This pages lists resources to guide your publishing on the web including publishing standards and English grammar rules.
The Associated Press Stylebook
Known as the Journalist’s Bible, The Associated Press Stylebook is well regarded as one of the best references for grammar and printing. It is available in print and digital formats.
The Chicago Manual of Style
A standard for many publications around the world, The Chicago Manual of Style is regularly cited as the best reference for American grammar.
GrammarBook English Rules
A good source for English grammar and punctuation.
A huge free online reference that covers every aspect of English grammar.