What does w3c validator do?

Related questions

1. What is valid conclusion?
2. What is w3c protocol?
3. What is HTML and CSS?
4. What is the purpose of w3c?
5. Can a valid argument have false premises and a false conclusion?
6. What is validation therapy used for?
7. How do you know if premises are true?
8. What is code validation?
9. What are the advantages of validation?
10. Why do we validate code?

Tags

1. #service
2. #quality
3. #allows
4. #markup
5. #validator
6. #formed
7. #check
8. #validation
9. #xhtml
10. #technical
11. #pages
12. #documents
13. #towards
14. #users
15. #important
16. #consortium
17. #internet
18. #world
19. #ensuring