You ever find an author and think to yourself “I want to read everything they have ever written”? I have that quite often, and want to add their texts into my personal search archive.
This really depends on the specific site. There isn’t a global
get blog posts of Jim Neumann as PDF command.
Something similar has been asked here before some weeks ago. Maybe that thread can give you some ideas.
I suggest using a command line tool like
wget for a task like that.
Alternatively, it might be feasible with DT’s download manager.