This document discusses 13 technologies that Dynamics 365 CRM web developers should know to get high salaries. It begins by explaining HTML, the basic markup language used to design web pages. It then discusses CSS, which is used to provide style and layout to HTML pages. JavaScript is covered next, as it adds interactivity and dynamic behavior to web pages. The document also summarizes .NET, the programming platform used for server-side development, and Microsoft SQL Server, the database used to store application data. Finally, it briefly introduces JQuery, a JavaScript library that simplifies document manipulation and event handling.