sprucetrill
A slim post with substantial content per word, and a look at sprucetrill maintained the same density, the content per word ratio is something I track informally and this site scores high on that ratio compared to most sources I read regularly which is a quiet indicator of careful editorial work behind the scenes.
forwardlogiclab
victorysquad
If quality blog writing is dying as people sometimes claim then this site is one piece of evidence that it has not died yet, and a look at victorysquad extended that evidence, the broader cultural question about online writing has empirical answers in specific sites and this one is contributing to a more optimistic answer overall.