The future of loading CSS

Chrome will move to the faster Edge model for rendering.

Control CSS loading with custom properties

The power of CSS variables.

Caching best practices & max-age gotchas

How to tweak performance, save bandwidth, reduce server costs.

background-cache

API proposal to handle large upload/downloads in the background.

The Service Worker Lifecycle

How you can deliver seemless updates of web apps to users.

Fun hacks for faster content

Patterns and anti-patterns to speed up web rendering.

“You’re not a developer unless you’ve built a microprocessor using sand and your fists.”

“It seems the web community has decided that developer experience dwarfs user experience, and I’m not sure what to do about that…”

Do we need a new heading element? We don't know

Let’s try to find it out.

Combining fonts

Yes, you can pick and choose fonts for each character.

“I just saw a loading spinner that wasn’t quite rotating around the centre so my day’s ruined.”

HTTP/2 push is tougher than I thought

It’s powerful but there are drawbacks.

Introducing visualViewport

Did you already know that there’s more than one viewport?

Third party CSS is not safe

Why you shouldn’t use third party content you don’t trust.

What happens when packages go bad?

The impact of an attack, and what can be done about it.

Who has the fastest website in F1?

Let’s compare the performance of Formula One websites.

Service workers at TPAC

Potential new features and behaviours of service workers.

Streaming requests with the fetch API

The exciting new things you can do with request streams.

Different versions of your site can be running at the same time

Are you prepared for that?

AVIF has landed

How to use the new image format, and how it compares to others.