Content with GeoGebra

If you are experiencing lag when loading a Mobius Lesson that contains GeoGebra apps, the lag may be caused by outdated cookies stored by GeoGebra interfering with the loading of the application. This page outlines several troubleshooting options you can try.

1. Clear your web browser’s cookies (recommended)

First, close all browser tabs and ensure you have fully quit the program. Then, reopen the browser.

Some browsers will give you a selection of specific data you want to clear. In addition to clearing Cookies and other site data, you may also want to clear Cached images and files. You can leave other options unchecked.

See the instructions below for several common browsers.

• Firefox: visit how to clear the Firefox cache

• Chrome: visit clear browsing data

• Safari: visit clear your browsing history in Safari

2. Clear GeoGebra data directly (advanced)

If the above didn’t seem to remove the lagging issue with GeoGebra content, you can clear the data stored for GeoGebra directly. We currently have instructions for Chrome. If you are using another browser, please contact mobiushelp@uwaterloo.ca.

Clearing GeoGebra data in Chrome

• First, close all browser tabs and ensure you have fully quit the program. Then, reopen the browser.

• Go to https://www.geogebra.org.

• Click on the three-dot icon and click More tools > Developer Tools.

• Go to the Application tab.

• Click Storage in the left-hand navigation panel.

• Beside the Clear site data button, check including third-party cookies and then click Clear site data.

3. Use a different web browser

We would suggest using one of Firefox, Chrome, or Safari.