Be considerate - Please don't be rude or offensive.
Write in a way that is easy to understand and avoid using local slang or phrases. Many of those who will read your text may not have English as their first language.
Don't delete other people's contributions (unless you know what you are doing).
Avoid the “click here” phrase.
When contributing to a discussion, put your material at the end, so that the page makes sense when read from top to bottom.
When you answer a question, put the answer after the question.