CascadiaJS
@cascadiajs.com
A web + AI conference for the PacNW // June 1-2, 2026 in Seattle, WA // https://cascadiajs.com/2026
The CFP for #CascadiaJS 2026 is OPEN! Here's what you need to know:
📺 Submissions are 2-minute videos
🗓️ Closes on Jan 4, 2026
💪 We provide support and mentorship for new speakers
Every developer has a story, what's yours?
cascadiajs.com/2026/cfp
📺 Submissions are 2-minute videos
🗓️ Closes on Jan 4, 2026
💪 We provide support and mentorship for new speakers
Every developer has a story, what's yours?
cascadiajs.com/2026/cfp
November 10, 2025 at 6:41 PM
The CFP for #CascadiaJS 2026 is OPEN! Here's what you need to know:
📺 Submissions are 2-minute videos
🗓️ Closes on Jan 4, 2026
💪 We provide support and mentorship for new speakers
Every developer has a story, what's yours?
cascadiajs.com/2026/cfp
📺 Submissions are 2-minute videos
🗓️ Closes on Jan 4, 2026
💪 We provide support and mentorship for new speakers
Every developer has a story, what's yours?
cascadiajs.com/2026/cfp
CascadiaJS is coming back to Seattle, WA in 2026! 🔥
Join us as we dive into everything devs need to know to build on the open web in the era of AI.
Blind Bird tickets are on sale NOW. Grab one and save $300 on tickets before they sell out!
cascadiajs.com/2026
Join us as we dive into everything devs need to know to build on the open web in the era of AI.
Blind Bird tickets are on sale NOW. Grab one and save $300 on tickets before they sell out!
cascadiajs.com/2026
November 10, 2025 at 5:16 PM
CascadiaJS is coming back to Seattle, WA in 2026! 🔥
Join us as we dive into everything devs need to know to build on the open web in the era of AI.
Blind Bird tickets are on sale NOW. Grab one and save $300 on tickets before they sell out!
cascadiajs.com/2026
Join us as we dive into everything devs need to know to build on the open web in the era of AI.
Blind Bird tickets are on sale NOW. Grab one and save $300 on tickets before they sell out!
cascadiajs.com/2026
So... how does AI work anyway?
@ishananand.bsky.social demystifies LLM internals for web devs using a real LLM implemented entirely in vanilla JS that runs in the browser. No Ph.D. needed!
www.youtube.com/watch?v=clqB...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@ishananand.bsky.social demystifies LLM internals for web devs using a real LLM implemented entirely in vanilla JS that runs in the browser. No Ph.D. needed!
www.youtube.com/watch?v=clqB...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 29, 2025 at 9:14 PM
So... how does AI work anyway?
@ishananand.bsky.social demystifies LLM internals for web devs using a real LLM implemented entirely in vanilla JS that runs in the browser. No Ph.D. needed!
www.youtube.com/watch?v=clqB...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@ishananand.bsky.social demystifies LLM internals for web devs using a real LLM implemented entirely in vanilla JS that runs in the browser. No Ph.D. needed!
www.youtube.com/watch?v=clqB...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
You want to ship a Linear-like experience, so you install some CRDT libraries and expect things to Just Work™.
@hausdorff.bsky.social of moment.dev digs into why this isn't that simple.
www.youtube.com/watch?v=OGJx...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@hausdorff.bsky.social of moment.dev digs into why this isn't that simple.
www.youtube.com/watch?v=OGJx...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 28, 2025 at 5:34 PM
You want to ship a Linear-like experience, so you install some CRDT libraries and expect things to Just Work™.
@hausdorff.bsky.social of moment.dev digs into why this isn't that simple.
www.youtube.com/watch?v=OGJx...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@hausdorff.bsky.social of moment.dev digs into why this isn't that simple.
www.youtube.com/watch?v=OGJx...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Red hot 🔥 take on how to architect large data applications entirely in JS.
Kenny Daniel covers how he built Hyparquet & HighTable for loading Parquet files in the browser.
www.youtube.com/watch?v=J06r...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Kenny Daniel covers how he built Hyparquet & HighTable for loading Parquet files in the browser.
www.youtube.com/watch?v=J06r...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 27, 2025 at 4:39 PM
Red hot 🔥 take on how to architect large data applications entirely in JS.
