HTTP Security Headers Explained: A Practical Guide for Developers
A website can use HTTPS, strong passwords, authentication, and secure application code and still have security weaknesses that browsers can help mitigate.
One of the simplest ways to add another layer of protection is through HTTP security headers.
Security headers allow a web server to tell the browser how certain resources should be handled, whether a page can be embedded, which origins can load content, and how much information should be included in referrer requests.
In this guide, we'll look at the most important security headers, explain what they do, and show practical configuration examples for modern websites.
