CodePen Radio Podcast
1) #225: Learning New Things
Cassidy and Marie talk about their journey to keep learning new things, while also not stressing about trying to keep up with all the things in web development.
AUDIO REMOVED: The podcast creator has removed the audio for this episode.2) 407: Our Own CDN
Robert and Chris jump on to talk about own own little CDN project. Maybe that's not the right term, but we struggled with naming it. Truth be told, it's the /public/ folder in our monorepo, where the ...Show More
3) 406: Hot Trends of 2025
Marie and Chris jump on to discuss some of the trends of what people are building on CodePen here, approximately halfway through 2025. New CSS! Custom @functions (just landed) if() function...Show More
4) 405: Elasticsearch → Postgres Search
Alex & Chris get into a fairly recent technological change at CodePen where we ditched our Elasticsearch implementation for just using our own Postgres database for search. Sometimes choices like this...Show More
5) 404: Preventing Infinite Loops from Crashing the Browser
Stephen and Chris hop on to talk about how we're saving everyone from crashed browser tabs in CodePen's 2.0 editor. One simple: Executing JavaScript can cause a browser tab to entirely lock up, p...Show More
6) 403: Privacy & Permissions
Chris & Rachel hop on the show to talk about the expanded privacy (access) model in the 2.0 editor (in Private Beta as we speak). Private Pens have always been a big deal, but as private as they are, ...Show More
7) 402: Bookmarks
Pins are dead! Long live bookmarks! Pins was never a good name for the feature we have on CodePen where you can mark a Pen or Collection to more quickly jump back to it from anywhere on the site...Show More
8) 401: Outgoing Email
Hi! We're back! Weird right? It's been over 2 years. We took a break after episode 400, not because we ran out of things to talk about, but because we were so focused on our C...Show More
9) 400: Hiatus
Marie and I jump on the show to tell y'all we're taking a little break! It feels like years since we've been eluding to the fact that we're working on a new major upgrade to CodePen. Rather than keep ...Show More
10) 399: Data Munging
There was a small problem in our database. Some JSON data we kept in a column would sometimes have a string instead of an integer. Like {"tabSize": "5"} instead of {"tabSize": 5} of the like. Investig...Show More