Yup, that's exactly it. I've found that there are certain websites that I have basically no interest in seeing. Eventually I might incorporate more granularity to get sub-domains or something like that, but for now it's just whole websites based on URL.
Brief and nice overview of the tech stack and the approach behind TouTiao's recommendation system. TouTiao is the most-used Chinese news app, developed by Bytedance, the creators of TikTok and Douyin.
Came to the thread to post this. It's a hacker classic. There is also this German movie, telling the same story from the side of the hacker: https://www.youtube.com/watch?v=YsYD_lmK-KE