The most common programming languages on the Web include HyperText Markup Language, JavaScript, Cascading Style Sheets and PHP: Hypertext Preprocessor. Some are used in conjunction with each other ...

PHP and SQL complete the basic package for programming web applications. PHP is an open-source scripting language and can be integrated into the HTML protocol.

HTML provides the structure, content and layout, CSS adds style and design, and JavaScript adds functionality and interactivity.

The Python programming language appears to have a firm hold as the second most popular language over Java.