Barry Pollard from the Chrome devrel team joins PodRocket to discuss the speculation rules API, a new browser feature designed to improve web performance through prefetch and pre-render techniques. Barry breaks down the history of speculative loading, contrasts SPA vs MPA behavior, and explains the nuances of hover prefetching, conservative prefetch, and the powerful new pre-render until script mode. Learn how Shopify and WordPress are adopting the API, what telemetry from Chrome Status reveals, and what developers need to know about potential pitfalls, caching behavior, and how the API is becoming a standard for static sites and e-commerce performance.

Website: https://www.tunetheweb.com

Perfnow: https://perfnow.nl/speakers.html#barry

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This months panel dives into Remix v3 without React, exploring its DIY VDOM framework and manual reactivity approach. We discuss the latest React Foundation governance changes and what React 19.2 brings, from the Activity component to useEffectEvent and server streaming support. The conversation also covers how the proposed H-1B $100,000 fee could affect tech hiring, thoughts on Firefox, the Perplexity and Washington Post paywall, and a spicy Tailwind vs CSS debate.

Paige Niedringhaus

TJ Van Toll

Jack Herrington

Noel Minchow

Remix v3 Dumps React for Pure Web Standards: The JS Rebellion That's Freeing Devs from Framework Hell!: https://bybowu.com/article/remix-v3-dumps-react-for-pure-web-standards-the-js-rebellion-thats-freeing-devs-from-framework-hell

Introducing the React Foundation: https://react.dev/blog/2025/10/07/introducing-the-react-foundation

Trump's $100,000 H-1B visa shock: https://www.bbc.com/news/articles/ce3yy58lj79o

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0:00 Intro

Special Guest: Jack Herrington.

Dominic Gannaway joins us to talk about Ripple.js, a new TypeScript-first UI framework built with its own templating language and a focus on clarity and reactivity. We explore how Ripple.js handles fine-grained updates through its track and block system, why it avoids global state, and how context plays a key role. Dominic also walks us through the developer experience, from the language server and VS Code integration to syntax highlighting and the Prettier plugin, plus how the framework handles error boundaries, server-side rendering, future plans, and more.

Twitter: https://x.com/trueadm

RippleJS GitHub: https://ripplejs.github.io

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00:00 – Intro & What is RippleJS

Ever wondered how source maps actually work? In this episode, Nicolo Ribaudo, Babel maintainer and TC39 delegate, breaks down how source maps connect your JavaScript, TypeScript, and CSS back to the original code — making debugging, stack traces, and observability smoother in Chrome dev tools.

We dive into how source maps help in both development and production with minified code, explore tools like Webpack, Rollup, Next.js, and Svelte, and share when you should turn off source maps to avoid confusion.

Website: https://nicr.dev

Squiggleconf talk: https://squiggleconf.com/2025/sessions#source-maps-how-does-the-magic-work

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00:00 Intro – Welcome to PodRocket + Introducing Nicolo Ribaudo

Andreas Rossberg unpacks WASM 3.0, covering new capabilities like garbage collection, exception handling, tail calls, and support for 64-bit addressing with multiple memories. The discussion explores deterministic profiles following relaxed sim, WebAssembly’s capability-based security model, and advances in sandboxing and module design. Andreas connects these features to practical use cases in JavaScript engines and applications like Google Sheets, then looks ahead to experimental work on threading, stack switching, and async programming models shaping the next phase of the WebAssembly ecosystem.

Website: https://people.mpi-sws.org/~rossberg

WASM 3.0 Completed: https://webassembly.org/news/2025-09-17-wasm-3.0

00:00 Intro – Andreas Rossberg and the WebAssembly 3.0 Update

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Jono Alderson joins the podcast to discuss why semantic HTML still matters today. He shares how thoughtful markup can improve accessibility and performance, from using the picture tag and responsive images to optimizing with content-visibility CSS. The conversation dives into common pitfalls like div soup, the shift toward more template-centric design, and techniques for improving the critical rendering path. Jono also discusses preloading, HTTP early hints, and the evolving role of structured data, LLMs, and Google’s trust signals in shaping a more meaningful and efficient web.

