If Otus seems to run extremely slow when you're building advanced assessments, you may want to check your school site's webfilter/firewall (such as Securly) for potentially blocked URLs.  

Some URLs that MUST be allowed by your firewall include:

  1. cloudfront.net
  2. google-analytics.com
  3. my.otus.com
  4. learnosity.com
  5. https://cdn.fluence.net/
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