Please help to review my education website Options

[hellohk]

Please comment what you think about this website that created by me.
https://www.openschool.hk

Rating:
(1) Outlook design (what do you think?)
(2) HTML/HTML5 tags (How about the design technical?)
(3) Easy to read (Do you think it is easy for your to read?)
(4) Speed (Is it fast enough?)
(5) Do you like this school ebook? (This ebook is published here in pdf format, what do you think?)

(6) Other comments (Any other comments?)