ZyBooks incident

3rd party tool (Cloudflare) affecting platform

Resolved after 33 minutes, affecting learn.zybooks.com - zyBooks content and platform and Classic zyLabs and Programming Challenge Activities and 1 more, on November 18, 2025.

investigating Nov 18, 2025, 02:28 PM UTC

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.

Started
Nov 18, 2025, 02:28 PM UTC
Resolved
Nov 18, 2025, 03:01 PM UTC
Duration
33m
Detected by Pingoru
Nov 18, 2025, 02:28 PM UTC

Affected components

learn.zybooks.com - zyBooks content and platformClassic zyLabs and Programming Challenge ActivitiesAdvanced zyLabs SystemExams assessment systemzyBooks.com - Home pages

Update timeline

  1. investigating Nov 18, 2025, 02:28 PM UTC

    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.

  2. resolved Nov 18, 2025, 03:01 PM UTC

    This incident has been resolved.

Your product runs on more than ZyBooks

Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.

Add your stack →