Async CSS w/ link[rel=preload]

Markup and polyfill to fetch a CSS file in a non-render-blocking manner.

“It’s puzzling that the value of Progressive Enhancement is still questioned, despite all evidence of the inherent inequality of web access.”

“An app is a website that requires you to download a browser along with its content.”

Modernizing our Progressive Enhancement Delivery

Ways to speed up websites even more.

Maintaining Accessibility in a Responsive World

Lessons learned at Filament Group.

Modern Asynchronous CSS Loading

How to prioritize and streamline assets for fast, resilient delivery.

Swapping Images with the Sizes Attribute

Responsive, JavaScript-enhanced image magnifier component.

“It’s easier to make a fast website than it is to keep a website fast.”

Inlining or Caching? Both Please!

How to to avoid a longstanding drawback of inlining files.

Styling a Select Like It's 2019

Nowadays, you can style a ‘select’ pretty nicely with CSS.

The Simplest Way to Load CSS Asynchronously

A simple HTML approach may be all you need.

5G Will Definitely Make the Web Slower, Maybe

What an average person can expect from 5G.

“If you’re having z-index problems I feel bad for you son, I’ve got 999999999999999999999999999999999999999999999999999999999999999999999999999999 and it seems to work alright on my machine.”

ASPIRE: Ideals to Aspire to When Building Websites

The meaning of the acronym ASPIRE.

We need more inclusive web performance metrics

It‘s wrong to optimize for visual clues at the expense of others.

Modal

A simple, accessible modal dialog web component.

“The modern web dev is an extreme overreaction to not liking some php.”

HTML Video Sources Should Be Responsive

Removing ‘media’ support from HTML video was a mistake.