Posts

All the articles I've posted.

• SVGs on the web: performance comparison based on how you load them

  Published:24 feb 2026

  Inline, sprite with <use>, <object>, <img>... each way of loading an SVG has different implications for performance, caching and rendering. A practical analysis to help you choose well.

• Practical guide to the <img> element: from the basics to LCP

  Published:22 feb 2026

  The <img> element has attributes that make a real difference in performance: loading, decoding, fetchpriority, srcset and sizes. A practical guide to using them well.

• Yield to Main: setTimeout vs queueMicrotask vs scheduler.postTask

  Published:18 feb 2026

  A practical guide on how to use setTimeout, queueMicrotask and scheduler.postTask to break up long tasks and optimize INP. Comparison with measurable examples.

• Optimizing Consent Scripts for Core Web Vitals

  Published:13 feb 2026

  Consent management scripts (CMP) compete with critical resources if not prioritized correctly. A server-side strategy to optimize loading based on visit type.

• 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