Answer: Guestbook is the oldest and the most popular way of feedback. You will be able to receive users' reviews about your system and comment on them with the help of “Guestbook” service.
Useful link: uCoz community forum
2. I want all of the new entries to be added at the beginning/end of the book. How to arrange it?
Answer: Login to Control panel by adding /admin to the name of your website. Go to Guestbook -> Module settings -> Display new entries -> select Top/Bottom -> Save.
Useful link: uCoz community forum
3. Are BBcodes available in the Guestbok?
Answer: Yes, they are. In case BBcode panel is missing, when adding the entry, you need to allow BBcodes usage in Control panel -> Users -> User groups -> Set permissions for all groups.
4. How to make it mandatory for users to register at the website before posting a message in the Guestbook?
Answer: The concept of Guestbook doesn't require registration. Although, if you want, you can make Guests register before posting in the Guestbook. All you need is to make the necessary settings in Control panel -> Users -> User groups -> Set permissions for all groups.