This refers to how easily users can access web page content. For example, if someone is hearing impaired and the web page requires sound to understand the meaning then that page is considered not accessible. The term is also used frequently with mobile websites e.g. a mobile website is more accessible than a non-mobile-optimized site.
Cascading Style Sheets; while HTML dictates the content of page, CSS regulates the format, including headers, footers, navigation bars, etc. While all of these elements can be created in HTML, such a method would have to be repeated on every web page. CSS on the other hand, is applied to all pages of a website.
Head tag is an element indicating the header in HTML of a document. The content of this element will not be displayed in a browser.
HyperText Markup Language, the coding language used to create hypertext documents for the World Wide Web. In HTML, a block of text can be surrounded with tags that indicate how it should appear (for example, in bold face or italics). Also, in HTML a word, a block of text, or an image can be linked …