Outage in zyBooks

3rd party tool (Cloudflare) affecting platform

Resolved Major
November 18, 2025 - Started about 5 hours ago - Lasted 38 minutes
Official incident page

Incident Report

One of the 3rd party tools, Cloudflare, is currently experiencing an outage. You can check their status page here: https://www.cloudflarestatus.com. While this issue persists, our platform may be unresponsive.
Components affected
zyBooks learn.zybooks.com - content and platform zyBooks zyLabs and programming challenge activities - C, C++ , Java, and Python 2/3 zyBooks .com - Home pages

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Latest Updates ( sorted recent to last )
RESOLVED about 4 hours ago - at 11/18/2025 03:01PM

This incident has been resolved.

INVESTIGATING about 5 hours ago - at 11/18/2025 02:28PM

One of the 3rd party tools, Cloudflare, is currently experiencing an outage. You can check their status page here: https://www.cloudflarestatus.com. While this issue persists, our platform may be unresponsive.

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