A useful affiliate link should take a reader to the product or plan described in the article. Over time, providers can change their URLs and offers.
Make a list of the article’s external links with the product name, link location and date checked. Open each destination and confirm the landing page still matches the surrounding copy. Record affiliate relationships clearly near the relevant recommendation and follow the applicable rules for your audience.
Test any replacement links after saving. If a provider no longer offers the plan discussed, update the paragraph explaining the offer instead of just changing the button. Keep the checks in a record the next editor can read.