Coding school App Academy has opened a free online interactive version of its 12-week curriculum. That’s a pretty good deal, since the Academy’s in-person classes in San Francisco and New York can cost as much as a semester in university. The online version involves less direct human interaction, but it includes online mentors and access to a community Slack chat.

We're still coming to terms with the ramifications of the EU's General Data Protection Regulation (GDPR). If you don't run a website, it's a lot less complicated. If you do... well, you might be surprised to learn it's not just the obvious things you have to worry about. Take something as simple as the fonts you use — if they're served via Google Fonts, you could be in breach.

Many of us created two versions of our websites back in the day; a regular desktop version and a mobile version. Using some fancy code, we pushed mobile devices to a m.version of our sites while everyone else went to the regular www.version. But with the advent of responsive sites, we need a way to move all our "m." users to the new, responsive site without breaking old URLs. Google has provided some guidance on doing that.

Browser vendors have made massive strides with JavaScript performance. Google kicked things off with its V8 engine, but since then, the likes of Mozilla and Microsoft have come back with snappy virtual machines of their own. But JavaScript can only take you so far. The next step is WebAssembly (wasm), which supports compilation from C/C++ and near-native performance in the browser. Both Chrome and Firefox now have wasm enabled by default.

In web development, it's not always easy to keep up-to-date with all the fancy debugging features of modern browsers. That said, a strong command of your browser's development console can take you a long way, if you're sharp with JavaScript.

Updates to plain HTML aren't as exciting as say, your scripting / server-side language of choice, but seeing as it's the backbone of the front-facing web, it's a good idea to check-up on old faithful every so often. If you've decided to choose today to pop in -- great timing! HTML 5.1 recently became World Wide Web Consortium's "gold standard".

As the adage goes, it's never too late to start over. If you feel like a career change and like the idea of building websites for a living, this infographic from finance site Varooma contains everything a beginner needs to know about web development - with an emphasis on getting paid.

When it comes to designing a website, or even a single page, there are a few basic rules: Keep it fast, clean and simple. OK, that's all good and well, but once you get beyond the low-hanging fruit and into the nitty-gritty, what should you be paying attention to? You might be surprised what works and what doesn't, as Help Scout explains.

It was once the case that to do anything fancy with a web page, you needed a healthy dose of JavaScript. However, it's 2016 and HTML and CSS have come a long way. You might be surprised at what you can do without a single line of JS.

Want a career in web development? Then you’re going to need to know how to use the language of the web, JavaScript. Now Lifehacker readers can get the training required for success with the JavaScript Coding 2016 Bundle, offered at a savings of more than 90% off the retail price.

Being a business owner comes with a lot of assumed knowledge; about their company, about their offerings and about their industry. But just because something is obvious to you doesn't mean it is for customers. To understand and to connect with customers better, every now and then a business owner needs to think like a customer. The best place to start doing this is through their official website. Here's how.

If you're a web developer, you need to consider how your designs will appear on mobile sites. Responsive web design is an excellent way to adapt to all screen sizes. These GIFs can teach you how it works.

Last week we saw comparisons between image formats for single-pixel images. But what about the other extreme -- massive, single-colour pictures? Once again, Cloudinary's Jon Sneyers dives into the world of compression to see if JPEG, PNG or GIF comes out on top.

The digital equivalent of the question "How long is a piece of string?" could be "How big is a pixel?" The naive answer is "four bytes" -- one for each colour channel (RGB) and alpha -- but depending on the file format, a pixel could be much bigger, ranging from a few to hundreds of bytes.

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Looking for a new career but don’t want to spend a lot of time and money on training? Then you are going to want to check out The Complete Web Development Course, which offers all the education required to make pro-level webpages that could earn you a huge payday. Best of all, Lifehackerreaders can get this training for a fraction of its normal value.

Choosing which tech startup to join can be tough for would-be interns. How can you tell if you're a good cultural fit or if the company's product is even worth your time? Fintern is looking to address this issue with its second Fintern Fever event, which invites Australian university students and startups to "speed date" one another .

Want to design professional looking web pages? Then you are going to need professional training. The Complete Web Developer Course, marked down to just $19 AUD for Lifehacker Australia readers, offers all the education anyone requires to break into this rewarding industry.

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