How do you Chose Pages For Dropping links ?

Guys What is you criteria for picking best pages when you going to drop links on single domain with lots of pages

Are you scanning whole site with seofrog and scan their PA on that page with SB and drop those link with zero fuck given even that pages isn't related or

finding the most close pages with the topic although those pages has very low metric

i tried creating new pages and write content but it seems almost a year after links dropped my test site isn't budge at all