Here is a list of online ELT resources that Mario Papa strongly recommends:
ZANICHELLI EDITORE (HTTP://WWW.ZANICHELLI.IT)
MULTICOLOUR VISIONS (http://scuola.zanichelli.it/online/multicolour-visions/)
LEND (http://www.lend.it)
ANILS (http://www.anils.it)
TESOL (http://www.tesol.it)
ELTWeekly (http://eltweekly.com/)
BRITISH COUNCIL (http://eltweekly.com/)
AMBASCIATA STATI UNITI (http://www.rome.usembassy.gov/)
SALERNO RUNNING CLUB (http://www.salernorunningclub.it)
GOODREADS (http://www.goodreads.com/author/show/1176906.Mario_Papa)