Hi yinYang4evry1,
Yes Dr. Web hyperlink pre-scanner plug-in is safe. It is only a small install for FF and IE (some 15 K) and Opera. So whatever browser you use. It pre-scans links on the update server at St. Petersburg of Dr. Web's. The update rank is second only to Kaspersky's bi hourly rate, so you have the latest protection.
Its scans thoroughly all packers, all zip or rar files, all downloads,
all html, all script and gives an OK when all is safe. After that you can click the hyperlink with a minimum of risk for you.
I think it is a very innovative service, and as shown above the link scanner works, how else would I know that Leksa's link as he put it there (made safe now by the moderator) had a hyperlink to Trojan.Keylogger.143. I am really not that reckless to really click this link!! Try it yourself, you find the proof of the pudding is in the tasting.
polonus