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Technical Help & Reporting Problems

If something is not working as expected, this guide covers common issues and how to report problems.

Common Issues

Page Not Loading

  • Clear your browser cache and try again. Cached files can sometimes cause display issues after updates.
  • Try a different browser. We support the latest versions of Chrome, Firefox, Safari, and Edge.
  • Disable browser extensions. Ad blockers or privacy extensions can occasionally interfere with the site.
  • Check your internet connection. Try loading another website to confirm connectivity.

Video Content Not Playing

  • Make sure your browser allows third-party content from YouTube (our video player uses embedded YouTube).
  • Disable any extensions that block embedded content.
  • Try disabling hardware acceleration in your browser settings.

Login Problems

  • Forgot password? Use the "Forgot Password" link on the login page.
  • Verification email not arriving? Check spam/junk folders. The email comes from [email protected].
  • Account locked? Wait 15 minutes after 5 failed attempts, then try again.
  • Social login not working? Make sure you are using the same Google or GitHub account you originally signed up with.

Progress Not Saving

  • Make sure you are logged in. Progress is only saved for authenticated users.
  • Check that you see your name/avatar in the top-right corner — this confirms you are logged in.
  • Try refreshing the page. Progress saves automatically but may take a moment to sync.

Reporting a Problem with a Question

If you find a question that has an incorrect answer, unclear wording, or a broken element:

  1. Click the flag icon next to the question.
  2. Select the type of issue: Incorrect Answer, Unclear Wording, Outdated Content, or Other.
  3. Add a brief description of the problem.
  4. Click Submit Report.

Reports are reviewed by our content team. Confirmed issues are typically fixed within 48 hours.

Contacting Support

If none of the above resolves your issue, you can reach us at:

When emailing, please include:

  • A description of the issue
  • The browser and device you are using
  • Screenshots if applicable
  • Your account email (if you have an account)

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