They use it for manually added essential content, not just random related articles. Also they may refer to it in the text, for example here it says "You can read our summon here:" - but if the related article doesn't have IV, it won't be shown.
"Never put essential links into <related>, they will be lost if the page they are leading to doesn’t have an IV."
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They use it for manually added essential content, not just random related articles. Also they may refer to it in the text, for example here it says "You can read our summon here:" - but if the related article doesn't have IV, it won't be shown.
"Never put essential links into <related>, they will be lost if the page they are leading to doesn’t have an IV."