The most common metric used to evaluate the impact and importance of the journal’s research is Impact Factor.
You can use this information to determine the credibility and reliability of the articles.
For researchers, understanding the journal impact can help you decide which journal to publish your research.
(number of citations in a specific year) / (total number of articles published in the two preceding years)
The 2013 Impact Factor of a journal is calculated by dividing all citations from 2013 with the number of articles published in 2012 and 2011.