I want to know have any rules for link share?
Yes, the following rules should be obeyed upon sharing links here (you should delete these referral codes:
https://archive.fo/jWeb2#selection-635.0-721.65):
4. No referral code (ref link) spam. [1]
5. No link shortners that requires users to view an ad.
6. No linking to phishing or malware, without a warning and a valid reason. [e]
11. No linking to illegal trading sites.