SJR (SCImago Journal & Country Rank) is a publicly available portal that includes the journals and country scientific indicators
developed from the information contained in the Scopus database (Elsevier B.V.).
These indicators can be used to assess and analyze scientific domains.
The SJCR allows you also to embed significative journal metrics into your web as a clickable image widget This platform takes its name from the SCImago Journal Rank (SJR) indicator, developed by SCImago from the widely known algorithm Google PageRank™.
This indicator shows the visibility of the journals contained in the Scopus® database from 1996.
JCR (impact factor) is a unique database of web of science, which is used to determine the relative importance of journals within their subject categories.
An impact factor is one measure of the quality of a journal. This is calculated by the number of citations received by the journal,
from other journals within the Web of Science database.