Impact factor - Wikipedia
https://en.wikipedia.org/wiki/Impact_factorThe impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science. As a journal-level metric, it is frequently used as a proxyfor the relative importance of a journal within its field; journals with higher impact factor values are given status of being more important, or carry more prestige in t…
Journal Impact Factor
https://impactfactorforjournal.comJournal Impact Factor List 2021. Here is the latest Impact Factor List of 2021 provided by the Journal Citation Report (JCR). It contains over 12000 Journals. JCR was earlier published as Science Citation Index, and now it is published by Clarivate Analytics, a Web of Science Group. Impact Factor Calculations