Journal Citation Reports (JCR) is a produced by Thomson Reuters and can be accessed either by a direct link to the database from Search Tools or from within the Web of Science interface.
Journal Citation Reports has a long history of analyzing, comparing and ranking journals in specific disciplines. JCR is a trusted source for finding journal ranking but it does not cover all journals.
Definitions of measurements used by JCR:
Use the link below to see a list of all video tutorials about Journal Citation Reports developed by Web of Science.