The article provides 10 React security best practices to help developers secure their applications against common vulnerabilities such as cross-site scripting (XSS), URL-based script injection, and JSON injection attacks. It emphasizes the importance of using default XSS protection with data binding, sanitizing HTML, avoiding direct DOM access, and securing server-side rendering. The article also highlights the need to check for known vulnerabilities in dependencies, avoid using vulnerable versions of React, and use linter configurations to detect security issues in code. Additionally, it provides tools such as Snyk and dompurify to help developers identify and fix security issues in their applications.