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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.

About 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 compliant entities and SUSHI Server Registry.

Registry Of Compliance

Latest News


Joseph Greene upcoming at @CONULconf ‘Making Open Access count: Creating standards to measure the use of Open Access resources’

11 hours ago

Release 5: Understanding investigations and requests, read our post:…

13 hours ago

@evidencebase Thanks for this great😀 post. Also very pleased you have cleared up that we are nothing to do with shop counters

3 days ago


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