The format shows citation velocity, journal integrity, and combined journal integrity factors.
The IJS leaderboard reports the elite tier for a specific research category as the True Impact Function™ (TIF), together with its Journal Integrity Score™ (JIS), and Σ JIS, so that scholars can note both how quickly work is being cited and to what degree of friction or fairness accompanies publication in that venue. The JIS code indicates favorable/unfavorable conditions to authors (1/0) for Retractions, Formatting, Limits, Forms, Speed, Copyright, Cost. See Methodology for info.
Index year = 2024 | Analysis dates = April 7, 11 and 13, 2026 | Source = Harzing's Publish or Perish polling OpenAlex
True Impact Function™ (TIF) and Journal Integrity Score™ (JIS) are proprietary analytical frameworks developed by Ignatius Journal Services.