“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Medicine26Agricultural and Biological Sciences24Immunology and Microbiology10Biochemistry, Genetics and Molecular Biology9Science: Chemistry: Organic chemistry: Biochemistry1Technology: Chemical technology: Biotechnology1