Carlos D. DubónCarlos Daniel Dubón

My
development
insights
&
tutorials

Read my latest blog posts where I share insights, tutorials, and experiences from my journey as a frontend engineer.

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Understanding loading states in Tanstack Query v5.

By Carlos Dubón

A guide to isLoading, isPending, and isFetching in Tanstack Query v5

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How image decoding affects Interaction to Next Paint (INP).

By Carlos Dubón

Large images don't just slow downloads—they can also hurt INP.

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Fixing laggy scrolling caused by CSS.

October 12, 2025

By Carlos Dubón

CSS can hurt scroll performance more than you think—especially with fixed elements. Here's how to detect and fix the issue.