This document summarizes key advancements in web technologies over time. It discusses the evolution of web browsers from 2004-2015. It also compares HTML5 and Flash Player, describing how HTML5 became the modern web standard. Additionally, it outlines the differences between regular websites and web applications. The document then explains the role of JavaScript in adding interactivity to webpages. Finally, it introduces some recent developments like Progressive Web Apps, WebGL, Accelerated Mobile Pages, TensorFlowJS, and Web Stories.