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Internal Links Are Designed, Not Added Ad Hoc

IN ONE SENTENCE
Internal links solve two things at once: reachability from any entry point, and expressing how concepts relate.
Internal links do two things: let a crawler reach every page from any entry point, and express relationships between concepts. The first is reachability, the second is semantics, and a sitemap substitutes for neither.
OUR POSITION
Declaring pages in a sitemap is not enough. A sitemap is an inventory; links are the paths. A page that exists only in the inventory, with nothing linking to it, gets lower authority and lower crawl priority.
Two rules you can act on
At least one same-category exit and one cross-category exit per page. The first keeps the reader inside the subject; the second expresses how subjects relate.
Write anchor text as the target page's actual subject, not 'click here' or 'learn more'. Anchor text is itself a relationship signal.
One self-check
List every page, subtract those linked from at least one other page — what remains are orphans, reachable only from the sitemap and crawled at lower priority.
Then check the reverse: are there pages whose only entry point is a single other page? A single entry means one problem there cuts off the whole section.
Relationship to content clusters
The cluster is the unit of link design: the hub links to every detail page, and detail pages link to each other and back to the hub.
Keep cross-cluster links few and deliberate — each one asserts that two subjects are related, and overuse makes that assertion meaningless.
Sources
- [1]Optimizing your website for generative AI features on Google Search.Google Search Central.2026-05-15
Updated 2026-08-10