Three ways to detect React performance issues

January 29, 2025 By Mark Otto 0

💡 Along similar lines, React Scan continues to go from strength to strength, and React Geiger (though not updated in a while) provides an interesting audio based way to ‘hear’ performance issues.

The First Newsletter Dedicated to Product Engineers — The fastest growing startups increasingly rely on product engineers. They can both figure out what to build and actually build it. Product for Engineers is dedicated to sharing the skills and strategies needed to succeed in this role.

PostHog

🛠  Code, Tools & Libraries

Ruck 9.0: A React Webapp Framework for Deno — A lean React-based way to build modern React apps with Deno using features like ESM, dynamic imports, HTTP imports, and import maps with no transpilation or bundling required.

Jayden Seric

📰 Classifieds

Protect your SaaS app with advanced device fingerprinting from WorkOS Radar. Stop fake signups, free tier abuse, bot attacks and brute force attempts today.


🪄 Codemagic: A great App Center alternative for React Native devs! 8x faster builds, CodePush, easy distribution. 1-month free trial!

📢  Elsewhere in JavaScript

A quick roundup of some of other interesting stories in the broader JavaScript landscape, in case you’ve missed them: