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Troubleshooting Slow Performance Issues

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Tech Compatibility Check

If you are experiencing slow performance while using Edulastic, there are a couple of IT factors that may be causing this.  Please consult with your tech lead to perform a tech compatibility check to verify that the issues below have been considered.

District Firewall

Please add Edulastic and other required URLs in the safe list in your firewall software (iBoss, McAfee, etc.)

*.edulastic.com

*.googleapis.com

*.mathjax.org

*.edgefonts.com

*.edgefonts.net

*s3.amazonaws.com

edulastic.elasticbeanstalk.com

 

Please NOTE: Some URLs have a wildcard "*". You must have the wild card for the URLs when you add to the safelist e.g. Edulastic needs cdn.edulastic.com, math.edulastic.com, etc. to work properly.

Edulastic content is dynamically hosted in the cloud. No static IP addresses or ranges can be provided.

HTTPS Scanning

Do you do any additional https scanning in the firewall software? If yes, can you unblock the above URLs from additional https scans?

Anti-virus / Device Level Security

If you have any device level security or anti-virus software (e.g. GoGuardian, McAfee, etc.), please add the above URLs in the safe list.

Browser Extensions

Some browser extensions are known to interfere with Edulastic app. We recommend removing unnecessary browser extensions from the browser. 

ISP

Some schools and districts have an Education specific consortium providing internet access. In such cases the ISP may have additional checks. Please ask them to unblock the above sites as well.

Compatibility and Speed Test

Lastly please run the compatibility check https://app.edulastic.com/compatibility and speed test and let us know the results.

Contact Support

If you are still having issues, please contact our support team via email:  support@edulastic.com

Here are the questions we will ask:

  1. Have you added Edulastic and all required URLs in the safe list? Please NOTE: you must have a wild card when you add to the safelist as Edulastic needs cdn.edulastic.com, math.edulastic.com, etc. added to the safe list.
  2. What is the firewall software do you use?
  3. Who is the internet service provider? Do they have any extra security policies for school accounts?
  4. Do you have any extra security policies for student accounts?
  5. Do you do any additional https scanning? If yes, can you unblock *.edulastic.com from additional https scans?
  6. Do you use any anti-virus software on the devices? If yes, can you add *.edulastic.com in the safe list?
  7. What is the make, model of the device?
  8. What is the name and version of the browser used to launch Edulastic?
  9. Do you use edulastic in Kiosk mode? Is the slowness encountered only when testing on the Kiosk mode?
  10. Do you encounter slowness in incognito mode?
  11. Are you experiencing slowness across the district or certain specific sites?
  12. Can you run speed test and send us the results? The speed test MUST be run ON the student device WHEN the slowness is encountered

Wireless Network Best Practices

The increase in devices accessing school networks increases the need for stable WiFi networks, daily monitoring, and maintenance. To help network admins stabilize WiFi for online testing and classroom activities, the following best practices are recommended:

Minimizing Impact

You can take steps to minimize the network impact.

Before testing:

  • Disable low end wireless protocols that are not being used.

  • Turn off students’ mobile devices to avoid potential interference during testing. 

Before the Sign in and preparation phase:

  • Ask classrooms to stagger logins to minimize initial loading time.
    For example, in a class of 30 students, the teacher can have 10 students log in each minute, decreasing the strain on the network.

Evaluating Site Readiness

The following information will help you to evaluate and improve your testing readiness.

Conduct a site survey

Evaluate the district’s infrastructure, network design, and WiFi needs to determine how many wireless access points (APs) each school will need.

A site survey should include:

  • Evaluating the existing infrastructure.

  • Counting the number of user devices.

  • Examining the type of user traffic and interference.

Design for density

  1. Install APs more densely to decrease potential for overload with too many student devices. 

  2. Reduce WiFi interference from construction materials. 
    Construction materials in schools can impact WiFi coverage and speed. The following solid materials can slow WiFi speed or completely block wireless signals:

    • Brick, concrete, and metal

    • Filing bookshelves

    • Cabinets

  3. If your WiFi access points have adjustable antennas, point the antenna to aim the signal at the student devices to improve the throughput.
    If possible, move the student devices directly under the AP. Even just couple of feet can make a big difference in throughput and signal strength.

  4. Reduce interference from other WiFi networks.
    When WiFi networks are set to use the same channel, they compete for limited bandwidth. Check for other WiFi names by opening the wireless options on your device for a list of WiFi networks. If you see many networks to choose from, you may encounter interference from these other networks.

  5. Check your AP user guide to find out whether your APs can detect the least congested WiFi channel.

  6. Reduce interference from other devices.
    Electronic devices that are not connected to the school's WiFi network, can still use the same 2.4GHz or 5GHz frequencies to connect. These can include:

    • Cordless phones

    • Bluetooth-enabled devices

    • Student mobile devices

  7. Temporarily turn off or unplug electronics to reduce wireless interference during testing.
    Personal devices communicate on the network, even while inside backpacks or bags. Email and social media notifications require the devices to send requests to maintain connectivity with the AP.

If you previously had channel auto-switching allowed, but notice slow speeds or poor connections, manually configure the channel and perform speed tests to find the fastest channel.


 

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