Impact factor as of 2020 appears upon selection if it is within the record (ca. 10k journals only).
Although there are data, some errors may occur due to the search algorithm and special characters (e.g., comma, period, or dash).
Ajax Journal Abbreviation Search (AJAS) is a free non-commercial tool.
90% of AJAX-related source code is from http://www.brandspankingnew.net
Sinc 2010 Minseok Kwak modified the AJAX code.
Source of abbreviation records: CalTech provided by Thomson Reuters.
Please email your feed-back to minseok(dot)kwak(at)gmail(dot)com.