DuckDuckGo have an extension that can be added to the Chrome web browser. Unfortunately, DuckDuckGo released an update on 03/02/2021 which effects the performance of STACK.
Here are the steps to quickly resolve the performance issue:
Click on the extensions icon in the upper right of the Chrome web browser
This will show a list of extensions that are installed on Chrome. Click on the extension for DuckDuckGo.
Click Unprotected Sites
At the bottom of the screen, click Add unprotected site
Type in go.stackct.com and click Add
Lastly, close the Chrome browser and then re-open Chrome. The performance issue will be resolved :)