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Fern shares articles, talks, and implementation notes on product engineering, architecture, user experience, and software delivery.

Featured insights

Featured article

Optimizing your React application for the Interaction to Next Paint (INP) Web Vitals metric.

In March, Google released a new Core Web Vital called Interaction to Next Paint (INP). It measures the speed of interactions with the website. In this article, you’ll learn more about INP from the developer’s perspective. I’ll guide you through testing for INP, verifying potential causes of low INP scores, and how you can leverage new React tools to optimize your website for recent changes.

24 Mar '24

12 min read

  • #react

  • #performance

In March, Google released a new Core Web Vital called Interaction to Next Paint (INP). It measures the speed of interactions with the website. In this article, you’ll learn more about INP from the developer’s perspective. I’ll guide you through testing for INP, verifying potential causes of low INP scores, and how you can leverage new React tools to optimize your website for recent changes.

talk

Frontend architecture choices that stay maintainable

How to structure interface work so product teams can ship faster without burying business logic inside fragile component trees.

06 Apr '24

  • #architecture

  • #frontend

  • #delivery

talk

Designing motion without slowing down product workflows

A performance-minded view of interface motion, with practical guidance for using animation to clarify workflows without adding friction.

12 Nov '23

  • #interaction

  • #performance

  • #frontend

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