HTML5 Interview Questions - Part 3

1. Which HTTP status codes classes are used to designate success, client error and server error respectively?
2. When do DOM Content Loaded and Load events get fired ?
3. Would you place an async script tag right before </body> ?
4. Describe the same-origin policy as part of the web browser security model. Give a couple of practical limitations it may pose.
5. Why is HTML5 History API so essential for all single page applications?
6. What storage options do modern browsers provide ?
7. Which steps constitute the Critical Rendering Path for web browsers?
8. Why do you think Page Visibility API is useful?
9. Give a basic overview of the Push web technologies available today