Random question, since your site came up: what do your kids use to make their personal pages? Thinking of doing something similar with my 7-year-old and 4-year-old this fall.
Lily's Inxed page and RSS feed are from a script I wrote that does it manually: https://github.com/jeffkaufman/webscripts/blob/master/lilyrs...
I wrote about this some here: https://www.jefftk.com/p/helping-the-kids-post