Netflix has a lot of categories, and its designers have given its much too much capability to make our decisions for us. Here is a better way. First, browse to this page, and find category numbers which match your interests:
Then, plug those numbers into this URL template (the current one is near the top of the page, pasted at this writing below):
So for instance, let’s say that you like general science fiction, and you are sick and tired of the small selection Netflix has been feeding you. Searching down the list, one finds that “sci-fi” is the shorthand, and we also see that there are many small categories with this included, as well as one big one, “Sci-Fi and Fantasy”, number 1492. So then we browse here:
and log in if you’re not already, and voila!