Pricing
Status historyRSS updatesStatus API

Powered by Uptimus

    Codehs outage history

    35 recorded Codehs incidents since August 2018, with official updates, affected components, duration and resolution information.

    Back to current status

    JavaScript Output Error

    Started October 5, 2026 at 1:31 PM UTC · 29m

    IssuesMinor incident
    Affected components
    Code Server
    1. October 5, 2026 at 1:31 PM UTCinvestigating

      "Our engineering team is continuing to investigate the issue affecting codehs.com and is working to restore service as quickly as possible. We apologize for the disruption to teaching and learning and will continue to post regular updates here as soon as we know more."

    2. October 5, 2026 at 1:56 PM UTCinvestigating

      We are continuing to investigate this issue.

    3. October 5, 2026 at 1:58 PM UTCinvestigating

      "This incident has been resolved and codehs.com is fully operational. If you are still experiencing issues, try a hard refresh and clearing your browser cache, or reach out to our team at [email protected]."

    4. October 5, 2026 at 2:00 PM UTCresolved

      This incident has been resolved.

    Site Downtime

    Started September 23, 2026 at 3:32 PM UTC · 10m

    IssuesMinor incident
    Affected components
    Code ServerCodeHS LiteMain Website
    1. September 23, 2026 at 3:32 PM UTCmonitoring

      We are aware of an issue affecting codehs.com and some users may see errors or pages failing to load. A fix has been deployed and codehs.com is loading normally again. We are monitoring closely to confirm the issue is fully resolved.

    2. September 23, 2026 at 3:41 PM UTCresolved

      This incident has been resolved and codehs.com is fully operational. If you are still experiencing issues, try a hard refresh and clearing your browser cache, or reach out to our team at [email protected].

    Users Experiencing 503

    Started October 1, 2025 at 4:57 PM UTC · 12m

    OutageMajor incident
    Affected components
    Code ServerCodeHS LiteMain Website
    1. October 1, 2025 at 4:57 PM UTCidentified

      The issue has been identified and a fix is being implemented.

    2. October 1, 2025 at 5:02 PM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. October 1, 2025 at 5:09 PM UTCresolved

      This incident has been resolved.

    504 Errors sitewide

    Started September 29, 2025 at 2:02 PM UTC · 37m

    OutageMajor incident
    Affected components
    Code ServerCodeHS LiteMain Website
    1. September 29, 2025 at 2:02 PM UTCidentified

      The issue has been identified and a fix is being implemented.

    2. September 29, 2025 at 2:03 PM UTCidentified

      We are continuing to work on a fix for this issue.

    3. September 29, 2025 at 2:08 PM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    4. September 29, 2025 at 2:37 PM UTCmonitoring

      We are continuing to monitor for any further issues.

    5. September 29, 2025 at 2:39 PM UTCresolved

      This incident has been resolved.

    Users experiencing 504 errors and page load delays

    Started August 25, 2025 at 2:41 PM UTC · 1d 0h

    IssuesMinor incident
    Affected components
    Main Website
    1. August 25, 2025 at 2:41 PM UTCinvestigating

      We are currently investigating.

    2. August 25, 2025 at 4:38 PM UTCmonitoring

      A fix has been implemented, and we are monitoring the results.

    3. August 26, 2025 at 3:12 PM UTCresolved

      This incident has been resolved and site performance has been stabilized.

    Users Experiencing 500 Errors

    Started March 3, 2025 at 3:44 PM UTC · 11m

    OutageMajor incident
    Affected components
    Main Website
    1. March 3, 2025 at 3:44 PM UTCinvestigating

      We are currently investigating this issue.

    2. March 3, 2025 at 3:55 PM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. March 3, 2025 at 3:55 PM UTCresolved

      This incident has been resolved.

    Site Downtime

    Started January 28, 2025 at 4:30 PM UTC · 0m

    Pending
    1. January 28, 2025 at 9:43 PM UTCresolved

      Teachers and students reporting 500 errors across the CodeHS Site.

    Site downtime

    Started September 5, 2024 at 7:06 PM UTC · 0m

    Pending
    1. September 5, 2024 at 7:06 PM UTCresolved

      Access to site was down for approximately 20 minutes due to a DDOS attack. Service should be restored, and we are investigating the incident.

    Site Downtime

    Started August 28, 2024 at 7:18 PM UTC · 16m

    OutageMajor incident
    Affected components
    Main Website
    1. August 28, 2024 at 7:18 PM UTCinvestigating

      We've identified an issue causing a spike in 500 errors on certain assignment pages and are monitoring the fix.

