What is xhtml in computer?

Related questions

1. Should I use html5 or xhtml?
2. What is the difference between XML and xhtml?
3. Is xhtml still used?
4. Is HTML and html5 the same?
5. What is the difference between xhtml and html5?
6. What is xhtml 1.0 strict?
7. What is xhtml strict?
8. Is xhtml the same as XML?
9. What is the full meaning of xhtml?
10. Is html5 a xhtml?

Tags

1. #stands
2. #therefore
3. #follow
4. #extensible
5. #language
6. #modified
7. #spinoff
8. #guidelines
9. #hypertext
10. #based
11. #referred
12. #syntax
13. #markup
14. #creating
15. #pages
16. #xhtml
17. #sometimes