Sorry for answering late. Unfortunately I have only limited time for amazing Bitcoins. I really appreciate your feedback. I fixed the issue with the favicon. I understand that is confusing due to the similarity of the FQDNs. I was just lazy and this favicon seems to be widely used for Bitcoin sites
I'll have a look into the JS issues ASAP. I agree, that it should be usable without Java Script. I do additional server side checking, but I'll have a look if it is possible to post duplicates if JS is disabled.
Yes, an email address is mandatory ATM. I thought it might be a good idea to send the links for removal or editing as not everybody will bookmark the unique links for this tasks. I just don't want to end up with too much old records. But I think I'll give it a try to not make it mandatory. However I like your service and I'll add a FAQ suggesting your email service for people that want to stay anonymous and still want to add their address.