I recently changed the search engine of this blog to duckduckgo. I thought it would be a good idea, cause duckduckgo promise not to be the omnipresent data collector. If we could believe them…. I think it does not matter if we believe them or not. We can simply choose between a) we know they collect and b) the promise not to collect. What is the worst case for b)? They collect and lie to us. So worst case for b) is, it is equal to a). I personally would go for b) then.
Therefore I change my _config.yml file the following way:

1

simple_search: https://duckduckgo.com/

After newly generating the content it simple works.