Posts

All the articles I've posted.

• Chrome DevTools for Debugging Web Performance

  Published:2 ene 2026

  This article is available in English on the original source at PerfPlanet Performance Calendar 2025.

• Optimize rendering with content-visibility

  Published:27 dic 2025

  The CSS property content-visibility improves rendering performance. Practical case with metrics and snippets to detect opportunities.

• CSS Media Queries Analysis to Optimize Performance

  Published:2 dic 2025

  Learn how to analyze CSS media queries to detect and optimize unused styles on mobile, improving your website's performance with a simple JavaScript snippet.

• Talks 2023

  Published:31 dic 2023

  A review of the talks I gave during 2023

• Interpret Your Metrics Correctly

  Published:4 mar 2023

  A metric number is just a number, until you know how to interpret it.

• Analyzing User Flow Web Performance with Chrome DevTools

  Published:8 nov 2021

  In Chrome 97 a new tool appears in DevTools to measure performance in the navigation and interaction experience of visitors to our website

• My Opinion on Tailwind CSS

  Published:26 ene 2021

  Utility-First CSS frameworks are gaining a lot of traction, especially Tailwind CSS. Is it a good option?

• I Prefer PostCSS

  Published:8 ene 2021

  Let me explain why I prefer PostCSS for writing CSS.