"A virtual private server (VPS) is a virtual machine sold as a service by an Internet hosting service. For many purposes they are functionally equivalent to a dedicated physical server, and being software defined are able to be much more easily created and configured." wikipedia.org

Web development is a broad term for the work involved in developing a web site for the Internet (World Wide Web) or an intranet (a private network).

Cascading Style Sheets (CSS) is a style sheet language used to describe the presentation (that is, the look and formatting) of a document written in a markup language. wikipedia.org

Performance tuning is the improvement of system performance. This is typically a computer application, but the same methods can be applied to economic markets, bureaucracies or other complex systems. wikipedia.org

HyperText Markup Language (HTML) is the main markup language for web pages. HTML elements are the basic building-blocks of webpages. wikipedia.org

Cascading Style Sheets (CSS) is a style sheet language used to describe the presentation (that is, the look and formatting) of a document written in a markup language. wikipedia.org

A landing page, sometimes known as a "lead capture page" or a "lander", is a single web page that appears in response to clicking on a search engine optimized search result or an online advertisement. wikipedia.org