The Web is defined by phases, each denoted by its principal usage—Web 1.0 for reading content, Web 2.0 regarding social interaction, and Web 3.0 as an open, decentralized, and trusted web Traditional web architectures rendered web pages on the server, with each client request resulting in a new HTML page being sent from the server to the browser.

Single-page applications (SPAs) load one web page in the browser, manipulating the UI and fetching data through APIs. The Model-View-Controller (MVC) pattern was often used for server-side development

Web — defined by phases, each denoted by its principal usage—Web 1.0 for reading content, Web 2.0 regarding social interaction, and Web 3.0 as an open, decentralized, and trust. Web 1.0 — phase of the Web where the user’s interaction was limited primarily to reading and selecting web pages. web page — document commonly written in HTML and viewed in a browser. View — presentation layer that handles the user interface.