Custom web development and web design site includes many concepts and technologies that are currently used on the Internet. For example, by slang of webmasters it is necessary to duplicate or redesign some kind of existing web site that is obsolete – it was created on the basis of HTML 3.02 or earlier. To date, use minimal HTML4.01 or XHTML. Therefore, in order to develop a web site or a redesign site, it will be necessary first of all: