433: CodePen 2.0 is Backward Compatible with Any Classic Pen or Project
When we set out to build the 2.0 editor, another editor in the CodePen cannon, the goal was actually to reduce the number of editors we have...
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Chris Coyier, Alex Vazquez, and Tim Sabat, the co-founders of CodePen talk about the ins and outs of running a web software business.
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Listen to CodePen Radio, a Technology podcast by CodePen Blog. Stream 110 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.
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432: Trends of 2026 (So Far)
Marie has her eye on what seems to be super popular with CodePen users so far this year. Galleries (in different directions) https://codepen...
431: Versions are Deeply Integrated into CodePen
Rachel and Chris on the podcast this week discussion the (ahem, rather large news) that every CodePen 2.0 Pen is versioned. That's right, yo...
430: The Wild World of Keyboard Shortcuts in Web Apps
Shaw and Chris talk about how the keyboard shortcut situation is challenging, but in the best shape it's ever been in for our 2.0 editor. Be...
429: Why CodePen Rebuilt Its Realtime Service
We've had realtime features on CodePen for ages. Back when it was pretty damn hard. Our Collab Mode is an obvious one, where users can code...
428: Improving The Entire Billing System (is Very Worth It)
Rachel and Chris on the show this week to discuss a series of big changes over the last, say, six months or so with our billing system. We'v...
427: Next.js and The Journey of SSR
Having that first response from the server to users browsers be, ya know, full of good, useful, renderable HTML is certainly better than an...
426: Browserslist in CodePen 2.0
Stephen and Chris chat about how the 2.0 editor (well, the compiler really) understands and supports Browserslist, a config format that live...
425: Help Your Users Help You with Debug Logs
As we're getting close to rounding out the Beta period of the 2.0 editor, we're trying to close out any bugs we find or users report quickly...
424: File List Optimization
The 2.0 Editor can support hundreds of files per Pen, not to mention folders mixed in which don't count toward that total. This can be prett...
423: 2.0 Templates
Stephen and Chris hop on the ol' podcast to talk about all the ways that Templates are way better in 2.0 land. You've always been able to ma...
422: Supporting Packages
Alex and Chris talk about how the 2.0 Editor supports packages from npm . The trick is both simple and complex. The idea is simple. We detec...
421: View Control of the 2.0 Editor
Stephen & Chris look at the UI of the 2.0 Editor and show all the control you have over what you're looking at. Way more control than the Cl...
420: What are Blocks?
With CodePen 2.0, we've got a new word we're using: Blocks . A way to think about Blocks is anything that processes code. They are added as...
419: Why 2.0?
CodePen 2.0 was the most ambitious project that we've ever taken on in our lives. Why would we do such a thing? Chris and Alex explain the t...
418: CodeMirror 6
Chris Coyier and Stephen Shaw discuss the transition from CodeMirror 5 to CodeMirror 6 , highlighting the significant improvements in access...
417: Iframe Allow Attribute Saga
There was a day not long ago where a Google Chrome browser update left any page with a CodePen Embed on it throwing a whole big pile of red...
416: Upgrading Next.js & React
Shaw and Chris are on the show to talk about the thinking and challenges behind upgrading these rather important bits of technology in our s...
415: Babel Choices
Robert and Chris hop on the show to talk about choices we've had to make around Babel . Probably the best way to use Babel is to just use th...
414: Apollo (and the Almighty Cache)
Rachel and Chris jump on the show to talk about a bit of client-side technology we use: Apollo . We use it because we have a GraphQL API and...