For websites which have not got user ratings, the calculated rating (marked si*) is used.
The rating value is calculated according to the algorithm, which considers all rating indicators.
As soon as number of users ratings reaches defined level, the rating is to be substituted by the users one.

tweets are no longer provided.
It will be deprecated soon. Last actual results are of 2015

PR is no longer provided.
It will be deprecated soon. Last actual results are of May 2016