A human- and machine-readable coding language that adds structure, meaning, or context to a text document. Extensible markup language (XML) ranges from very simple to highly complex (hence “extensible”). Today’s version of HTML is a specialized example of XML. Schema markup is an example of how XML can be used to improve the user experience (UX) of search engine results pages (SERPs).
Building Your Business with an Opt-in List
Before revealing the secrets of the trades, here are myths and fallacies that need to be cleared before one indulges into building an opt-in list.
