mmm I don't know reasons for others remove captcha. but I will remove it too. I know it prevent spam or robots - only iF you're attacked you got to remove the entries ¬¬) manually ... uuuuf..... but at least I don't need it, the admin can remove or edit posts. and to me is faster without captcha.
iF I post a redirect link or code, it means can I post HTML code to redir?? do i need disable HTML code in the guestbook? or can I use the Censor Words?? adding in the line "<a href " for example....... or maybe can I add a line to prevent it in the Censor Word feature?