What is link rel alternate?

Related questions

1. What is rel and href?
2. What is a 301?
3. What is meant by canonical representation in logic design?
4. How important is Hreflang?
5. What is Hreflang in HTML?
6. How do I fix canonical problems?
7. What is meant by canonical representation?
8. What is rel canonical?
9. What are the different types of canonical forms?
10. What is the difference between canonical form and standard form?

Tags

1. #attribute
2. #means
3. #value
4. #representation
5. #document
6. #proposed
7. #alternate
8. #current
9. #format
10. #different
11. #designated
12. #combination
13. #contents
14. #other
15. #itself