HTML5 features appcaching, a way to make your web sites and apps work offline, and to increase their performance as well.

To learn more about the HTML5 appcache, read our comprehesive overview to get you started.

This industry moves fast — really fast! If you’re not careful, you’ll be left in its dust. So, if you’re feeling a bit overwhelmed with the coming changes/updates in HTML5, use this as a primer of the things you must know.

Welcome to the HTML Email Boilerplate. This website and its sample code creates a template of sorts, absent of design or layout, that will help you avoid some of the major rendering problems with the most common email clients out there — Gmail, Outlook, Yahoo Mail, etc. While not plug and play (you know, you'll have to do some work ;-), it will provide some helpful examples and snippets that will keep your email design rendering as true-to-form as possible.

In this post we have 25 CSS snippets and hacks that will solve many of the most frequently used and, at times, frustrating CSS development tasks. Why reinvent the wheel when there are already plenty of time-saving pre-written CSS code snippets?

As well as some classic and timeless CSS hacks you will also find many CSS3 snippets, like box-shadow, border-radius,linear-gradient and many more.

As people’s use and awareness of the Web grows, accessibility (or “universal design”) becomes more crucial. Accessibility is determined not only by a website’s code but by its design and content, which is why accessibility, standards and usability are so connected.

Web accessibility is a vast topic and has become a field unto itself. But don’t let that scare you. Accessibility is not terribly difficult to implement. It won’t hinder aesthetics or impede interaction as some believe. It’s just a smart way to design and develop.

The developers of TinyMCE brings you Plupload, a highly usable upload handler for your Content Management Systems or similar. Plupload is currently separated into a Core API and a jQuery upload queue widget this enables you to either use it out of the box or write your own custom implementation.

I loved the design aspect of print: laying out pages, choosing, matching or adjusting fonts, making pre-processors to allow really smart typography choices, tweaking typography settings, re-writing paragraphs for nicer breaking, and so on. At the end of the day, you can have a really satisfying thing you can hold in your hand.

In this video quick tip, we’ll review how to work with HTML 5 video in your own projects. Because older browsers and Internet Explorer do not understand the <video> element, we must also find a way to serve a Flash file to viewers who are utilizing those browsers.