W3Schools Online Web Tutorials
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HTML Tutorial - W3Schools
HTML Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
Python Tutorial - W3Schools
Python Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
JavaScript Tutorial - W3Schools
Learn JavaScript The Programming Language of the Web JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2025 version. Start learning JavaScript now »
C# Tutorial (C Sharp) - W3Schools
C# Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
SQL Tutorial - W3Schools
Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now »
Free Web Development and Programming Tutorials - W3Schools
SQL Tutorial SQL is a standard language for storing, manipulating and retrieving data in databases.
Node.js Tutorial - W3Schools
Node.js Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
Introduction to HTML - W3Schools
HTML History Since the early days of the World Wide Web, there have been many versions of HTML: ... This tutorial follows the latest HTML5 standard.
PHP Tutorial - W3Schools
PHP Exercises Most chapters in this tutorial end with exercises where you can check your knowledge.