5 React JS Tricks to Improve Site Speed and Efficiency in 2026 (opens in new tab)

A practical guide for frontend developers who want faster, leaner React apps - without the fluff. Performance is no longer a "nice to have." With Core Web Vitals directly influencing SEO rankings and user retention dropping sharply after a 2-second load time, a slow React app is a business problem. The good news? React's ecosystem in 2026 gives us sharper tools than ever. Here are five tricks that actually move the needle. 1. Stop Over-Rendering with useMemo, useCallback, and memo - But Actua...