Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Impact Metrics: Product Comparison

Scientometrics, Bibliometrics, Altmetrics

More Guides

Differences between different products

Different databases have access to different resources and so one database on its own may not provide a comprehensive picture of Impact Factor/H-Index. As with any research, it’s a good idea to look in more than one source.

Factor Web of Science Scopus Google Scholar
Number of Journals Least number of journals covered More journals than WoS Widest coverage of journals

Coverage of subject areas

Sciences and social sciences

Sciences. More international journals than WoS

Widest coverage of subjects

Coverage of time



Contains fewer older publications than WoS

Author pages

Individual author pages.

Individual author pages.

Individual author pages if author has created a Google Scholar Citation account.


Academic content

Academic content

Includes some non-academic content as well as preprints

Library Homepage Facebook Youtube Instagram Twitter Telegram E-mail