What is HTTPS and why is it better than HTTP for a website?

HTTPS wraps HTTP in TLS, encrypting data between the browser and the server in transit and helping prevent tampering and passive eavesdropping on the network. It is not a replacement for all app security (you still need safe cookies, good auth, and XSS protections), but it is a baseline for privacy and trust. Modern browsers mark plain HTTP as not secure, and many features require a secure context.

https://yoursite.com/login
// Address bar: padlock = encrypted transport (details vary by implementation)

Start simple: try this concept in a tiny project before moving to advanced tools.