Kenny Daniel covers how he built Hyparquet & HighTable for loading Parquet files in the browser.
www.youtube.com/watch?v=J06r...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Kenny Daniel covers how he built Hyparquet & HighTable for loading Parquet files in the browser.
www.youtube.com/watch?v=J06r...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
JavaScript wasn't always the cool kid on the block 😎
@anniesexton.com will share its superhero origin story about how a lil 10-day hackathon became the cornerstone of modern web dev.
www.youtube.com/watch?v=Sl3X...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@anniesexton.com will share its superhero origin story about how a lil 10-day hackathon became the cornerstone of modern web dev.
www.youtube.com/watch?v=Sl3X...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 25, 2025 at 8:18 PM
JavaScript wasn't always the cool kid on the block 😎
@anniesexton.com will share its superhero origin story about how a lil 10-day hackathon became the cornerstone of modern web dev.
www.youtube.com/watch?v=Sl3X...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@anniesexton.com will share its superhero origin story about how a lil 10-day hackathon became the cornerstone of modern web dev.
www.youtube.com/watch?v=Sl3X...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Do you *really* need to rebuild your site in that hot, new framework? 🤔
Watch as @seancdavis.com builds the same app w/ and w/o a framework, revealing their true role & curing your FOMO.
www.youtube.com/watch?v=SeKt...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Watch as @seancdavis.com builds the same app w/ and w/o a framework, revealing their true role & curing your FOMO.
www.youtube.com/watch?v=SeKt...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 24, 2025 at 4:15 PM
Do you *really* need to rebuild your site in that hot, new framework? 🤔
Watch as @seancdavis.com builds the same app w/ and w/o a framework, revealing their true role & curing your FOMO.
www.youtube.com/watch?v=SeKt...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Watch as @seancdavis.com builds the same app w/ and w/o a framework, revealing their true role & curing your FOMO.
www.youtube.com/watch?v=SeKt...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
AI is thriving on the server side, but the web is catching up! 💪
@philna.sh explores how to build browser AI apps, like an offline translator, leveraging current and future Web APIs.
www.youtube.com/watch?v=bZGo...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@philna.sh explores how to build browser AI apps, like an offline translator, leveraging current and future Web APIs.
www.youtube.com/watch?v=bZGo...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 23, 2025 at 8:37 PM
AI is thriving on the server side, but the web is catching up! 💪
@philna.sh explores how to build browser AI apps, like an offline translator, leveraging current and future Web APIs.
www.youtube.com/watch?v=bZGo...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@philna.sh explores how to build browser AI apps, like an offline translator, leveraging current and future Web APIs.
www.youtube.com/watch?v=bZGo...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
What is the Web without a browser?
@nearestnabors.com takes us on a journey from Geocities to Google to GPT to understand the how the web is changing in the landscape of AI 🔥
www.youtube.com/watch?v=1bLX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@nearestnabors.com takes us on a journey from Geocities to Google to GPT to understand the how the web is changing in the landscape of AI 🔥
www.youtube.com/watch?v=1bLX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 22, 2025 at 2:53 PM
What is the Web without a browser?
@nearestnabors.com takes us on a journey from Geocities to Google to GPT to understand the how the web is changing in the landscape of AI 🔥
www.youtube.com/watch?v=1bLX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@nearestnabors.com takes us on a journey from Geocities to Google to GPT to understand the how the web is changing in the landscape of AI 🔥
www.youtube.com/watch?v=1bLX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Did you know a phone could do that? 📱
@GantLaborde.com & @MazenChami.dev show us how to integrate on-device AI features into your React Native apps for real-time, offline intelligence.
www.youtube.com/watch?v=e3t0...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@GantLaborde.com & @MazenChami.dev show us how to integrate on-device AI features into your React Native apps for real-time, offline intelligence.
www.youtube.com/watch?v=e3t0...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 21, 2025 at 3:59 PM
Did you know a phone could do that? 📱
@GantLaborde.com & @MazenChami.dev show us how to integrate on-device AI features into your React Native apps for real-time, offline intelligence.
www.youtube.com/watch?v=e3t0...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@GantLaborde.com & @MazenChami.dev show us how to integrate on-device AI features into your React Native apps for real-time, offline intelligence.
www.youtube.com/watch?v=e3t0...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Promises freed us from callback hell. But reactivity hell—debug loops, messy effects, brittle state—still haunts us.
@pzuraq.bsky.social discusses reimagining state to break the cycle.
www.youtube.com/watch?v=wW1A...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@pzuraq.bsky.social discusses reimagining state to break the cycle.
www.youtube.com/watch?v=wW1A...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 20, 2025 at 9:17 PM
Promises freed us from callback hell. But reactivity hell—debug loops, messy effects, brittle state—still haunts us.
