I need info on this website of satanic prayers.

My opinion:

It felt weird to me...I couldn't stay on the page for long. Then again, I used to be Catholic, and the "thees" and "thous" reminded me too much of those prayers.

"It felt weird to me...I couldn't stay on the page for long."
I felt something similar too.

Hail Satan
Hail the Gods
Hail the Daemons of Elysium

Create your own prayers. Or use the Enochian Keys: