Tips, Tricks, Tools April 27, 2026 1 min read

Dev Digest 217: All About Cookies, Better Agents & How OpenAI Built Codex

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HTML
CSS
JavaScript
Agentic Workflows
A cookie sat on a laptop that shows cookie code on its screen.

Inside last week’s Dev Digest 217.

🍪 All you ever wanted to know about cookies
🤖 Why ChatGPT cites one page over another
🛠️ How to build better agents
🌐 Is your site agent ready?
🔐 Get started on GitHub Actions security
🧠 How OpenAI built Codex
🧹 Getting rid of 15k circular dependencies
🎬 Generating videos with HTML, CSS and JS
🎮 Doom as a text adventure
💻 Should designers code?

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