An SEO question that gets more important the bigger your site gets: how do you handle internal linking on a tube with tens of thousands of pages? internal links spread authority, help crawl discovery, and guide users, but at scale you cannot hand-link everything, so people lean on automated related-videos, tag pages, and category structure. the risk is that fully automated internal linking creates thin, repetitive link patterns that dilute rather than concentrate authority, while pure manual linking does not scale past a few hundred pages. so how do people actually handle internal linking on a large tube, where does automation help versus where does it create noise, and how do you make sure your best pages actually get the internal authority instead of it being spread evenly across everything including the pages that do not matter?
spreading internal links evenly treats a page that’ll never rank the same as one that actually could. internal links are a finite signal, so don’t let automation smear them uniformly across every thin page. point them deliberately at your money pages and category hubs.
the risk with related-videos-everywhere is that when every page links the same automated block, the pattern carries almost no signal and can look manipulative. so drive the automation off real relevance, same tag, same performer, genuine similarity, not a fixed template. otherwise it is just noise on every page.
the way you do this at scale is a strong category and hub structure. good hubs gather authority from the many thin pages under them and funnel it to the pages that matter, without you hand-linking each one. manual linking falls apart past a few hundred pages, so hub design is how the concentration actually scales.
you end up hybrid because of a real constraint: manual linking is where the judgment lives but it doesn’t scale, and pure automation scales but has no judgment. so automation handles the bulk and you hand-curate the pages that matter most. money pages get deliberate links, the long tail gets relevant automation.
internal linking at scale fails when you let the cms link everything to everything by tag, equity spreads so thin it means nothing. the fix is boring editorial control, point more links at the pages you actually want to rank and fewer at the thin ones. hierarchy, not a flat mesh.