The Eigenfactor™ project was launched in January 2007 to provide the scientific community with "a better method of evaluating the influence of scholarly journals." The Journal Ranking tool provides a web interface through which researchers, librarians, and other interested parties can rank journals by field and track changes in influence over time.
Eigenfactor analyzes five factors—citations, articles, sources, prices and usage. See the Basic, Advanced, and Cost Effectiveness searches:
Drawbacks of the Eigenfactor Journal Rankings include: