Why do my web pages take so long to load?

Related questions

1. What does YSlow score mean?
2. How many requests should a website have?
3. How long will users wait for a page to load?
4. Does display none affect performance?

Tags

1. #internet
2. #makes
3. #pages
4. #takes
5. #because
6. #called
7. #faster
8. #speed
9. #websites
10. #something
11. #there
12. #optimization
13. #separate
14. #which