Here is the last incident report from Instructure:
Resolved – A fix has been deployed for the slowness and errors users have been seeing today. Canvas is loading normally once again. We’re sorry for any trouble you may have experienced with this issue today.
Sep 12, 16:32 MDT
2nd Update – “Update – Some institutions may be seeing prolonged periods of slowness and timeout errors. Our DevOps team continues their work on a fix, though it may still take some time for that fix to be complete. We will let you know once we have more information.
Sep 12, 14:29 MDT”
“Identified – Canvas users in the U.S. may be experiencing scattered intermittent slowness and timeout errors. These issues are happening for short periods of time across various accounts. Our DevOps team has identified the cause and is working on a fix. We’ll post an update as soon as it is available.
Sep 12, 11:20 MDT”