Using Axios to set request headers

The article provides an in-depth guide on configuring HTTP request headers using Axios, a versatile HTTP client for both browser and Node.js environments, highlighting the importance of headers in securing and optimizing client-server communication. It explains how to set headers per request and globally, leveraging Axios' configuration options, instances, and interceptors, and emphasizes the benefits of using interceptors for dynamic header management based on user roles and application state. The article also addresses common issues developers face with headers, such as CORS errors and the importance of correct header naming conventions, offering solutions like using proxy servers or explicitly setting Content-Type headers. Additionally, it covers handling insecure requests, such as self-signed certificates, and provides best practices to maintain security across different environments. Throughout, it underscores the role of effective header management in enhancing application performance and security, while also promoting the use of LogRocket for monitoring frontend performance and debugging.