HTML for People is a friendly, beginner-focused online book by Blake Watson designed to teach absolutely anyone how to build a website using basic HTML and CSS, without requiring any prior coding experience.

hosting, and sharing great software in a single, portable, self-updating, vanilla HTML file

Slingcode is a personal computing platform in a single html file.

• You can make, run, and share web apps with it.
• You don’t need any complicated tools to use it, just a web browser. You don’t need a server, hosting, or an SSL certificate to run the web apps.
• You can put Slingcode on a web site, run it from a USB stick, laptop, or phone, and it doesn’t need an internet connection to work.
• You can “add to home screen” in your phone’s browser to easily access your library of programs on the go.
• You can share apps peer-to-peer over WebTorrent.
• It’s private. You only share what you choose

Check if browser can handle things

Vanilla CSS is a minimal baseline stylesheet for any web project. It includes a basic reset and default styling for all HTML5 elements (which you can see live below): Built-in variables, Easy to extend, Only 5KB

Pixel-perfect, Retina-ready, Fast, Consistent, Hackable, No tracking

Use this little website to test if a URL is setup correctly to work with CORS.

Cheating latency instant.page uses just-in-time preloading — it preloads a page right before a user clicks on it.

GrapesJS is an open-source, multi-purpose, Web Builder Framework which combines different tools and features to build HTML.

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

The most popular HTML, CSS, and JS library in the world.

the world’s largest web developer site.