[[Ditto?parents=`217`&depth=`2`&tpl=`DittoQuotes`&display=`1`&randomize='1'&filter=`isfolder,0`]]
How can I randomise the quote which is displayed?Use backticks

&randomize=`1`
&filter=`isfolder,1,2`

[!Ditto?parents=`217`&depth=`2`&tpl=`DittoQuotes`&display=`1`&randomize=`1`!]
yes. you’re right. just tested it with/on (no grammar knowledge here) a(n) unpublished page. and unpublished pages don’ t care for cache settings.
I also discovered that I needed to call Ditto in uncached mode for it to work again