It is based on the idea that 'all citations are not created equal'. The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'.
SCImago Journal Rank (SJR) 2019: N/A ℹ SCImago Journal Rank (SJR): CiteScore is the number of citations received by a journal in one year to documents published in the three previous years, divided by the number of documents indexed in Scopus published in those same three years.
