The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.

© Clarivate Analytics, Journal Citation Reports 2022

CiteScore measures average citations received per document published.

SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact.

SNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.