Website: https://www.jonoalderson.com

Why semantic HTML still matters: https://www.jonoalderson.com/conjecture/why-semantic-html-still-matters/

00:40 Meet Jono Alderson: SEO Consultant and Web Performance Expert

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In this episode of PodRocket, Adam Argyle and Kevin Powell discuss the results of the latest State of CSS survey and share how new capabilities like functions, mixins, nesting, and container queries are changing the way developers approach styling. We dive into the ongoing conversation around Tailwind and pre-processors, and look at the practical impact of features such as scroll driven animations, view transitions, and cascade layers. Adam and Kevin also explain how advances like relative color syntax and app property are making CSS variables more dynamic and reliable. Along the way, we touch on browser interoperability and imagine what’s ahead for CSS, from motion blur to fit text and beyond.

Adam Argyle

Kevin Powell

State of CSS 2025: https://2025.stateofcss.com

01:00 Why CSS Remains Irreplaceable

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Special Guests: Adam Argyle and Kevin Powell.

Is the web breaking under the weight of AI crawlers, platform consolidation, and nonstop security breaches? We dive into the state of browsers, developer burnout, and whether tech regulation can actually keep up.

In this panel discussion:

Inside the battle for the future of the web: https://www.businessinsider.com/google-microsoft-openai-fight-standards-limit-ai-access-websites-2025-9

The web has a new system for making AI companies pay up: https://www.theverge.com/news/775072/rsl-standard-licensing-ai-publishing-reddit-yahoo-medium

The Browser Company, maker of Arc and Dia, is being acquired: https://www.theverge.com/web/770947/browser-company-arc-dia-acquired-atlassian

Google stock jumps 8% after search giant avoids worst-case penalties in antitrust case: https://www.cnbc.com/2025/09/02/google-antitrust-search-ruling.html

Massive data breach sees 16 million PayPal accounts leaked online - here's what we know, and how to stay safe:https://www.techradar.com/pro/massive-data-breach-sees-16-million-paypal-accounts-leaked-online-heres-what-we-know-and-how-to-stay-safe

PayPal’s Glitch Puts €10 Billion on Ice Across European Banks: https://fintechnews.ch/payments/paypal-glitch-freezes-european-banks-10-billion-transactions/77974/

npm Author Qix Compromised via Phishing Email in Major Supply Chain Attack: https://socket.dev/blog/npm-author-qix-compromised-in-major-supply-chain-attack

Compromised files replace npm packages with a combined 2 billion weekly downloads: https://www.techradar.com/pro/security/compromised-files-replace-npm-packages-with-a-combined-2-billion-weekly-downloads

Shai-Hulud: Ongoing Package Supply Chain Worm Delivering Data-Stealing Malware: https://www.wiz.io/blog/shai-hulud-npm-supply-chain-attack

Coinbase CEO explains why he fired engineers who didn’t try AI immediately: https://techcrunch.com/2025/08/22/coinbase-ceo-explains-why-he-fired-engineers-who-didnt-try-ai-immediately/

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Feross Aboukhadijeh, founder of Socket, joins us to break down the recent wave of NPM supply chain attacks hitting the JavaScript ecosystem, including how attackers used phishing to target developers, snuck malware into popular packages like Prettier and "is", and even abused tools like Claude, Gemini, and TruffleHog.

Website: https://feross.org

npm Author Qix Compromised via Phishing Email in Major Supply Chain Attack: https://socket.dev/blog/npm-author-qix-compromised-in-major-supply-chain-attack

00:00 Intro: NPM supply chain attacks explained

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Special Guest: Feross Aboukhadijeh.

Mark Dalgleish joins us to talk about the latest in React Router, including its growing support for React Server Components (RSC). He breaks down what RSC data mode, framework mode, and declarative mode mean for developers, and how features like the middleware API and route module API are simplifying work across tools like Vite and Parcel.

We also dive into how React 19, static site generation with RSC, and smarter data batching are reshaping performance and the future of server-side rendering in React apps.

X: https://x.com/markdalgleish

React Router and RSC: https://remix.run/blog/react-router-and-react-server-components

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Special Guest: Mark Dalgleish.