why do links get dropped

[marksmith112]

Dropped are links from pages that were removed from our index due to various reasons. These include: Page duplicates: We crawled a "better" page with the same content. Disallowed: The page was disallowed by robots.

[Lishmalinyjames]

Lost Links. Another reason your search ranking and traffic might have dropped is that you've lost links. Check your site for lost links over the last 90 days using a tool (e.g., Majestic, Ahrefs, CognitiveSEO). If you've lost a lot of links, this might be the reason for your drop in rankings.