Having access to Cliqz' crawler would help reduce that dependence.
To be clear, though, DDG does have a crawler of its own, and has historically used Yandex data as well (though I don't know if they still do). IIRC they also used Yahoo, but now that's basically indistinguishable from Bing.
To be clear, though, DDG does have a crawler of its own, and has historically used Yandex data as well (though I don't know if they still do). IIRC they also used Yahoo, but now that's basically indistinguishable from Bing.