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Impact Factors

Other Impact Factors

Eigenfactor  A free impact factor website
Search by catagory or journal name.
  • Read the FAQs to find out about what it is, etc.
     EigenfactorScore(EF):
     A measure of the overall value provided by all articles published in a given journal in a year.
     Article Influence™ Score(AI):
     A measure of a journal's prestige based on per article citations and comparable to Impact Factor

Publish or Perish
Software to mine impact information from Google Scholar and Microsoft Academic Search
  • Read What Publish or Perish is for to understand its potential uses
    Requires installing software; both Windows and Mac (through Windows emulators) supported

SJR SCImago Journal Rank
Shows the visibility of the journals contained in Elsevier's Scopus® database from 1996.
  • Understand Tables and Charts
  • Also has Journal Rankings by subject area and category

CWTS Journal Indicators
Developed for Elsevier's Scopus database.
  SNIP (Source Normalized Impact per Paper) and other indicators such as citation potential and Raw Impact per Paper
  Search by journal title or field. (You may need to try different dates until you get results.)
  • Methodology

CiteScore Journal Metrics
Journals covered by Scopus.
Tables give SNIP (Source Normalized Impact per Paper) and SJR (SCImago Journal Rank) metrics from 2007-.
  • About CiteScore

Google Scholar Metrics (defaults to list of top 100 publications by language)
Search for publications by title, compare publications of interest
Gauge the visibility and influence of recent articles in scholarly publications.
  • About Google Scholar Metrics