June 22, 2017 – Francesco Schwarz – @isellsoap
Usage of invisible semi-colon.
title attribute and invisible text.
spanshould be the exception, not the rule.
langattribute to a language which does not match the language of […] document parts will result in […] users being unable to understand the content.”
“In case of conflict, consider users over authors over implementors over specifiers over theoretical purity.”