Methodology

Rating

The method is public and results can be appealed; you may check a space against our standards yourself — or apply for a formal rating.

Why Rate

Why we do this

Method

Eight dimensions

Coral Stone Levels

How 1—3 stones are awarded

Process

From self-check to review

Ratings and recommendations on this site are reference conclusions drawn from public information and our own data; they do not constitute any official certification or qualification. We are equally candid about this limit: if you find an inaccuracy, please tell us via this site, and it will be corrected once verified.  © 2026 Shanghai Ouyan Network Technology Co., Ltd.