SEARCH ANY JOURNAL via ISSN/TITLE/KEYWORDS
2016/2017 Journal Impact Factor List Arranged by Keywords or Abbreviation or ISSN of a journal
Journal Impact Factor (IF) is a measure reflecting the average number of citations to articles published in science and social science journals. It is frequently used as a proxy for the relative importance of a journal within its field, with journals with higher impact factors deemed to be more important than those with lower ones. via Wikipedia.
Here you can check the impact factor of indexed journals for 8+ years, also you can check h-index and SJR impact factor of journals.