2025 August 12: OAC's site performance has been stabilized; we are continuing to closely monitor the site.
Please see our status page for more information.
Introducing the new OAC!
Online Archive of California system upgrade - planned for June 2025
Development roadmaps
Your Organization’s Collections in DPLA: Give Us Your Feedback
Calisphere Update: Deploying Our New Harvesting System
Calisphere and OAC web analytics now tracked through Matomo!
Update on Usage Statistics: Testing Matomo as our Next Web Analytics Service
Google Analytics 4 (GA4) investigation and configuration
Introducing a New "Policies" Section in the Contributor Help Center
Calisphere soars past two million digital primary resource items!