A domain name consists of one or more labels, each of which is formed from the set of ASCII letters, digits, and hyphens (a-z, A-Z, 0-9, -), but not starting or ending with a hyphen. The labels are case-insensitive; for example, 'label' is equivalent to 'Label' or 'LABEL'. In the textual representation of a domain name, the labels are separated by a full stop (period).
This community is built on the Peer 2 Peer University platform. The website offers lots of free web designing training courses in HTML, CSS, and PHP. Over the course of your training, you are asked to complete user-generated tests with varying toughness. One of the great things about this website making course is its active community that allows a newbie to connect with advanced students.