You can find metrics for a specific journal or compare journal metrics for items indexed in Scopus by clicking on the "compare journals" link.
Scopus is a bibliographic database for science, medicine and some social sciences. It covers 15,000 journals from 4,000 publishers worldwide, providing access to over 33 million abstracts going back as far as 1869.
It includes the content from a number of other major databases: Medline (medicine) 1966 - , Embase (medicine) 1970 - , Compendex (engineering) 1970 - , Geobase (geography) 1980 - .