Learn about current best practices with Vary, Link, Content-Security-Policy, Referrer-Policy, Client-Hints, Clear-Site-Data and Alt-Svc, upcoming features such as Feature-Policy and proposals like Variants, Early-Hints and Origin-Policy. HTTP gives you incredibly powerful control over many aspects of the way a browser will process the page and is often a more effective or more secure option than trying to achieve the same effect with tags or script in the page.
The Complete Web Developer Bootcamp
The Complete 2019 Web Development Bootcamp
Basic to Semantic HTML: How to Structure Web Pages
Web Development for beginners: Build Website from Scratch