THE WORLD'S LARGEST WEB DEVELOPER SITE

About W3Schools


Over 2.5 Billion Pages Displayed Last Year

Over 60 Million Monthly Visits

The Largest Web Developer Site on the Internet


What is W3Schools?

W3Schools is a web developers site, with tutorials and references on web development languages such as HTML, CSS, JavaScript, PHP, SQL, Python, jQuery, Java, C++, C#, React, Node.js, XML, W3.CSS, and Bootstrap, covering most aspects of web programming.

The site derives its name from the World Wide Web (W3), but is not affiliated with the W3C.

W3Schools was originally created in 1998 by Refsnes Data, a Norwegian software development and consulting company.


Easy Learning

W3Schools has focus on simplicity.

W3Schools practice easy and straight-forward learning.

W3Schools uses simple code explanations with simple illustrations of how to use it.

W3Schools' tutorials start from basic level and move all the way up to professional references.


Try It Yourself

W3schools presents thousands of code examples.

By using our online editor, 来试试吧, you can edit examples and execute computer code experimentally, to see what works and what does not, before implementing it.


W3Schools is Free

W3Schools is, and will always be, a completely free developers resource.


You Can Help

Many people work very hard to ensure w3schools remains useful, educational, updated, and interesting.

If you find an error, or a broken link, please tell us about it.

Use the link "REPORT ERROR" at the bottom of each page.


Add a Link to Us

If you want others to discover W3schools, please add a link to us.

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<a href="https://booksky.99lb.net/">W3Schools.com</a>

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Demographics

Origin Percent
Asia 38 %
Americas 30 %
Europe 27 %
Africa 3 %
Oceania 2 %

Source: Google Analytics




W3Schools is optimized for learning, testing, and training. 示例 might be simplified to improve reading and basic understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using this site, you agree to have read and accepted our terms of use, cookie and privacy policy. Copyright 1999-2020 by Refsnes Data. All Rights Reserved.
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