As you might guess, I am very much involved in managing a website and posting on blogs. I hope it is not too evident that I had no training for these activities, and have picked up what skills I possess by practice. I find, however, that UNESCO field offices have produced two very helpful resources for webmasters and bloggers.
This book was published by UNESCO's India Office with comprehensive guidelines on how to create a website. 2005. (PDF, 244 pages)
This is a power point presentation with guidance on how to post on a website or blog. It is provided by UNESCO's Bangkok office. (PPT, 4.7MB)