Hi davidsword,
Thank you for your very good and elaborate e-mail!
Regarding my URLs, the ugly ones look exactly like this:
https://www.landbrugsmaeglerne.dk/ejendomme/?slug=produktionsejendomme&type%5B%5D=708&type%5B%5D=551&type%5B%5D=704&type%5B%5D=705
The system generates the content, by getting images and descriptions from an external system. And yes, they are generated by a custom build system. Exactly how, Im not sure.
I did not quite get the thing about: “.htaccess pretty URL’s”. Meaning I should access htaccess and chnage that, in order to have the ugly URL transformed into SEO friendly ones?
I was affraid taht Yoast couldnt handle this issue.. The only tie my WP has to this external system, is the menu item