Den Odell

Den Odell @denodell

About: Frontend architect and author of "Performance Engineering In Practice" (Manning). Built platforms for Canva, Volvo, Nike, and MINI. Now focused on fast, accessible web apps and tools to help others.

Location:
United Kingdom
Joined:
Apr 1, 2024

Den Odell
articles - 11 total

Constraints and the Lost Art of Optimization

In 1984, Steve Jobs walked over to a bag standing on stage and pulled out a computer that would...

Learn More 0 0Feb 23

The Main Thread Is Not Yours

When a user visits your site or app, their browser dedicates a single thread to running your...

Learn More 1 0Jan 8

Escape Velocity: Break Free from Framework Gravity

Frameworks were supposed to free us from the messy parts of the web. For a while they did, until...

Learn More 16 8Nov 5 '25

HTML’s Best Kept Secret: The <output> Tag

Every developer knows &lt;input&gt;. It’s the workhorse of the web. But &lt;output&gt;? Most have...

Learn More 0 0Oct 1 '25

Code Reviews That Actually Improve Frontend Quality

Most frontend reviews pass quickly. Linting's clean, TypeScript's happy, nothing looks broken. And...

Learn More 0 0Aug 20 '25

We Keep Reinventing CSS, but Styling Was Never the Problem

We’ve been building for the web for decades. CSS has had time to grow up, and in many ways, it has....

Learn More 0 2Aug 7 '25

The Web Is About to Get Better for Everyone, Everywhere

The next big thing in web development isn’t a framework. It’s a piece of legislation. Starting...

Learn More 0 0Jul 23 '25

AI Is Just The Latest Frontend Killer. Don't Panic.

Apparently, frontend developers are about to be made obsolete. AI can scaffold a site from a prompt,...

Learn More 0 0Jul 9 '25

Building the Web in Islands, Not Mountains

Not every site needs to be a full-blown app. In fact, most don’t. What they need is to be fast,...

Learn More 0 0Jun 25 '25

Hacking Layout Before CSS Even Existed

Before flex, before grid, even before float, we still had to lay out web pages. Not just basic...

Learn More 0 1Jun 11 '25

Want to Be a Better Frontend Engineer? Try a Week On-Call

You’re going to hate me for saying this, but I actually like being on-call. I know. I know. But hear...

Learn More 0 0Jun 4 '25