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COUNTER provides the standard that enables the knowledge community to count the use of electronic resources.

Known as the Code of Practice, the standard ensures vendors and publishers can provide their library customers with consistent, credible and comparable usage data.

Release 5 Queries COP Register Members Guides Members

For member libraries

For academic libraries, COUNTER ensures reliable and audited usage data for journals, e-books, databases and multimedia resources.


For member publishers & vendors

For publishers and vendors, COUNTER provides a Code of Practice, to ensure that their library customers receive reliable and consistent usage data.

Publishers & Vendors

Compliant publishers & vendors

View a list of COUNTER Release 4 compliant entities and SUSHI Server Registry.

Registry Of Compliance

Latest News


For those unable to attend the TLA 2019 conference and hear @oppesch discuss Release 5 - his slides are available h……

3 days ago

@jenniferlin15 @aarontay @CrossrefOrg Thanks for providing this clarification.

3 days ago

@wolfrestonward Very often clothes were pinned together rather than sewn. For example sleeves, so they could be tak……

4 days ago


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