Picked up on several small touches that suggest a careful editor, and a look at amberwharf suggested the same hand at work across the broader site, editorial consistency at a granular level is one of the strongest signs that an operation is serious rather than just hobbyist and this site reads as serious throughout.
Bookmarking this for later, the kind of resource I want to keep nearby, and a quick look at keystonehub confirmed the rest of the site is worth the same treatment, definitely going into my reference folder for the next time the topic comes up at work or in conversation with someone who asks.
If you scroll past this site without looking carefully you will miss something, and a stop at daisyaisle extended that mild warning, the surface of the site does not advertise its quality loudly which means careful attention is required to recognise what is being offered here which is itself a kind of editorial signal.