Codrops CSS Reference

An extensive CSS reference with all the important properties and info to learn CSS from the basics Extensive reference sporting clear explanations, examples, live demos (using Codrops’ Playground), CSS compatibility tables (provided by Can I use…), etc.. The fact that Sara Soueidan wrote a lot of these articles gives away that they’re very – very! …

The ServiceWorker is coming, look busy!

Look at the apps on your homescreen. Why are they native? Why aren’t they just on the web? Its usually some combination of push messaging, background sync, offline & performance. When native has something the web doesn’t, we should consider it a bug. Let’s have a look at the fixes, focusing on the ServiceWorker. By …

SecurityHeaders.com

Run a free test of a website’s HTTP headers and learn how it performs from a security perspective! Checks for the following headers and their values: Access Control Allow Origin Content Security Policy Cross Domain Meta Policy NoSniff Server Information Strict Transport Security UTF-8 Character Encoding X-Frame-Options X-Powered-By X-XSS-Protection SecurityHeaders.com →

Chrome M40: The Virtual Viewport

The idea of the virtual viewport is to split the notion of “the viewport” into two, “the layout viewport” (where fixed position items are attached) and “the visual viewport” (What the users actually see). In the screenshots above you can cleary see this in action: without a virtual viewport it’s not possible to view right …

Front-end Job Interview Questions

Brilliant — BRILLIANT! — and extensive list of questions to vet potential front-end developers during their job interview. Ranges from simple questions to some very in-depth ones. A few examples: What did you learn yesterday/this week? Name 3 ways to decrease page load (perceived or actual load time). Can you explain the difference between GET …