on your platform.