@pzuraq.bsky.social discusses reimagining state to break the cycle.
www.youtube.com/watch?v=wW1A...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@pzuraq.bsky.social discusses reimagining state to break the cycle.
www.youtube.com/watch?v=wW1A...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Can you be proud of what you built using AI? 🤔
@craigsdennis.dev is an engineer at Cloudflare and host of the new show AI Avenue and he's got some thoughts on this confusing time.
www.youtube.com/watch?v=nKgC...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@craigsdennis.dev is an engineer at Cloudflare and host of the new show AI Avenue and he's got some thoughts on this confusing time.
www.youtube.com/watch?v=nKgC...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 17, 2025 at 2:17 PM
Can you be proud of what you built using AI? 🤔
@craigsdennis.dev is an engineer at Cloudflare and host of the new show AI Avenue and he's got some thoughts on this confusing time.
www.youtube.com/watch?v=nKgC...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@craigsdennis.dev is an engineer at Cloudflare and host of the new show AI Avenue and he's got some thoughts on this confusing time.
www.youtube.com/watch?v=nKgC...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Join @bytesofbree.bsky.social to explore how to learn how creative frontend tools can turn websites into full-sensory experiences that feel as good as they function. 💫
www.youtube.com/watch?v=oWNH...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
www.youtube.com/watch?v=oWNH...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 15, 2025 at 12:38 AM
Join @bytesofbree.bsky.social to explore how to learn how creative frontend tools can turn websites into full-sensory experiences that feel as good as they function. 💫
www.youtube.com/watch?v=oWNH...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
www.youtube.com/watch?v=oWNH...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
What if you could use multimodal LLMs to interact with websites using motion control? 🎮
@devdevcharlie.com will take you through building motion-controlled prototypes using LLMs in JS.
www.youtube.com/watch?v=_DbX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@devdevcharlie.com will take you through building motion-controlled prototypes using LLMs in JS.
www.youtube.com/watch?v=_DbX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 13, 2025 at 3:17 PM
What if you could use multimodal LLMs to interact with websites using motion control? 🎮
@devdevcharlie.com will take you through building motion-controlled prototypes using LLMs in JS.
www.youtube.com/watch?v=_DbX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@devdevcharlie.com will take you through building motion-controlled prototypes using LLMs in JS.
www.youtube.com/watch?v=_DbX...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Join @nerdy.dev for a fast paced, animated, and jam packed tik-talk on CSS features from the past ~5 years, including syntax, typography, color, architecture, and more!
www.youtube.com/watch?v=QW6G...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
www.youtube.com/watch?v=QW6G...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 12, 2025 at 10:23 PM
Join @nerdy.dev for a fast paced, animated, and jam packed tik-talk on CSS features from the past ~5 years, including syntax, typography, color, architecture, and more!
www.youtube.com/watch?v=QW6G...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
www.youtube.com/watch?v=QW6G...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
What does an agentic internet look like? 🤔
@webai.bsky.social walked us through how to create client-side AI agents in JS, powered by smaller LLMs, to perform useful work using Web AI.
www.youtube.com/watch?v=4J9R...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@webai.bsky.social walked us through how to create client-side AI agents in JS, powered by smaller LLMs, to perform useful work using Web AI.
www.youtube.com/watch?v=4J9R...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 10, 2025 at 4:51 PM
What does an agentic internet look like? 🤔
@webai.bsky.social walked us through how to create client-side AI agents in JS, powered by smaller LLMs, to perform useful work using Web AI.
www.youtube.com/watch?v=4J9R...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@webai.bsky.social walked us through how to create client-side AI agents in JS, powered by smaller LLMs, to perform useful work using Web AI.
www.youtube.com/watch?v=4J9R...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Apparently, this video is so hot, it's been "blocked in some countries and/or regions" according to YouTube 🔥
So, we hope you're able to watch @kevin.mn break down OpenAI's GPT-5 ⚡️
youtu.be/kImnnMUcMfM
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
So, we hope you're able to watch @kevin.mn break down OpenAI's GPT-5 ⚡️
youtu.be/kImnnMUcMfM
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 9, 2025 at 9:04 PM
Apparently, this video is so hot, it's been "blocked in some countries and/or regions" according to YouTube 🔥
So, we hope you're able to watch @kevin.mn break down OpenAI's GPT-5 ⚡️
youtu.be/kImnnMUcMfM
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
So, we hope you're able to watch @kevin.mn break down OpenAI's GPT-5 ⚡️
youtu.be/kImnnMUcMfM
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
What's new in React and Next.js?
@shrutikapoor08.bsky.social dives into the latest and greatest techniques for building modern and performant websites using these tools ⚡️
youtu.be/ZDZPxmFZ6yk?...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@shrutikapoor08.bsky.social dives into the latest and greatest techniques for building modern and performant websites using these tools ⚡️
youtu.be/ZDZPxmFZ6yk?...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 8, 2025 at 4:15 PM
What's new in React and Next.js?
