These older threads list some blog aggregation websites, dev.to seems popular lately. Personally I subscribe to a couple of language specific https://cooperpress.com/publications/#newsletters newsletters.
"Ask HN: What are your favourite developer blogs?" https://news.ycombinator.com/item?id=15154903
"Ask HN: What are some good technology blogs to follow?" https://news.ycombinator.com/item?id=13849430