Here's the general setup:
Every page will have an image, some text, and a place to input a password.
Some riddles will require expert thinking, some will require use of outside resources.
Some things I would recommend:

Sometimes you will have to think outside the box for the answer.
If you need a hint, try checking the source!
If you give a wrong answer, you'll be taken to a blank page.
Also, passwords will always be in all lowercaps, no spaces.
With that out of the way, input the password and get started!