This document provides summaries of key web technologies including: - Core technologies like web browsers, web servers, URIs, and HTTP. - Client-side technologies like HTML, CSS, JavaScript, DOM, AJAX, and Rich Internet Applications. - Server-side technologies for web applications like CGI, PHP, Java servlets, and JavaServer Pages. It also discusses enabling technologies for dynamic web content and applications servers, session state management, cookies, the Common Gateway Interface (CGI) standard, and an example "EnWEBats" application built with CGI and PHP.