@shrutikapoor08.bsky.social dives into the latest and greatest techniques for building modern and performant websites using these tools ⚡️
youtu.be/ZDZPxmFZ6yk?...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@shrutikapoor08.bsky.social dives into the latest and greatest techniques for building modern and performant websites using these tools ⚡️
youtu.be/ZDZPxmFZ6yk?...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
Are micropayments on the web finally here? 💰
@ioanacis.bsky.social of @interledger.interledger.social.ap.brid.gy joined us to unroll Web Monetization’s path to standardization.
youtu.be/v-dFoIWHTM4
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@ioanacis.bsky.social of @interledger.interledger.social.ap.brid.gy joined us to unroll Web Monetization’s path to standardization.
youtu.be/v-dFoIWHTM4
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 7, 2025 at 2:02 PM
Are micropayments on the web finally here? 💰
@ioanacis.bsky.social of @interledger.interledger.social.ap.brid.gy joined us to unroll Web Monetization’s path to standardization.
youtu.be/v-dFoIWHTM4
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@ioanacis.bsky.social of @interledger.interledger.social.ap.brid.gy joined us to unroll Web Monetization’s path to standardization.
youtu.be/v-dFoIWHTM4
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
There's a lot of excitement around MCP, but web developers are wondering: what does it mean to me?
@kentcdodds.com joined us to break it down ⚡️
www.youtube.com/watch?v=bcau...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@kentcdodds.com joined us to break it down ⚡️
www.youtube.com/watch?v=bcau...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 6, 2025 at 5:19 PM
There's a lot of excitement around MCP, but web developers are wondering: what does it mean to me?
@kentcdodds.com joined us to break it down ⚡️
www.youtube.com/watch?v=bcau...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
@kentcdodds.com joined us to break it down ⚡️
www.youtube.com/watch?v=bcau...
Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 4, 2025 at 10:39 PM
That's a wrap for #CascadiaJS 2025!
We like to say that this event is made up of hundreds of tiny modules that we `npm install` to create something special for our community 💚
Thanks to everyone who came, spoke or volunteered! We hope to see you all in 2026!
We like to say that this event is made up of hundreds of tiny modules that we `npm install` to create something special for our community 💚
Thanks to everyone who came, spoke or volunteered! We hope to see you all in 2026!
October 4, 2025 at 10:33 PM
That's a wrap for #CascadiaJS 2025!
We like to say that this event is made up of hundreds of tiny modules that we `npm install` to create something special for our community 💚
Thanks to everyone who came, spoke or volunteered! We hope to see you all in 2026!
We like to say that this event is made up of hundreds of tiny modules that we `npm install` to create something special for our community 💚
Thanks to everyone who came, spoke or volunteered! We hope to see you all in 2026!
We have begun publishing our 2025 talks, and we're going to kick things off with this banger from @jherr.dev on what's all the fuss about the new @tanstack.com framework?
youtu.be/uy2WSS1MjGM
Remember to smash that subscribe button to get notified when we ship more videos from #CascadiaJS 2025! 📺
youtu.be/uy2WSS1MjGM
Remember to smash that subscribe button to get notified when we ship more videos from #CascadiaJS 2025! 📺
October 4, 2025 at 10:28 PM
We have begun publishing our 2025 talks, and we're going to kick things off with this banger from @jherr.dev on what's all the fuss about the new @tanstack.com framework?
youtu.be/uy2WSS1MjGM
Remember to smash that subscribe button to get notified when we ship more videos from #CascadiaJS 2025! 📺
youtu.be/uy2WSS1MjGM
Remember to smash that subscribe button to get notified when we ship more videos from #CascadiaJS 2025! 📺
Tonight's the night! After 2 days, 44 talks and tons of great moments it's time to celebrate the end of another #CascadiaJS with our Closing Party featuring DJ Summersoft and karaoke by Baby Ketten!
Thanks to @Cloudflare.social for sponsoring ❤️🎉🌲
Thanks to @Cloudflare.social for sponsoring ❤️🎉🌲
September 19, 2025 at 11:01 PM
Tonight's the night! After 2 days, 44 talks and tons of great moments it's time to celebrate the end of another #CascadiaJS with our Closing Party featuring DJ Summersoft and karaoke by Baby Ketten!
Thanks to @Cloudflare.social for sponsoring ❤️🎉🌲
Thanks to @Cloudflare.social for sponsoring ❤️🎉🌲
Look who's here! @ThugDebugger.dev & team @RenderATL.com have made it up to #CascadiaJS 2025. And they're sponsoring coffee for our attendees! ☕️
Btw, an awards show for open source called The Commits? Brilliant 🤩
Btw, an awards show for open source called The Commits? Brilliant 🤩
September 18, 2025 at 10:51 PM
Look who's here! @ThugDebugger.dev & team @RenderATL.com have made it up to #CascadiaJS 2025. And they're sponsoring coffee for our attendees! ☕️
Btw, an awards show for open source called The Commits? Brilliant 🤩
Btw, an awards show for open source called The Commits? Brilliant 🤩