Recently, Donna Papacosta updated her 2014 post "Advice for new bloggers". It's a good read and certainly worthy of passing along to someone interesting in blogging themselves, including students....
Learn more:
https://gustmees.wordpress.com/?s=PracTICE
http://www.scoop.it/t/21st-century-learning-and-teaching/?tag=Blogging
This article lists some great pieces of advice for anyone blogging out there.