Current status: All our ducks are in a row.

What is this site? We monitor the status of coursera.org and our class sites, and we update here whenever there are interruptions in service.

Wednesday, September 23, 2015

Site-wide interruptions

Users are currently reporting issues accessing the site.  We are working to resolve the issue. Thanks for your patience as we investigate.

Update as of 3:40 p.m. PDT: This incident has now been resolved. The site should once again be fully operational. Apologies for the inconvenience!

Friday, September 18, 2015

Courses on the new platform currently inaccessible via Firefox, Internet Explorer, and Safari

Users may experience an infinite loading wheel upon attempting to access some courses through Firefox, Internet Explorer, and Safari browsers. The platform appears to be operational via Chrome. We are currently investigating this issue and hope to fully restore access as soon as possible. Thanks for your patience!

Update: This incident has now been resolved. Apologies for the inconvenience!

Wednesday, August 12, 2015

Preventative maintenance: August 12, 2015

Coursera is offline for preventative maintenance until approximately 5pm Pacific Time.

Update: We have concluded maintenance, and all aspects of the platform should once again be functioning as expected. Thank you for your patience!

Monday, June 8, 2015

Intermittent Outages

Users may experience system errors upon accessing the platform. Our team is aware of the issue and actively working on a fix. Thanks for your patience!

Update as of 2:30 p.m. PDTThis incident has been resolved. All parts of the platform should once again be fully functional.

Wednesday, May 13, 2015

Interruptions on quizzes in session-based courses

Users may experience system errors upon accessing quizzes in all session-based courses (class.coursera.org/SHORTNAME-###). All other services appear to be operating normally. Our team is aware of the issue and actively working on a fix. Thanks for your patience!

Update as of 9:15 a.m. PDT: This incident has been resolved. Quizzes should once again load normally. Apologies for the inconvenience!

Tuesday, May 12, 2015

Archived Classes Maintenance

We are currently performing routine maintenance on some of our older, archived classes. These classes will be unavailable while maintenance is performed. We will update this post once the maintenance is finished. Thank you for your patience.

Tuesday, May 5, 2015

Site-wide Interruptions

Users are currently reporting issues accessing the site.  We are working to resolve the issue. Thanks for your patience as we investigate.

Update as of 9:00 a.m. PDT: This incident has been resolved. All parts of the platform should once again be fully functional. Thank you for your patience!

Saturday, April 25, 2015

Archived Class Maintenance

We are currently performing routine maintenance on some of our older, archived classes. These classes will be unavailable while maintenance is performed. We will update this post once the maintenance is finished. Thank you for your patience.

Update: Maintenance has finished and the classes are accessible again. Thanks again for your patience.

Wednesday, April 15, 2015

Site-wide Interruptions

We are currently experiencing service interruptions across several parts of the platform. Our team is actively working on restoring access. Thanks for your patience!

Update: This incident has been resolved. All parts of the platform should once again be fully functional.

Thursday, April 9, 2015

Interruptions on Coursera homepage and course catalog

Users may experience 500 errors upon accessing the Coursera homepage (https://www.coursera.org/) and our course catalog (https://www.coursera.org/courses). All other services appear to be operating normally. Our team is aware of the issue and actively working on a fix. Thanks for your patience!

Update as of 2:20 p.m. PST: This incident has been resolved. All parts of the platform should once again be fully functional.

Wednesday, April 1, 2015

Site-wide Interruptions

We experienced site-wide service interruptions starting 11:06 a.m. PST. As of 11:26 a.m. PST, this incident has been resolved. All parts of the platform should once again be fully functional. Thank you for your patience!

Wednesday, February 11, 2015

Major site interruptions

We are currently experiencing service interruptions across several parts of the platform, including the course catalog and course description pages. Our team is currently working on restoring access.

Update as of 5:09 p.m. PST: This incident has been resolved. All parts of the platform should once again be fully functional. Thank you for your patience!

Monday, January 26, 2015

2015-01-26: Site-wide Interruptions

Our servers are currently experiencing load issues.  We are actively working to resolve the issue. Thanks for your patience as we investigate!

Incident mitigated: We have resolved the issue and restored access to the site.