Web development

Open source software which you can use to easily create a beautiful website, blog, or app.

The World Wide Web Consortium (W3C) develops standards and guidelines to help everyone build a web based on the principles of accessibility, internationalization,…

Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.

Create with AI or code, deploy instantly on production infrastructure. One platform to build and ship.

Instructions on how to enable (activate) JavaScript in web browser and why.

Hugo is one of the most popular open-source static site generators. With its amazing speed and flexibility, Hugo makes building websites fun again.

Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.

CSS-Tricks is where folks around the world come to learn about front-end code and everything related to it, including HTML, CSS, and yes, CSS.

Helping you build, grow and innovate on the web.

Transform your plain text into static websites and blogs

The web framework for perfectionists with deadlines.

Eleventy is a simpler static site generator

For people who make websites

Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

Explore web accessibility solutions for any stage of your journey. Improve UX and work toward conformance with WCAG standards.

Add new features to your browser and personalize your browsing experience.

Faster, safer and smarter than default browsers. Fully-featured for privacy, security, and so much more. Get the faster, better Opera browser for free.