The book is dedicated to the development of dynamic websites using HTML5, CSS 3, PHP and MySQL. Describes HTML5's capabilities for working with text, graphics, audio and video, tables, navigation tools and Web forms, as well as ways to present, transform and animate Web pages using CSS 3. Describes the j & # 097; vascript language, DOM document object model, Web scripting, and AJAX technology. Server programming, PHP language and MySQL data server are considered. A description of the Yii library is given, which provides the Web programmer with a ready-made set of tools for writing server applications. Practical examples show the development of page design, interactive spoiler, lightbox and notebook elements, the creation of universal file storage and the implementation of BBCode tag support for text formatting. The process of creating a fully functional site and its publication on the Internet is considered. All source codes are available for download from the publisher's website.