2. Document Structure How to Add a DOCTYPE Declaration How to Set the HTML Language Attribute How to Create a Proper HTML Document Structure How to Add Character Encoding in Head Section How to Set the Page Title How to Add Viewport Meta Tag for Responsive Design How to Add a Description Meta Tag How to Link External CSS Files How to Add External JavaScript Files How to Add a Favicon How to Add Keywords Meta Tag How to Add Author Meta Tag How to Add Visible Content to Body Section How to Add Images with Alt Text How to Create Hyperlinks How to Add Multiple Meta Tags How to Create a Complete Head Section