Sizes=”auto” pretty much requires width and height attributes — ericportis.com

Taking RWD To The Extreme — Smashing Magazine

Some really great advice here:

• Use native layout systems
• Start with semantic HTML
• Use fluid type with fluid space
• Always bet on progressive enhancement
• Trust the browser
• Ditch the “physical” CSS

Hyper-responsive web components | Trys Mudford

Trys describes exactly the situation where you really do need to use the Shadow DOM in a web component—as opposed to just sticking to HTML web components—, and that’s when the component is going to be distributed and you have no idea where:

This component needed to be incredibly portable, looking great on any third-party website, in any position, at any viewport, with any amount of content. It had to be a “hyper-responsive” component.

Extending Responsive Video with HTML Web Components | Scott Jehl, Web Designer/Developer

Scott gives a thorough step-by-step walkthrough of building an HTML web component, in this case for responsive video:

In this post, I’m going to talk briefly about responsive video, but most of the post will be about using HTML web components to extend native video behavior in very helpful ways. But even if you’re not particularly interested in video development, stick around as I’ll demonstrate how to build an HTML Web Component to progressively enhance anything you need.

Learn Images

Mat has written this free course for you all about images on the web. Covering image formats, responsive images, and workflows, this is one to keep on speed dial.

Diana Ashktorab

This is my new favourite indie web site (super performant and responsive too).