bawldiggle
Turning custom setting OFF is just half the process
The "Save and Exit" button/control at the very bottom of the settings list will add a settings cookie to your browser.
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If you are using Palemoon browser:
Cookies from DDG can be protected (almost) against deleting cookies on session end, by adding https://duckduckgo.com/ to "Exceptions"
(This will not preserve the DDG cookie if "Clear all cookies" is used, "Clear all cookies" does exactly what it says ... !

Otherwise x.15a2's post gives some other preserve settings methods :)
posted by bawldiggle 1 year and 9 months ago Link

x.15a2
Or, just use https:///start.duckduckgo.com and there's nothing to save, configure, etc.
posted by x.15a2 Community Leader1 year and 9 months ago Link