Scopus includes:
- CiteScore: Measures average citations received per document published in the journal.
- SCImago Journal Rank (SJR): Measures weighted citations received by the journal. Citation weighting depends on subject field and prestige of the citing journal.
- Source Normalized Impact per Page (SNIP): Measures actual citations received relative to citations expected for the journal’s subject field.
Cabell's Directories includes:
- scite Index: Measures how supported publications from a journal are by looking at the context, dividing supporting cites by supporting cites + contrasting cites. There must be at least 100 cites in the measured time period to receive an SI.
- Altmetrics Snapshot: Includes count of mentions outside of scholarly publications
- Acceptance rate for some journals