As a search engine I use Startpage. By default, results are opened in a new tab/window, whereas I prefer to open results in the same tab.
This setting can be changed by saving a preference cookie, but I delete cookies too often for that to be feasible. Reaching out to the good folks behind Startpage I got an answer. A preference parameter can be included in the URL:
Replacing the trailing “1” with a “0” opens results in new window.
To make Startpage the default search engine in Chrome we need an extra
query parameter, but otherwise it’s pretty much the same as above:
Go to “Manage search engines” in “Settings”.
Startpage is probably available with the default settings.
When it is selected, edit the URL and change it to