Journal Impact Factor is frequently used as an indicator for the importance of a journal to its field. Eigenfactor and SCImago Journal & Country Rank are free tools for finding the impact of a journal or groups of journals.
To view a journal's impact factor in Web of Science, search the journal title. Click on the arrow beside the journal name link in any given reference. Then, click view journal impact.
The pop-up gives a summary of information from Journal Citation Reports, including the most recent Journal Impact Factor Score and five year average.
