Tag: javascript

All the articles with the tag "javascript".

• Dynamic import(): the browser already caches our modules

  Published:5 Oct 2026

  Calling import() every time a feature is used doesn't download or evaluate the module again: the browser reuses it from its module map. What it guarantees, when the same module stops being the same, and what happens when the first load fails.

• WebMCP on a static site: the GeeksCAT Conf 2026 website, ready for agents

  Published:16 Sept 2026

  The GeeksCAT Conf 2026 website is a static Astro site that exposes its schedule, speakers and event details to AI agents through WebMCP. Three layers: a manifest in /.well-known, JSON endpoints generated at build time, and tool registration with document.modelContext.

• Forced Synchronous Layout: how to detect and analyze it with DevTools

  Published:27 Apr 2026

  How a scroll reset after mass DOM manipulation triggers a Forced Synchronous Layout, how to detect it in the Performance Panel and Selector Stats in Chrome DevTools, and how to fix it with requestAnimationFrame.

• Automate the browser from the terminal with Chrome DevTools MCP CLI

  Published:16 Apr 2026

  The chrome-devtools-mcp package includes an experimental CLI that lets you control Chrome directly from the terminal: navigate, interact, audit performance, analyze network and memory, all without leaving the shell.

• AI in Web Performance Audits: Deterministic Measurement and Actionable Reports

  Published:26 Mar 2026

  How to combine deterministic scripts and AI agents to go from metrics collection to an actionable report, and lay the foundations for continuous regression testing in performance.

• AI-Driven Performance Debugging: Gemini + Chrome DevTools MCP

  Published:18 Mar 2026

  A hands-on workshop for performance debugging with Gemini CLI connected to the browser via Chrome DevTools MCP: from identifying a Long Task in minified code to having the agent create the branch and open the PR.

• Adding an AI summary to blog posts with the Chrome Summarizer API

  Published:13 Mar 2026

  How to add an AI summary button to an Astro blog using the browser's native Chrome Summarizer API, without servers or external APIs.

• WebPerf Snippets: progressive disclosure in Claude Skills

  Published:10 Mar 2026

  Applying Anthropic's progressive disclosure system (L1/L2/L3) to reduce the context loaded by WebPerf Snippets Skills and free space in the agent's context window.