Way down on the bottom of the page. "We earn commissions from purchases you make using the retail links in our product reviews". I'm ok with that, but read the FAQs: https://www.autoguide.com/products/faq And they test how?
If you click on the Shop the Best Synthetic Oils Here link:
why i wont click anything from autoguideclickbait title, no actual testing of anything
pros/cons is just reading the label or manufacturers key points
this is par for useless articles nowadays