On ddg.gg/goodies, some attribution for DDG should be showing Wolfram|Alpha

[Zac Pappis]

https://duckduckgo.com/goodies#Math/factorize_39

there are a lot of these examples where the result is coming from W|A but we show the favicon as the DDG duck.

[Zaahir Moolla]

Seeing as Goodies page and W|A are gone, this can be closed.