    2. August 28, 2024 at 7:23 PM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. August 28, 2024 at 7:33 PM UTCresolved

      This incident has been resolved.

    Site Downtime

    Started July 26, 2024 at 2:28 PM UTC · 2m

    OutageMajor incident
    Affected components
    Main Website
    1. July 26, 2024 at 2:28 PM UTCinvestigating

      We've identified an issue causing a spike in 500 errors on certain assignment pages and are monitoring the fix.

    2. July 26, 2024 at 2:30 PM UTCresolved

      This incident has been resolved.

    DNS service downtime

    Started June 16, 2024 at 9:00 PM UTC · 7m

    OutageCritical incident
    Affected components
    Main Website
    1. June 16, 2024 at 9:06 PM UTCinvestigating

      Our DNS provider is experiencing downtime. We're monitoring the situation

    2. June 16, 2024 at 9:13 PM UTCresolved

      This incident has been resolved.

    3. June 16, 2024 at 9:13 PM UTCpostmortem

      Namecheap had downtime which impacted the availability of the [codehs.com](http://codehs.com) domain

    Site Degradation

    Started November 28, 2023 at 5:00 PM UTC · 0m

    Pending
    1. November 28, 2023 at 5:30 PM UTCresolved

      There was site degradation to to a DDOS attack between 11:05am and 11:25am Central time today until it was resolved. Pages were slow to load or would result in a 504 error.

    Issues Connecting To Server in CodeHS Assignments

    Started September 6, 2023 at 4:19 PM UTC · 49m

    IssuesMinor incident
    Affected components
    Code Server
    1. September 6, 2023 at 4:19 PM UTCinvestigating

      We are currently investigating this issue.

    2. September 6, 2023 at 4:23 PM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. September 6, 2023 at 5:08 PM UTCresolved

      This incident has been resolved.

    Site Downtime- 500 Errors

    Started June 7, 2023 at 1:30 PM UTC · 0m

    Pending
    1. June 7, 2023 at 1:56 PM UTCresolved

      We've identified an issue causing a spike in 500 errors when accessing CodeHS pages. This has now subsided and services are now working as expected.

    Site downtime due to database

    Started March 10, 2023 at 4:30 PM UTC · 0m

    Pending
    1. March 10, 2023 at 7:23 PM UTCresolved

      AWS had a bug with the database software. Once their fix was identified, we applied the patch. The site was unreachable for about 20-25 minutes over the course of an hour and a half.

    DDoS Spike

    Started December 8, 2022 at 10:30 PM UTC · 0m

    Pending
    1. December 8, 2022 at 10:57 PM UTCresolved

      DDoS Attack caused system unreliability that was resolved a few minutes later.

    Errors during site updates

    Started December 2, 2022 at 10:48 PM UTC · 16m

    Pending
    Affected components
    Main Website
    1. December 2, 2022 at 10:48 PM UTCmonitoring

      We're monitoring errors happening during a code update.

    2. December 2, 2022 at 11:04 PM UTCresolved

      Resolved

    Student code not saving

    Started May 18, 2022 at 4:07 PM UTC · 15m

    Pending
    Affected components
    Main Website
    1. May 18, 2022 at 4:07 PM UTCidentified

      We're having an issue with some student code not saving. Tell students to make sure to keep their page open until we get a fix, which is coming shortly.

    2. May 18, 2022 at 4:15 PM UTCmonitoring

      Fix has been made and is in the process of being deployed. Saving code will start working again shortly.

    3. May 18, 2022 at 4:22 PM UTCresolved

      Incident resolved. Code saving should be working again

    500 errors

    Started February 8, 2022 at 6:38 PM UTC · 3h 7m

    Pending
    Affected components
    Main Website
    1. February 8, 2022 at 6:38 PM UTCmonitoring

      We've identified an issue causing a spike in 500 errors and are monitoring the fix.

    2. February 8, 2022 at 9:45 PM UTCresolved

      This incident has been resolved.

    DDoS Attack

    Started February 7, 2022 at 5:29 PM UTC · 4h 8m

    OutageMajor incident
    Affected components
    Main Website
    1. February 7, 2022 at 5:29 PM UTCidentified

      We're seeing slowness based on a DDoS attack that we're working to fix.

    2. February 7, 2022 at 5:39 PM UTCmonitoring

      We've resolved the issue and the site is now operation. We're continuing to monitor to prevent further disruption.

    3. February 7, 2022 at 9:37 PM UTCresolved

      This incident has been resolved.