@Pashiamas I've mounted the error and now support the $vals variable (which you might want to rename to $urls or $selectedUrlList or some thing like that, due to the fact $vals does not definitely describe what It really is for). Backlink insertions are a standard website link building tactic https://case-study-helper20392.ampedpages.com/the-smart-trick-of-online-case-solution-that-nobody-is-discussing-64539576