Markup code, or markup language, is basically a set of words and symbols created by the computer industry with the goal of helping to process, organize, and present information, as well as to inform ...

In one of Matt Cutts' videos on SEO questions, he answers a question about if you should build an HTML or XML Sitemap. An HTML sitemap is an old school landing page for users to find all (or most) of ...

XML has two main advantages: first, it offers a standard way of structuring data, and, second, we can specify the vocabulary the data uses. We can define the vocabulary (what elements and attributes ...