How To Add duckduckgo Search engine in WordPress Blog or website
Adding the duckduckgo search engine is very simple process.
(1) Visit this link https://duckduckgo.com/search_box
(2) Fill up the fields as per your requirement.
(3) Copy the code and just paste it into text widget of wordpress .
After this place the text widget in desired place of blog like sidebar,footer etc.If you know some coding because it has iframe code, you can simply paste this code in your script as well.
In WordPress post you can also paste this code. Like this which I did. Below is the screenshot .